diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/data/DataUtilities.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/data/DataUtilities.java
index 1a37feab..880fc2b4 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/data/DataUtilities.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/data/DataUtilities.java
@@ -1,42 +1,42 @@
 package org.badvision.outlaweditor.data;
 
+import java.util.List;
 import org.badvision.outlaweditor.Application;
 import org.badvision.outlaweditor.data.xml.Global;
-import org.badvision.outlaweditor.data.xml.Scripts;
-import org.badvision.outlaweditor.data.xml.Variables;
+import org.badvision.outlaweditor.data.xml.NamedEntity;
 
 public class DataUtilities {
-    public static void sortScripts(Scripts s) {
-        if (s == null || s.getScript() == null) {
-            return;
-        }
-        s.getScript().sort((a, b) -> {
-            if (a.getName().equalsIgnoreCase("init")) {
-                return -1;
-            } else if (b.getName().equalsIgnoreCase("init")) {
-                return 1;
-            }
-            return a.getName().compareTo(b.getName());
-        });
-    }    
-
     public static void ensureGlobalExists() {
         if (Application.gameData.getGlobal() == null) {
             Application.gameData.setGlobal(new Global());
         }
     }
 
-    public static void sortVariables(Variables vars) {
-        if (vars == null || vars.getVariable()== null) {
+    public static void sortNamedEntities(List<? extends NamedEntity> entities) {
+        if (entities == null) {
             return;
         }
-        vars.getVariable().sort((a, b) -> {
-            if (a.getName().equalsIgnoreCase("init")) {
-                return -1;
-            } else if (b.getName().equalsIgnoreCase("init")) {
-                return 1;
-            }
-            return a.getName().compareTo(b.getName());
+        entities.sort((a,b)->{
+            String nameA = a == null ? "" : nullSafe(a.getName());
+            String nameB = b == null ? "" : nullSafe(b.getName());
+            if (nameA.equalsIgnoreCase("init")) return -1;
+            if (nameB.equalsIgnoreCase("init")) return 1;
+            return nameA.compareTo(nameB);
         });
     }
+    
+    public static String nullSafe(String str) {
+        if (str == null) return "";
+        return str;
+    }
+    
+    public static String uppercaseFirst(String str) {
+        StringBuilder b = new StringBuilder(str);
+        int i = 0;
+        do {
+            b.replace(i, i + 1, b.substring(i, i + 1).toUpperCase());
+            i = b.indexOf(" ", i) + 1;
+        } while (i > 0 && i < b.length());
+        return b.toString();
+    }    
 }
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/GlobalEditorTabController.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/GlobalEditorTabController.java
index c7709abc..a94a84f8 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/GlobalEditorTabController.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/GlobalEditorTabController.java
@@ -32,7 +32,7 @@ public abstract class GlobalEditorTabController {
     @FXML
     abstract protected void onDataTypeDeletePressed(ActionEvent event);
     @FXML
-    abstract protected void onDeleteClonePressed(ActionEvent event);
+    abstract protected void onDataTypeClonePressed(ActionEvent event);
     @FXML
     abstract protected void onVariableAddPressed(ActionEvent event);
     @FXML
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/ModalEditor.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/ModalEditor.java
index 5d58d5ff..141c07f6 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/ModalEditor.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/ModalEditor.java
@@ -1,28 +1,39 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
 package org.badvision.outlaweditor.ui;
 
+import com.sun.glass.ui.Application;
 import java.beans.BeanInfo;
 import java.beans.IntrospectionException;
 import java.beans.Introspector;
 import java.beans.PropertyDescriptor;
 import java.lang.reflect.InvocationTargetException;
+import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import javafx.application.Platform;
+import javafx.beans.property.adapter.JavaBeanStringPropertyBuilder;
+import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.geometry.Insets;
+import javafx.scene.Node;
+import javafx.scene.control.Button;
 import javafx.scene.control.ButtonType;
 import javafx.scene.control.Control;
 import javafx.scene.control.Dialog;
 import javafx.scene.control.Label;
+import javafx.scene.control.TableCell;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
 import javafx.scene.control.TextField;
 import javafx.scene.layout.GridPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.VBox;
+import javafx.util.Callback;
+import static org.badvision.outlaweditor.data.DataUtilities.uppercaseFirst;
 
 /**
  *
@@ -32,7 +43,7 @@ public class ModalEditor {
 
     public static interface EditControl<V> {
 
-        public Control getControl();
+        public Node getControl();
 
         public V getValue();
 
@@ -59,6 +70,86 @@ public class ModalEditor {
         }
     }
 
+    static class TableControl<T, S> implements EditControl<List<T>> {
+
+        Map<String, Callback<TableColumn<T, S>, TableCell<T, S>>> cols;
+        Class<T> rowType;
+        ObservableList<T> rows;
+        TableView<T> table;
+        VBox control;
+
+        public TableControl(Map<String, Callback<TableColumn<T, S>, TableCell<T, S>>> cols, Class<T> rowType) {
+            this.cols = cols;
+            this.rowType = rowType;
+            rows = FXCollections.observableArrayList();
+
+            table = new TableView(rows);
+            cols.forEach((String colName, Callback<TableColumn<T, S>, TableCell<T, S>> factory) -> {
+                TableColumn<T, S> col = new TableColumn<>(uppercaseFirst(colName));
+                col.setCellValueFactory((TableColumn.CellDataFeatures<T, S> param) -> {
+                    try {
+                        return (ObservableValue<S>) new JavaBeanStringPropertyBuilder().bean(param.getValue()).name(colName).build();
+                    } catch (NoSuchMethodException ex) {
+                        Logger.getLogger(ModalEditor.class.getName()).log(Level.SEVERE, null, ex);
+                        throw new RuntimeException(ex);
+                    }
+                });
+                col.setCellFactory(factory);
+                col.setPrefWidth(150);
+                table.getColumns().add(col);
+            });
+            table.setPlaceholder(new Label("Click + to add one or more attributes"));
+            table.setEditable(true);
+            table.setPrefWidth(cols.size() * 150 + 5);
+
+            Button addButton = new Button("+");
+            addButton.setOnAction((event) -> {
+                try {
+                    rows.add(rowType.newInstance());
+                    Application.invokeLater(() -> {
+                        try {
+                            Thread.sleep(100);
+                        } catch (InterruptedException ex) {
+                            Logger.getLogger(ModalEditor.class.getName()).log(Level.SEVERE, null, ex);
+                        }
+                        table.edit(rows.size() - 1, table.getColumns().get(0));                        
+                    });
+                } catch (InstantiationException | IllegalAccessException ex) {
+                    Logger.getLogger(ModalEditor.class.getName()).log(Level.SEVERE, null, ex);
+                }
+            });
+            Button removeButton = new Button("-");
+            removeButton.setOnAction((event) -> {
+                rows.removeAll(table.getSelectionModel().getSelectedItems());
+            });
+            addButton.setPrefWidth(25);
+            removeButton.setPrefWidth(25);
+            control = new VBox(
+                    table,
+                    new HBox(
+                            10,
+                            addButton,
+                            removeButton
+                    )
+            );
+        }
+
+        @Override
+        public Node getControl() {
+            return control;
+        }
+
+        @Override
+        public List<T> getValue() {
+            return rows;
+        }
+
+        @Override
+        public void setValue(List<T> value) {
+            rows.setAll(value);
+        }
+    }
+
     public PropertyDescriptor getPropertyDescriptor(PropertyDescriptor[] descriptors, String propertyName) {
         for (PropertyDescriptor descriptor : descriptors) {
             if (descriptor.getName().equalsIgnoreCase(propertyName)) {
@@ -81,7 +172,7 @@ public class ModalEditor {
         GridPane grid = new GridPane();
         grid.setHgap(10);
         grid.setVgap(10);
-        grid.setPadding(new Insets(20, 150, 10, 10));
+        grid.setPadding(new Insets(20, 50, 10, 10));
 
         final AtomicInteger row = new AtomicInteger(0);
         obj.forEach((String property, EditControl control) -> {
@@ -105,9 +196,18 @@ public class ModalEditor {
                 obj.forEach((String property, EditControl control) -> {
                     PropertyDescriptor descriptor = getPropertyDescriptor(info.getPropertyDescriptors(), property);
                     try {
-                        descriptor.getWriteMethod().invoke(sourceObject, control.getValue());
-                    } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
-                        Logger.getLogger(ModalEditor.class.getName()).log(Level.SEVERE, null, ex);
+                        if (descriptor.getWriteMethod() != null) {
+                            descriptor.getWriteMethod().invoke(sourceObject, control.getValue());
+                        } else {
+                            Object val = descriptor.getReadMethod().invoke(sourceObject);
+                            if (val instanceof List) {
+                                List sourceList = (List) val;
+                                sourceList.clear();
+                                sourceList.addAll((Collection) control.getValue());
+                            }
+                        }
+                    } catch (NullPointerException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
+                        Logger.getLogger(ModalEditor.class.getName()).log(Level.SEVERE, "Error updating property " + property, ex);
                     }
                 });
                 return sourceObject;
@@ -117,14 +217,4 @@ public class ModalEditor {
 
         return dialog.showAndWait();
     }
-
-    private String uppercaseFirst(String str) {
-        StringBuilder b = new StringBuilder(str);
-        int i = 0;
-        do {
-            b.replace(i, i + 1, b.substring(i, i + 1).toUpperCase());
-            i = b.indexOf(" ", i) + 1;
-        } while (i > 0 && i < b.length());
-        return b.toString();
-    }
 }
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/UIAction.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/UIAction.java
index c0715048..3c97f2cf 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/UIAction.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/UIAction.java
@@ -29,6 +29,10 @@ import javafx.scene.control.Button;
 import javafx.scene.control.Menu;
 import javafx.scene.control.MenuBar;
 import javafx.scene.control.MenuItem;
+import javafx.scene.control.TableCell;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.cell.ComboBoxTableCell;
+import javafx.scene.control.cell.TextFieldTableCell;
 import javafx.scene.effect.BlurType;
 import javafx.scene.effect.DropShadow;
 import javafx.scene.image.Image;
@@ -50,6 +54,7 @@ import javafx.stage.Modality;
 import javafx.stage.Stage;
 import javafx.util.Callback;
 import javafx.util.Duration;
+import javafx.util.converter.DefaultStringConverter;
 import javax.xml.bind.JAXB;
 import org.badvision.outlaweditor.Application;
 import static org.badvision.outlaweditor.Application.currentPlatform;
@@ -64,6 +69,7 @@ import org.badvision.outlaweditor.data.xml.Global;
 import org.badvision.outlaweditor.data.xml.Scope;
 import org.badvision.outlaweditor.data.xml.Script;
 import org.badvision.outlaweditor.data.xml.Tile;
+import org.badvision.outlaweditor.data.xml.UserType;
 import org.badvision.outlaweditor.data.xml.Variable;
 import org.badvision.outlaweditor.data.xml.Variables;
 import org.badvision.outlaweditor.ui.impl.ImageConversionWizardController;
@@ -203,7 +209,7 @@ public class UIAction {
     public static void confirm(String message, Runnable yes, Runnable no) {
         choose(message, new Choice("Yes", yes), new Choice("No", no));
     }
-    
+
     public static void alert(String message) {
         choose(message, new Choice("Ok", null));
     }
@@ -247,7 +253,7 @@ public class UIAction {
         editor.show();
         return script;
     }
-    
+
     public static void createAndEditVariable(Scope scope) throws IntrospectionException {
         Variable newVariable = new Variable();
         newVariable.setName("changeme");
@@ -261,7 +267,7 @@ public class UIAction {
             scope.getVariables().getVariable().add(var.get());
         }
     }
-    
+
     public static void editVariable(Variable var, Global global) {
         try {
             editAndGetVariable(var);
@@ -277,9 +283,55 @@ public class UIAction {
         controls.put("name", new ModalEditor.TextControl());
         controls.put("type", new ModalEditor.TextControl());
         controls.put("comment", new ModalEditor.TextControl());
-        
+
         return editor.editObject(v, controls, Variable.class, "Variable", "Edit and press OK, or Cancel to abort");
-    }    
+    }
+
+    public static void createAndEditUserType() throws IntrospectionException {
+        UserType type = new UserType();
+        if (editAndGetUserType(type).isPresent()) {
+            if (Application.gameData.getGlobal().getUserTypes() == null) {
+                Application.gameData.getGlobal().setUserTypes(new Global.UserTypes());
+            }
+            Application.gameData.getGlobal().getUserTypes().getUserType().add(type);
+        }
+    }
+
+    public static void editUserType(UserType type) {
+        try {
+            editAndGetUserType(type);
+        } catch (IntrospectionException ex) {
+            Logger.getLogger(UIAction.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+
+    public static Optional<UserType> editAndGetUserType(UserType type) throws IntrospectionException {
+        ModalEditor editor = new ModalEditor();
+        Map<String, ModalEditor.EditControl> controls = new LinkedHashMap<>();
+
+        Map<String, Callback<TableColumn<
+                Variable, String>, TableCell<Variable, String>>> attributeControls = new LinkedHashMap<>();
+
+        attributeControls.put("name", TextFieldTableCell.<Variable, String>forTableColumn(new DefaultStringConverter() {
+            @Override
+            public String toString(String value) {
+                return value == null ? "Change Me" : value;
+            }
+        }));
+        attributeControls.put("type", ComboBoxTableCell.<Variable, String>forTableColumn(new DefaultStringConverter() {
+            @Override
+            public String toString(String value) {
+                return value == null ? "String" : value;
+            }            
+        }, "String","Boolean","Number"));
+        attributeControls.put("comment", TextFieldTableCell.<Variable, String>forTableColumn(new DefaultStringConverter()));
+
+        controls.put("name", new ModalEditor.TextControl());
+        controls.put("attribute", new ModalEditor.TableControl(attributeControls, Variable.class));
+        controls.put("comment", new ModalEditor.TextControl());
+
+        return editor.editObject(type, controls, UserType.class, "User Type", "Edit and press OK, or Cancel to abort");
+    }
 
     public static ImageConversionWizardController openImageConversionModal(Image image, ImageDitherEngine ditherEngine, int targetWidth, int targetHeight, ImageConversionPostAction postAction) {
         FXMLLoader fxmlLoader = new FXMLLoader(UIAction.class.getResource("/imageConversionWizard.fxml"));
@@ -305,7 +357,7 @@ public class UIAction {
     public static final int MAX_TILES_PER_ROW = 16;
     public static AnchorPane currentTileSelector;
 
-    public static void showTileSelectModal(Pane anchorPane, String category, Callback<Tile,?> callback) {
+    public static void showTileSelectModal(Pane anchorPane, String category, Callback<Tile, ?> callback) {
         if (currentTileSelector != null) {
             return;
         }
@@ -359,19 +411,19 @@ public class UIAction {
                                 new Color(0.7, 0.7, 0.9, 0.75),
                                 new CornerRadii(10.0),
                                 null)));
-        currentTileSelector.setEffect(new DropShadow(5.0, 1.0, 1.0, Color.BLACK));        
+        currentTileSelector.setEffect(new DropShadow(5.0, 1.0, 1.0, Color.BLACK));
         anchorPane.getChildren().add(currentTileSelector);
         Application.getPrimaryStage().getScene().addEventHandler(KeyEvent.KEY_PRESSED, cancelTileSelectKeyHandler);
         Application.getPrimaryStage().getScene().addEventFilter(MouseEvent.MOUSE_PRESSED, cancelTileSelectMouseHandler);
     }
 
     private static final EventHandler<MouseEvent> cancelTileSelectMouseHandler = (MouseEvent e) -> {
-        if (! (e.getSource() instanceof ImageView)) {
+        if (!(e.getSource() instanceof ImageView)) {
             e.consume();
         }
         closeCurrentTileSelector();
     };
-    
+
     private static final EventHandler<KeyEvent> cancelTileSelectKeyHandler = (KeyEvent e) -> {
         if (e.getCode() == KeyCode.ESCAPE) {
             closeCurrentTileSelector();
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/ApplicationUIControllerImpl.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/ApplicationUIControllerImpl.java
index f8449090..5d833b6a 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/ApplicationUIControllerImpl.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/ApplicationUIControllerImpl.java
@@ -55,6 +55,8 @@ public class ApplicationUIControllerImpl extends ApplicationUIController {
         rebuildImageSelectors();
         rebuildMapSelectors();
         rebuildTileSelectors();
+        globalController.redrawGlobalDataTypes();
+        globalController.redrawGlobalVariables();
         redrawScripts();
     }
 
@@ -66,11 +68,8 @@ public class ApplicationUIControllerImpl extends ApplicationUIController {
 
     @Override
     public void redrawScripts() {
-        if (currentTab == TABS.map) {
-            mapController.redrawMapScripts();
-        } else {
-            globalController.redrawGlobalScripts();
-        }
+        mapController.redrawMapScripts();
+        globalController.redrawGlobalScripts();
     }
 
     @Override
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/GlobalEditorTabControllerImpl.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/GlobalEditorTabControllerImpl.java
index 5c94b184..1dbef10c 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/GlobalEditorTabControllerImpl.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/GlobalEditorTabControllerImpl.java
@@ -16,6 +16,7 @@ import org.badvision.outlaweditor.Application;
 import org.badvision.outlaweditor.TransferHelper;
 import org.badvision.outlaweditor.data.DataUtilities;
 import org.badvision.outlaweditor.data.xml.Script;
+import org.badvision.outlaweditor.data.xml.UserType;
 import org.badvision.outlaweditor.data.xml.Variable;
 import org.badvision.outlaweditor.ui.GlobalEditorTabController;
 import org.badvision.outlaweditor.ui.UIAction;
@@ -26,9 +27,75 @@ public class GlobalEditorTabControllerImpl extends GlobalEditorTabController {
     @Override
     public void initialize() {
         super.initialize();
+        variableList.setOnEditStart((ListView.EditEvent<Variable> event) -> {
+            UIAction.editVariable(event.getSource().getItems().get(event.getIndex()), Application.gameData.getGlobal());
+            variableList.getSelectionModel().clearSelection();
+        });
+        variableList.setCellFactory(new Callback<ListView<Variable>, ListCell<Variable>>() {
+            @Override
+            public ListCell<Variable> call(ListView<Variable> param) {
+                final ListCell<Variable> cell = new ListCell<Variable>() {
+                    @Override
+                    protected void updateItem(Variable item, boolean empty) {
+                        super.updateItem(item, empty);
+                        if (empty || item == null) {
+                            setText("");
+                        } else {
+                            setText(item.getName());
+                            if (item.getComment() != null && !(item.getComment().isEmpty())) {
+                                setTooltip(new Tooltip(item.getComment()));
+                            }
+                            setFont(Font.font(null, FontWeight.BOLD, 12.0));
+                        }
+                    }
+                };
+                return cell;
+            }
+        });
+        globalScriptList.setOnEditStart((ListView.EditEvent<Script> event) -> {
+            UIAction.editScript(event.getSource().getItems().get(event.getIndex()), Application.gameData.getGlobal());
+            globalScriptList.getSelectionModel().clearSelection();
+        });
+        globalScriptList.setCellFactory(new Callback<ListView<Script>, ListCell<Script>>() {
+            @Override
+            public ListCell<Script> call(ListView<Script> param) {
+                final ListCell<Script> cell = new ListCell<Script>() {
+
+                    @Override
+                    protected void updateItem(Script item, boolean empty) {
+                        super.updateItem(item, empty);
+                        if (empty || item == null) {
+                            setText("");
+                        } else {
+                            setText(item.getName());
+                            setFont(Font.font(null, FontWeight.BOLD, 12.0));
+                        }
+                    }
+                };
+                return cell;
+            }
+        });
+        dataTypeList.setOnEditStart((ListView.EditEvent<UserType> event) -> {
+            UIAction.editUserType(event.getSource().getItems().get(event.getIndex()));
+            dataTypeList.getSelectionModel().clearSelection();
+        });
+        dataTypeList.setCellFactory((listView) -> new ListCell<UserType>() {
+            @Override
+            protected void updateItem(UserType item, boolean empty) {
+                super.updateItem(item, empty);
+                if (empty || item == null) {
+                    setText("");
+                } else {
+                    setText(item.getName());
+                    if (item.getComment() != null && !(item.getComment().isEmpty())) {
+                        setTooltip(new Tooltip(item.getComment()));
+                    }
+                    setFont(Font.font(null, FontWeight.BOLD, 12.0));
+                }
+            }
+        });
     }
 
-    
     @Override
     protected void onScriptAddPressed(ActionEvent event) {
         UIAction.createAndEditScript(Application.gameData.getGlobal());
@@ -70,14 +137,31 @@ public class GlobalEditorTabControllerImpl extends GlobalEditorTabController {
 
     @Override
     protected void onDataTypeAddPressed(ActionEvent event) {
+        try {
+            UIAction.createAndEditUserType();
+            redrawGlobalDataTypes();
+        } catch (IntrospectionException ex) {
+            Logger.getLogger(GlobalEditorTabControllerImpl.class.getName()).log(Level.SEVERE, null, ex);
+        }
     }
 
     @Override
     protected void onDataTypeDeletePressed(ActionEvent event) {
+        UserType type = dataTypeList.getSelectionModel().getSelectedItem();
+        if (type != null) {
+            UIAction.confirm(
+                    "Are you sure you want to delete the user-defined type "
+                    + type.getName()
+                    + "?  There is no undo for this!",
+                    () -> {
+                        Application.gameData.getGlobal().getUserTypes().getUserType().remove(type);
+                        redrawGlobalDataTypes();
+                    }, null);
+        }
     }
 
     @Override
-    protected void onDeleteClonePressed(ActionEvent event) {
+    protected void onDataTypeClonePressed(ActionEvent event) {
     }
 
     @Override
@@ -132,30 +216,8 @@ public class GlobalEditorTabControllerImpl extends GlobalEditorTabController {
     @Override
     public void redrawGlobalScripts() {
         DataUtilities.ensureGlobalExists();
-        globalScriptList.setOnEditStart((ListView.EditEvent<Script> event) -> {
-            UIAction.editScript(event.getSource().getItems().get(event.getIndex()), Application.gameData.getGlobal());
-        });
-        globalScriptList.setCellFactory(new Callback<ListView<Script>, ListCell<Script>>() {
-            @Override
-            public ListCell<Script> call(ListView<Script> param) {
-                final ListCell<Script> cell = new ListCell<Script>() {
-
-                    @Override
-                    protected void updateItem(Script item, boolean empty) {
-                        super.updateItem(item, empty);
-                        if (empty || item == null) {
-                            setText("");
-                        } else {
-                            setText(item.getName());
-                            setFont(Font.font(null, FontWeight.BOLD, 12.0));
-                        }
-                    }
-                };
-                return cell;
-            }
-        });
         if (globalScriptList.getItems() != null && Application.gameData.getGlobal().getScripts() != null) {
-            DataUtilities.sortScripts(Application.gameData.getGlobal().getScripts());
+            DataUtilities.sortNamedEntities(Application.gameData.getGlobal().getScripts().getScript());
             globalScriptList.getItems().setAll(Application.gameData.getGlobal().getScripts().getScript());
         } else {
             globalScriptList.getItems().clear();
@@ -165,41 +227,22 @@ public class GlobalEditorTabControllerImpl extends GlobalEditorTabController {
     @Override
     public void redrawGlobalVariables() {
         DataUtilities.ensureGlobalExists();
-       variableList.setOnEditStart((ListView.EditEvent<Variable> event) -> {
-            UIAction.editVariable(event.getSource().getItems().get(event.getIndex()), Application.gameData.getGlobal());
-        });
-        variableList.setCellFactory(new Callback<ListView<Variable>, ListCell<Variable>>() {
-            @Override
-            public ListCell<Variable> call(ListView<Variable> param) {
-                final ListCell<Variable> cell = new ListCell<Variable>() {
-                    @Override
-                    protected void updateItem(Variable item, boolean empty) {
-                        super.updateItem(item, empty);
-                        if (empty || item == null) {
-                            setText("");
-                        } else {
-                            setText(item.getName());
-                            if (item.getComment() != null && !(item.getComment().isEmpty())) {
-                                setTooltip(new Tooltip(item.getComment()));
-                            }
-                            setFont(Font.font(null, FontWeight.BOLD, 12.0));
-                        }
-                    }
-                };
-                return cell;
-            }
-        });
-        if (variableList.getItems() != null && Application.gameData.getGlobal().getVariables()!= null) {
-            DataUtilities.sortVariables(Application.gameData.getGlobal().getVariables());
+        if (variableList.getItems() != null && Application.gameData.getGlobal().getVariables() != null) {
+            DataUtilities.sortNamedEntities(Application.gameData.getGlobal().getVariables().getVariable());
             variableList.getItems().setAll(Application.gameData.getGlobal().getVariables().getVariable());
         } else {
             variableList.getItems().clear();
         }
-     }
+    }
 
     @Override
     public void redrawGlobalDataTypes() {
         DataUtilities.ensureGlobalExists();
+        if (dataTypeList.getItems() != null && Application.gameData.getGlobal().getUserTypes() != null) {
+            DataUtilities.sortNamedEntities(Application.gameData.getGlobal().getUserTypes().getUserType());
+            dataTypeList.getItems().setAll(Application.gameData.getGlobal().getUserTypes().getUserType());
+        } else {
+            dataTypeList.getItems().clear();
+        }
     }
-
 }
diff --git a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/MapEditorTabControllerImpl.java b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/MapEditorTabControllerImpl.java
index 028b3713..6b020459 100644
--- a/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/MapEditorTabControllerImpl.java
+++ b/OutlawEditor/src/main/java/org/badvision/outlaweditor/ui/impl/MapEditorTabControllerImpl.java
@@ -279,7 +279,7 @@ public class MapEditorTabControllerImpl extends MapEditorTabController {
             mapWrapAround.setDisable(true);
             setCurrentEditor(null);
         } else {
-            DataUtilities.sortScripts(m.getScripts());
+            DataUtilities.sortNamedEntities(m.getScripts().getScript());
             if (m.getHeight() == null) {
                 m.setHeight(512);
             }
@@ -426,7 +426,7 @@ public class MapEditorTabControllerImpl extends MapEditorTabController {
             mapScriptsList.getItems().clear();
         } else {
             if (mapScriptsList.getItems() != null && getCurrentMap().getScripts() != null) {
-                DataUtilities.sortScripts(getCurrentMap().getScripts());
+                DataUtilities.sortNamedEntities(getCurrentMap().getScripts().getScript());
                 mapScriptsList.getItems().setAll(getCurrentMap().getScripts().getScript());
             } else {
                 mapScriptsList.getItems().clear();
diff --git a/OutlawEditor/src/main/resources/globalEditorTab.fxml b/OutlawEditor/src/main/resources/globalEditorTab.fxml
index 9af84b42..44d9c7c4 100644
--- a/OutlawEditor/src/main/resources/globalEditorTab.fxml
+++ b/OutlawEditor/src/main/resources/globalEditorTab.fxml
@@ -40,7 +40,7 @@
                             <items>
                                 <Button mnemonicParsing="false" onAction="#onDataTypeAddPressed" text="+" />
                                 <Button mnemonicParsing="false" onAction="#onDataTypeDeletePressed" text="-" />
-                                <Button mnemonicParsing="false" onAction="#onDeleteClonePressed" text="Clone" />
+                                <Button mnemonicParsing="false" onAction="#onDataTypeClonePressed" text="Clone" />
                             </items>
                         </ToolBar>
                         <ScrollPane fitToHeight="true" fitToWidth="true" prefHeight="419.0" prefWidth="201.0">
diff --git a/OutlawEditor/src/main/resources/jaxb/OutlawSchema/OutlawSchema.xsd b/OutlawEditor/src/main/resources/jaxb/OutlawSchema/OutlawSchema.xsd
index eeb887db..a151487c 100644
--- a/OutlawEditor/src/main/resources/jaxb/OutlawSchema/OutlawSchema.xsd
+++ b/OutlawEditor/src/main/resources/jaxb/OutlawSchema/OutlawSchema.xsd
@@ -2,12 +2,19 @@
 <xs:schema version="1.0"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified" targetNamespace="outlaw" xmlns:tns="outlaw" attributeFormDefault="unqualified">
+    <xs:complexType name="namedEntity">
+        <xs:attribute name="name" use="required" type="xs:NCName"/>
+        <xs:attribute name="comment" type="xs:string"/>
+    </xs:complexType>
     <xs:complexType name="image">
-        <xs:sequence>
-            <xs:element name="displayData" type="tns:platformData" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:sequence>
-        <xs:attribute name="name" type="xs:NMTOKEN"/>
-        <xs:attribute name="category" type="xs:string"/>
+        <xs:complexContent>
+            <xs:extension base="tns:namedEntity">
+                <xs:sequence>
+                    <xs:element name="displayData" type="tns:platformData" minOccurs="0" maxOccurs="unbounded"/>
+                </xs:sequence>
+                <xs:attribute name="category" type="xs:string"/>
+            </xs:extension>
+        </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="tile">            
         <xs:complexContent>
@@ -29,26 +36,29 @@
         </xs:simpleContent>
     </xs:complexType>
     <xs:complexType name="script">
-        <xs:sequence>
-            <xs:element name="name" type="xs:string"/>
-            <xs:element name="description" type="xs:string" minOccurs="0"/>
-            <xs:element name="category" type="xs:string" minOccurs="0"/>
-            <xs:element name="block" type="tns:block"/>
-            <xs:element name="locationTrigger" minOccurs="0" maxOccurs="unbounded">
-                <xs:complexType>
-                    <xs:attribute name="x" type="xs:int"/>
-                    <xs:attribute name="y" type="xs:int"/>
-                </xs:complexType>
-            </xs:element>
-            <xs:element name="intervalTrigger" minOccurs="0" maxOccurs="unbounded">
-                <xs:complexType>
-                    <xs:attribute name="start" type="xs:int" use="optional"/>
-                    <xs:attribute name="end" type="xs:int" use="optional"/>
-                    <xs:attribute name="period" type="xs:int" use="optional"/>
-                    <xs:attribute name="ifTrue" type="xs:string" use="optional"/>
-                </xs:complexType>
-            </xs:element>
-        </xs:sequence>
+        <xs:complexContent>
+            <xs:extension base="tns:namedEntity">
+                <xs:sequence>
+                    <xs:element name="description" type="xs:string" minOccurs="0"/>
+                    <xs:element name="category" type="xs:string" minOccurs="0"/>
+                    <xs:element name="block" type="tns:block"/>
+                    <xs:element name="locationTrigger" minOccurs="0" maxOccurs="unbounded">
+                        <xs:complexType>
+                            <xs:attribute name="x" type="xs:int"/>
+                            <xs:attribute name="y" type="xs:int"/>
+                        </xs:complexType>
+                    </xs:element>
+                    <xs:element name="intervalTrigger" minOccurs="0" maxOccurs="unbounded">
+                        <xs:complexType>
+                            <xs:attribute name="start" type="xs:int" use="optional"/>
+                            <xs:attribute name="end" type="xs:int" use="optional"/>
+                            <xs:attribute name="period" type="xs:int" use="optional"/>
+                            <xs:attribute name="ifTrue" type="xs:string" use="optional"/>
+                        </xs:complexType>
+                    </xs:element>
+                </xs:sequence>
+            </xs:extension>
+        </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="scripts">
         <xs:sequence>
@@ -56,9 +66,11 @@
         </xs:sequence>
     </xs:complexType>
     <xs:complexType name="variable">
-        <xs:attribute name="name" use="required" type="xs:NCName"/>
-        <xs:attribute name="type" use="required" type="xs:NMTOKEN"/>
-        <xs:attribute name="comment" type="xs:string"/>
+        <xs:complexContent>
+            <xs:extension base="tns:namedEntity">
+                <xs:attribute name="type" use="required" type="xs:NMTOKEN"/>
+            </xs:extension>
+        </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="variables">
         <xs:sequence>
@@ -105,17 +117,13 @@
         </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="userType">
-        <xs:sequence>
-            <xs:element name="attribute" minOccurs="1" maxOccurs="unbounded">
-                <xs:complexType>
-                    <xs:attribute name="name" use="required" type="xs:NCName"/>
-                    <xs:attribute name="type" use="required" type="xs:NMTOKEN"/>
-                    <xs:attribute name="comment" type="xs:string"/>                            
-                </xs:complexType>
-            </xs:element>
-        </xs:sequence>
-        <xs:attribute name="name" use="required" type="xs:NCName"/>                            
-        <xs:attribute name="comment" use="required" type="xs:string"/>                            
+        <xs:complexContent>
+            <xs:extension base="tns:namedEntity">
+                <xs:sequence>
+                    <xs:element name="attribute" minOccurs="1" maxOccurs="unbounded" type="tns:variable"/>
+                </xs:sequence>
+            </xs:extension>
+        </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="scope">
         <xs:sequence>
diff --git a/OutlawEditor/src/main/resources/mythos/mythos-editor/html/editor.html b/OutlawEditor/src/main/resources/mythos/mythos-editor/html/editor.html
index 6ca4911d..e448abf2 100644
--- a/OutlawEditor/src/main/resources/mythos/mythos-editor/html/editor.html
+++ b/OutlawEditor/src/main/resources/mythos/mythos-editor/html/editor.html
@@ -74,7 +74,7 @@
             <block type="text_getboolean"></block>
             <block type="text_getcharacter"></block>
         </category>
-        <category var="customTypes" name="Custom Types">
+        <category id="customTypes" name="Custom Types">
         </category>
         <category name="Graphics">
             <block type="graphics_set_portrait"></block>
diff --git a/OutlawEditor/src/main/resources/mythos/mythos-editor/js/mythos_uncompressed.js b/OutlawEditor/src/main/resources/mythos/mythos-editor/js/mythos_uncompressed.js
index 449b6f17..f8bb4edd 100644
--- a/OutlawEditor/src/main/resources/mythos/mythos-editor/js/mythos_uncompressed.js
+++ b/OutlawEditor/src/main/resources/mythos/mythos-editor/js/mythos_uncompressed.js
@@ -63,52 +63,69 @@ if (typeof Mythos === "undefined") {
                 Mythos.buildCustomTypeBlocks(userType);
             });
         },
-        buildCustomType: function (userType) {
+        buildCustomTypeBlocks: function (userType) {
             Blockly.Blocks['userType_' + userType.getName()] = {
                 init: function () {
-                    var typeConstructor = this;
-                    typeConstructor.setColour(200);
-                    typeConstructor.appendDummyInput()
-                            .appendField("Create " + userType.getName());
-                    Mythos.each(userType.getAttribute(), function (attribute) {
-                        typeConstructor.appendValueInput(attribute.getName())
-                                .setAlign(Blockly.ALIGN_RIGHT)
-                                .setCheck(attribute.getType())
-                                .appendField(attribute.getName());
-                    });
-                    typeConstructor.setPreviousStatement(true);
-                    typeConstructor.setNextStatement(true);
-                    typeConstructor.setOutput(true, userType.getName());
+                    try {
+                        var typeConstructor = this;
+                        typeConstructor.setPreviousStatement(false);
+                        typeConstructor.setNextStatement(false);
+                        typeConstructor.setOutput(true, null);
+                        typeConstructor.setColour(200);
+                        typeConstructor.setTooltip(userType.getComment());
+                        typeConstructor.appendDummyInput()
+                                .appendField("Create " + userType.getName());
+                        Mythos.each(userType.getAttribute(), function (attribute) {
+                            typeConstructor.appendValueInput(attribute.getName())
+                                    .setAlign(Blockly.ALIGN_RIGHT)
+                                    .setCheck(attribute.getType())
+                                    .appendField(attribute.getName())
+                                    
+                        });
+                    } catch (error) {
+                        Mythos.editor.log(error);
+                    }
                 }
             };
             Blockly.Blocks['set_' + userType.getName()] = {
                 init: function () {
-                    var typeSetter = this;
-                    typeSetter.setColour(200);
-                    typeSetter.appendValueInput("Set ")
-                            .setAlign(Blockly.ALIGN_LEFT)
-                            .setCheck(null)
-                            .appendField(Mythos.getVariableDropdown(userType), "VAR")
-                            .appendField(".")
-                            .appendField(Mythos.getAttributeDropdown(userType), "ATTR");
-                    typeSetter.setPreviousStatement(true);
-                    typeSetter.setNextStatement(true);
-                    typeSetter.setOutput(false);
+                    try {
+                        var typeSetter = this;
+                        typeSetter.setColour(200);
+                        typeSetter.setPreviousStatement(true);
+                        typeSetter.setNextStatement(true);
+                        typeSetter.setOutput(false);
+                        typeSetter.setTooltip(userType.getComment());
+                        typeSetter.appendValueInput()
+                                .setAlign(Blockly.ALIGN_LEFT)
+                                .appendField("Set")
+                                .appendField(new Blockly.FieldVariable(userType.getName()), "VAR")
+                                .appendField(".")
+                                .appendField(Mythos.getAttributeDropdown(userType), "ATTR")
+                                .appendField("to");
+                    } catch (error) {
+                        Mythos.editor.log(error);
+                    }
                 }
             };
             Blockly.Blocks['get_' + userType.getName()] = {
                 init: function () {
-                    var typeGetter = this;
-                    typeGetter.setColour(200);
-                    typeGetter.appendDummyInput()
-                            .setAlign(Blockly.ALIGN_LEFT)
-                            .setCheck(null)
-                            .appendField(Mythos.getVariableDropdown(userType), "VAR")
-                            .appendField(".")
-                            .appendField(Mythos.getAttributeDropdown(userType), "ATTR");
-                    typeGetter.setPreviousStatement(false);
-                    typeGetter.setNextStatement(false);
-                    typeGetter.setOutput(true, null);
+                    try {
+                        var typeGetter = this;
+                        typeGetter.setColour(200);
+                        typeGetter.setPreviousStatement(false);
+                        typeGetter.setNextStatement(false);
+                        typeGetter.setOutput(true, null);
+                        typeGetter.setTooltip(userType.getComment());
+                        typeGetter.appendDummyInput()
+                                .setAlign(Blockly.ALIGN_LEFT)
+                                .appendField("Get")
+                                .appendField(new Blockly.FieldVariable(userType.getName()), "VAR")
+                                .appendField(".")
+                                .appendField(Mythos.getAttributeDropdown(userType), "ATTR");
+                    } catch (error) {
+                        Mythos.editor.log(error);
+                    }
                 }
             };
         },
@@ -118,16 +135,16 @@ if (typeof Mythos === "undefined") {
             Mythos.each(variables, function (variable) {
                 options.push([variable.getName(), variable.getName()]);
             });
-            return Blockly.FieldDropdown(options);
+            return new Blockly.FieldDropdown(options);
         },
         getAttributeDropdown: function (userType) {
             var options = [];
             Mythos.each(userType.getAttribute(), function (attribute) {
                 options.push([attribute.getName(), attribute.getName()]);
             });
-            return Blockly.FieldDropdown(options);
+            return new Blockly.FieldDropdown(options);
         },
-        addFunctionsFromScope: function(target, prefix, functions) {
+        addFunctionsFromScope: function (target, prefix, functions) {
             Mythos.each(functions, function (func) {
                 var scriptNode = document.createElement("block");
                 scriptNode.setAttribute("type", prefix + "_" + func.getName());
@@ -168,7 +185,7 @@ if (typeof Mythos === "undefined") {
                         });
                     }
                 };
-            });            
+            });
         },
         addFunctionsFromGlobalScope: function () {
             var toolbarCategory = document.getElementById("globalFunctions");