diff --git a/res/ACTION.HGR.UNCOMPRESSED/MONSTER.MASH b/res/ACTION.HGR.UNCOMPRESSED/MONSTER.MASH
new file mode 100644
index 000000000..aa0eb99ca
Binary files /dev/null and b/res/ACTION.HGR.UNCOMPRESSED/MONSTER.MASH differ
diff --git a/res/ACTION.HGR/MONSTER.MASH b/res/ACTION.HGR/MONSTER.MASH
new file mode 100644
index 000000000..1c9643804
Binary files /dev/null and b/res/ACTION.HGR/MONSTER.MASH differ
diff --git a/res/ACTION.HGR/_FileInformation.txt b/res/ACTION.HGR/_FileInformation.txt
index eb6de221b..2b383a255 100644
--- a/res/ACTION.HGR/_FileInformation.txt
+++ b/res/ACTION.HGR/_FileInformation.txt
@@ -357,6 +357,7 @@ MINGS.CHALLENGE=Type(06),AuxType(3FF8),Access(C3)
 MINIT.MAN=Type(06),AuxType(3FF8),Access(C3)
 MINIT.MAN2=Type(06),AuxType(3FF8),Access(C3)
 MINIT.MAN3=Type(06),AuxType(3FF8),Access(C3)
+MONSTER.MASH=Type(06),AuxType(3FF8),Access(C3)
 MONTEZUMA01=Type(06),AuxType(3FF8),Access(C3)
 MONTEZUMA02=Type(06),AuxType(3FF8),Access(C3)
 MONTEZUMA03=Type(06),AuxType(3FF8),Access(C3)
diff --git a/res/ARTWORK.SHR.UNCOMPRESSED/MONSTER.MASH b/res/ARTWORK.SHR.UNCOMPRESSED/MONSTER.MASH
new file mode 100644
index 000000000..f6fa42162
Binary files /dev/null and b/res/ARTWORK.SHR.UNCOMPRESSED/MONSTER.MASH differ
diff --git a/res/ARTWORK.SHR/MONSTER.MASH b/res/ARTWORK.SHR/MONSTER.MASH
new file mode 100644
index 000000000..3543927b4
Binary files /dev/null and b/res/ARTWORK.SHR/MONSTER.MASH differ
diff --git a/res/ARTWORK.SHR/_FileInformation.txt b/res/ARTWORK.SHR/_FileInformation.txt
index 2ce126df4..d99bf78f0 100644
--- a/res/ARTWORK.SHR/_FileInformation.txt
+++ b/res/ARTWORK.SHR/_FileInformation.txt
@@ -76,6 +76,7 @@ MATTERHORN=Type(06),AuxType(1FF8),Access(C3)
 MAXWELL.MANOR=Type(06),AuxType(1FF8),Access(C3)
 MINER.2049ER=Type(06),AuxType(1FF8),Access(C3)
 MINIT.MAN=Type(06),AuxType(1FF8),Access(C3)
+MONSTER.MASH=Type(06),AuxType(1FF8),Access(C3)
 MR.COOL=Type(06),AuxType(1FF8),Access(C3)
 MR.ROBOT=Type(06),AuxType(1FF8),Access(C3)
 NIGHT.MISSION=Type(06),AuxType(1FF8),Access(C3)
diff --git a/res/ATTRACT/MONSTER.MASH b/res/ATTRACT/MONSTER.MASH
index e6367e780..9b56fb403 100644
--- a/res/ATTRACT/MONSTER.MASH
+++ b/res/ATTRACT/MONSTER.MASH
@@ -3,5 +3,7 @@
 # This file is automatically generated
 #
 
+ARTWORK.SHR/MONSTER.MASH=C
+ACTION.HGR/MONSTER.MASH=A
 
 [eof]
diff --git a/res/SS/ACTIONMNO4.CONF b/res/SS/ACTIONMNO4.CONF
index 31f50062f..b6d569430 100644
--- a/res/SS/ACTIONMNO4.CONF
+++ b/res/SS/ACTIONMNO4.CONF
@@ -3,6 +3,7 @@
 #
 
 MANIC.MINER
+MONSTER.MASH
 THUNDERHEAD2=THUNDERHEAD
 MINIT.MAN3=MINIT.MAN
 ONE.ON.ONE
diff --git a/res/SS/DATAMOST.CONF b/res/SS/DATAMOST.CONF
index b52717c05..02b0cf7ee 100644
--- a/res/SS/DATAMOST.CONF
+++ b/res/SS/DATAMOST.CONF
@@ -13,5 +13,6 @@ SWASHBUCKLER
 THE.BILESTOAD
 AZTEC
 COUNTY.FAIR
+MONSTER.MASH
 
 [eof]
diff --git a/res/SS/MNO4.CONF b/res/SS/MNO4.CONF
index 3de755816..f94bde61b 100644
--- a/res/SS/MNO4.CONF
+++ b/res/SS/MNO4.CONF
@@ -6,5 +6,6 @@ MATING.ZONE
 MINIT.MAN
 MANIC.MINER
 MAXWELL.MANOR
+MONSTER.MASH
 
 [eof]
diff --git a/res/SS/SHR26.CONF b/res/SS/SHR26.CONF
index 966233d42..18462b9ac 100644
--- a/res/SS/SHR26.CONF
+++ b/res/SS/SHR26.CONF
@@ -6,5 +6,6 @@ MAXWELL.MANOR
 MINIT.MAN
 BANDITS
 BORG
+MONSTER.MASH
 
 [eof]