diff --git a/res/ACTION.DHGR.UNCOMPRESSED/ALIENS b/res/ACTION.DHGR.UNCOMPRESSED/ALIENS
new file mode 100644
index 000000000..dc19a959a
Binary files /dev/null and b/res/ACTION.DHGR.UNCOMPRESSED/ALIENS differ
diff --git a/res/ACTION.DHGR.UNCOMPRESSED/ALIENS2 b/res/ACTION.DHGR.UNCOMPRESSED/ALIENS2
new file mode 100644
index 000000000..6c189b2be
Binary files /dev/null and b/res/ACTION.DHGR.UNCOMPRESSED/ALIENS2 differ
diff --git a/res/ACTION.DHGR/ALIENS b/res/ACTION.DHGR/ALIENS
new file mode 100644
index 000000000..4cd5c05e0
Binary files /dev/null and b/res/ACTION.DHGR/ALIENS differ
diff --git a/res/ACTION.DHGR/ALIENS2 b/res/ACTION.DHGR/ALIENS2
new file mode 100644
index 000000000..8a9347890
Binary files /dev/null and b/res/ACTION.DHGR/ALIENS2 differ
diff --git a/res/ACTION.DHGR/_FileInformation.txt b/res/ACTION.DHGR/_FileInformation.txt
index 742353ea4..a67c631ec 100644
--- a/res/ACTION.DHGR/_FileInformation.txt
+++ b/res/ACTION.DHGR/_FileInformation.txt
@@ -3,6 +3,8 @@
 AIRHEART=Type(06),AuxType(3FF8),Access(C3)
 AIRHEART2=Type(06),AuxType(3FF8),Access(C3)
 AIRHEART3=Type(06),AuxType(3FF8),Access(C3)
+ALIENS=Type(06),AuxType(3FF8),Access(C3)
+ALIENS2=Type(06),AuxType(3FF8),Access(C3)
 BAD.DUDES=Type(06),AuxType(3FF8),Access(C3)
 BAD.DUDES2=Type(06),AuxType(3FF8),Access(C3)
 BAD.DUDES3=Type(06),AuxType(3FF8),Access(C3)
diff --git a/res/ATTRACT/ALIENS b/res/ATTRACT/ALIENS
index 3c07c714a..983d0e785 100644
--- a/res/ATTRACT/ALIENS
+++ b/res/ATTRACT/ALIENS
@@ -3,5 +3,7 @@
 # This file is automatically generated
 #
 
+ACTION.DHGR/ALIENS2=B
+ACTION.DHGR/ALIENS=B
 
 [eof]
diff --git a/res/SS/ACTDHGR5.CONF b/res/SS/ACTDHGR5.CONF
index 4ef99a228..7b01ab038 100644
--- a/res/SS/ACTDHGR5.CONF
+++ b/res/SS/ACTDHGR5.CONF
@@ -4,6 +4,7 @@
 
 BATMAN2=BATMAN
 TETRIS3=TETRIS
+ALIENS
 CALI.GAMES3=CALI.GAMES
 SOKO.BAN4=SOKO.BAN
 WINTER.EDITION2=WINTER.EDITION
diff --git a/res/SS/ACTDHGR6.CONF b/res/SS/ACTDHGR6.CONF
index 49787ba3f..11a3c6022 100644
--- a/res/SS/ACTDHGR6.CONF
+++ b/res/SS/ACTDHGR6.CONF
@@ -7,5 +7,6 @@ SS.BASKETBALL2=SS.BASKETBALL
 WINTER.EDITION5=WINTER.EDITION
 VICTORY.ROAD2=VICTORY.ROAD
 SS.BASEBALL2=SS.BASEBALL
+ALIENS2=ALIENS
 
 [eof]
diff --git a/src/constants.a b/src/constants.a
index 00c766529..572fd0e24 100644
--- a/src/constants.a
+++ b/src/constants.a
@@ -6,7 +6,7 @@
 ; YE OLDE GRAND UNIFIED MEMORY MAP
 ;
 ; LC RAM BANK 1
-; D000..E439 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
+; D000..E50C - persistent data structures (gGlobalPrefsStore, gGamesListStore)
 ; ...unused...
 ; E92B..FFF1 - main program code
 ; FFF2..FFF9 - API functions and global constants available for main program