diff --git a/games/keen/Makefile b/games/keen/Makefile
index 9fbf43ae..f9ab4aea 100644
--- a/games/keen/Makefile
+++ b/games/keen/Makefile
@@ -12,7 +12,7 @@ EMPTY_DISK = ../../empty_disk/empty.dsk
 all:	keen1_lores.dsk
 
 keen1_lores.dsk:	HELLO LOADER TITLE ENGINE MARS \
-	LEVEL1 LEVEL2 LEVEL3
+	LEVEL1 LEVEL2 LEVEL3 LEVEL4
 	cp $(EMPTY_DISK) keen1_lores.dsk
 	$(DOS33) -y keen1_lores.dsk SAVE A HELLO
 	$(DOS33) -y keen1_lores.dsk BSAVE -a 0x1000 LOADER
@@ -22,6 +22,7 @@ keen1_lores.dsk:	HELLO LOADER TITLE ENGINE MARS \
 	$(DOS33) -y keen1_lores.dsk BSAVE -a 0x6000 LEVEL1
 	$(DOS33) -y keen1_lores.dsk BSAVE -a 0x6000 LEVEL2
 	$(DOS33) -y keen1_lores.dsk BSAVE -a 0x6000 LEVEL3
+	$(DOS33) -y keen1_lores.dsk BSAVE -a 0x6000 LEVEL4
 
 
 ###
@@ -87,6 +88,16 @@ level3.o:	level3.s enemies.inc \
 	maps/level3_map.zx02
 	ca65 -o level3.o level3.s -l level3.lst
 
+####
+
+LEVEL4:	level4.o
+	ld65 -o LEVEL4 level4.o -C ../../linker_scripts/apple2_6000.inc
+
+level4.o:	level4.s enemies.inc \
+	maps/level4_map.zx02
+	ca65 -o level4.o level4.s -l level4.lst
+
+
 
 
 ####
diff --git a/games/keen/level3.s b/games/keen/level3.s
index 861546e4..07113f1d 100644
--- a/games/keen/level3.s
+++ b/games/keen/level3.s
@@ -6,7 +6,7 @@
 
 level3_data:
 .byte	116	;MAX_TILE_X 		= 116	; 116 wide
-.byte	44	;MAX_TILE_Y 		= 16	; 16 tall
+.byte	44	;MAX_TILE_Y 		= 16	; 44 tall
 
 .byte	1	;START_KEEN_TILEX	= 1
 .byte	13	;START_KEEN_TILEY	= 13
diff --git a/games/keen/level4.s b/games/keen/level4.s
new file mode 100644
index 00000000..6567619a
--- /dev/null
+++ b/games/keen/level4.s
@@ -0,0 +1,65 @@
+; Level 4 (Capital City)
+
+.include "enemies.inc"
+
+; at $6000
+
+level3_data:
+.byte	116	;MAX_TILE_X 		= 116	; 116 wide
+.byte	20	;MAX_TILE_Y 		= 16	; 20 tall
+
+.byte	4	;START_KEEN_TILEX	= 4
+.byte	16	;START_KEEN_TILEY	= 16
+
+.byte	0	;START_TILEMAP_X	= 0
+.byte	8	;START_TILEMAP_Y	= 8
+
+.byte	0	;NUM_ENEMIES		= 8
+
+.byte	32	;HARDTOP_TILES   	= 32	; start at 32
+.byte	40	;ALLHARD_TILES   	= 40	; start at 40
+
+
+.align	$100
+
+; at $6100
+enemy_data:
+
+enemy_data_out:         .byte 1,     0,   0,    0,    0,    0,   0,    0
+enemy_data_exploding:   .byte 0,     0,   0,    0,    0,    0,   0,    0
+enemy_data_type:        .byte YORP,  YORP, YORP, YORP, YORP, YORP,YORP,YORP
+enemy_data_direction:   .byte RIGHT, LEFT, LEFT, RIGHT, LEFT, RIGHT,LEFT,LEFT
+enemy_data_tilex:       .byte 16,    19,   23,   14,   14,   16,  42,  70
+enemy_data_tiley:       .byte 9,     9,    9,    45,   38,   43,  44,  34
+enemy_data_x:           .byte 0,     0,    0,    0,    0,    0,   0,   0
+enemy_data_y:           .byte 0,     0,    0,    0,    0,    0,   0,   0
+enemy_data_state:       .byte 0,     0,    0,    0,    0,    0,   0,   0
+enemy_data_count:       .byte 8,     8,    8,    8,    8,    8,   8,   8
+
+
+; enemy1: yorp @16,9, right
+; enemy2: yorp @19,9  left
+; enemy3: yorp @23,9  left
+; enemy4: yorp @14,45 right
+; enemy5: yorp @14,38 left
+; enemy6: yorp @16,43 right
+; enemy7: yorp @42,44 left
+; enemy8: yorp @70,34 left
+
+; enemy9: garg @50,31 right
+; enemy10: garg @63,45 right
+
+; enemy?: butler robot@27,7 left
+; enemy?: vorticon  @53,8 right
+
+.align	$100
+
+; at $6200
+oracle_message:
+.byte $0
+
+.align $100
+
+; at $6300
+level1_data_zx02:
+        .incbin         "maps/level4_map.zx02"
diff --git a/games/keen/loader.s b/games/keen/loader.s
index 470d3f66..f4d0b987 100644
--- a/games/keen/loader.s
+++ b/games/keen/loader.s
@@ -201,6 +201,7 @@ filenames:
 	.word keen1_filename
 	.word keen2_filename
 	.word keen3_filename
+	.word keen4_filename
 
 engine_filename:
 	.byte "ENGINE",0
@@ -214,6 +215,8 @@ keen2_filename:
 	.byte "LEVEL2",0
 keen3_filename:
 	.byte "LEVEL3",0
+keen4_filename:
+	.byte "LEVEL4",0
 
 
 	;===================================================
diff --git a/games/keen/maps/Makefile b/games/keen/maps/Makefile
index 45ad7f50..4f624009 100644
--- a/games/keen/maps/Makefile
+++ b/games/keen/maps/Makefile
@@ -7,7 +7,7 @@ PNG2GR = ../../../utils/gr-utils/png2gr
 
 all:	png2map \
 	level1_map.zx02 level2_map.zx02 \
-	level3_map.zx02 \
+	level3_map.zx02 level4_map.zx02 \
 	mars_map.zx02
 
 ###
@@ -34,6 +34,14 @@ level3_map.zx02:	level3_map.inc
 level3_map.inc:	level3_map.png png2map
 	./png2map level3_map.png level3_map.inc
 
+###
+
+level4_map.zx02:	level4_map.inc
+	$(ZX02) level4_map.inc level4_map.zx02
+
+level4_map.inc:	level4_map.png png2map
+	./png2map level4_map.png level4_map.inc
+
 
 
 ###
diff --git a/games/keen/maps/level4_map.png b/games/keen/maps/level4_map.png
new file mode 100644
index 00000000..80ec71ec
Binary files /dev/null and b/games/keen/maps/level4_map.png differ