diff --git a/src/prelaunch/arctic.fox.a b/src/prelaunch/arctic.fox.a
index 7eccde001..d78639c27 100644
--- a/src/prelaunch/arctic.fox.a
+++ b/src/prelaunch/arctic.fox.a
@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2020 by qkumba
+;(c) 2020 by qkumba/Frank M.
 
 !cpu 6502
 !to "build/PRELAUNCH/ARCTIC.FOX",plain
@@ -19,6 +19,7 @@ callback
          inc   $3F4       ; force reboot
          bit   $C083
          jsr   DisableAccelerator
+         sta   $C05F      ; fix //c and //c+ HGR color
          +READ_RAM1_WRITE_RAM1
          jmp   $1170
 
diff --git a/src/prelaunch/arkanoid.a b/src/prelaunch/arkanoid.a
index ca74084c7..3197684a5 100755
--- a/src/prelaunch/arkanoid.a
+++ b/src/prelaunch/arkanoid.a
@@ -21,6 +21,7 @@
 +
          lda   $c083
          jsr   DisableAccelerator
+         sta   $C05F      ; fix //c and //c+ HGR color
          lda   $c08b
          jsr   $ee1f
 
diff --git a/src/prelaunch/battle.chess.a b/src/prelaunch/battle.chess.a
index 6443be4ea..73a4d66c3 100644
--- a/src/prelaunch/battle.chess.a
+++ b/src/prelaunch/battle.chess.a
@@ -24,6 +24,7 @@ callback !pseudopc $250 {
          sta   $C008
          bit   $C083
          jsr   DisableAccelerator
+         sta   $C05E      ; fix //c and //c+ DHGR setting
          bit   $C08B
          sta   $C009
          jmp   $C00
diff --git a/src/prelaunch/realm.imposs.a b/src/prelaunch/realm.imposs.a
index dbf414958..a3afe8405 100644
--- a/src/prelaunch/realm.imposs.a
+++ b/src/prelaunch/realm.imposs.a
@@ -24,6 +24,7 @@
 +
          +READ_RAM2_WRITE_RAM2
          jsr   DisableAccelerator
+         sta   $C05F      ; fix //c and //c+ HGR color
          +READ_RAM1_WRITE_RAM1
          jmp   $1953
 
diff --git a/src/prelaunch/spindizzy.a b/src/prelaunch/spindizzy.a
index 20aa19291..eba4c995e 100644
--- a/src/prelaunch/spindizzy.a
+++ b/src/prelaunch/spindizzy.a
@@ -23,6 +23,7 @@
          stx   $934F      ; fix reboot
 
          +DISABLE_ACCEL
+         sta   $C05F      ; fix //c and //c+ HGR color
          jmp   $9300
 
 !if * > $1C0 {