diff --git a/res/ACTION.HGR.UNCOMPRESSED/NEUTRONS b/res/ACTION.HGR.UNCOMPRESSED/NEUTRONS
new file mode 100644
index 000000000..c8fd6dd18
Binary files /dev/null and b/res/ACTION.HGR.UNCOMPRESSED/NEUTRONS differ
diff --git a/res/ACTION.HGR/NEUTRONS b/res/ACTION.HGR/NEUTRONS
new file mode 100644
index 000000000..c0ec1a749
Binary files /dev/null and b/res/ACTION.HGR/NEUTRONS differ
diff --git a/res/ATTRACT/NEUTRONS b/res/ATTRACT/NEUTRONS
index 0c1cd4f14..a2479f66a 100644
--- a/res/ATTRACT/NEUTRONS
+++ b/res/ATTRACT/NEUTRONS
@@ -3,5 +3,6 @@
 # This file is automatically generated
 #
 
+NEUTRONS=A
 
 [eof]
diff --git a/res/SS/ACTIONMNO1.CONF b/res/SS/ACTIONMNO1.CONF
index ba12a6219..ae330e770 100644
--- a/res/SS/ACTIONMNO1.CONF
+++ b/res/SS/ACTIONMNO1.CONF
@@ -12,5 +12,6 @@ ORBITRON
 MB3=MB
 MP1=MP
 MM
+NEUTRONS
 
 [eof]
diff --git a/res/SS/MNO4.CONF b/res/SS/MNO4.CONF
index 087827e24..96a2e3bf0 100644
--- a/res/SS/MNO4.CONF
+++ b/res/SS/MNO4.CONF
@@ -11,5 +11,6 @@ MONSTER.MASH
 OUTWORLD
 MICRO.INVADERS
 MICROWAVE
+NEUTRONS
 
 [eof]