diff --git a/res/ATTRACT/GREMLINS b/res/ATTRACT/GREMLINS
index 2dd7ed9b6..cb91717d5 100644
--- a/res/ATTRACT/GREMLINS
+++ b/res/ATTRACT/GREMLINS
@@ -5,5 +5,6 @@
 
 GREMLINS=C
 GREMLINS=A
+GREMLINS=0
 
 [eof]
diff --git a/res/DEMO/GREMLINS b/res/DEMO/GREMLINS
new file mode 100644
index 000000000..b3014db40
Binary files /dev/null and b/res/DEMO/GREMLINS differ
diff --git a/res/DEMO/_FileInformation.txt b/res/DEMO/_FileInformation.txt
index 13114933e..4e2121509 100644
--- a/res/DEMO/_FileInformation.txt
+++ b/res/DEMO/_FileInformation.txt
@@ -40,6 +40,7 @@ GALAXIAN=Type(06),AuxType(0300),Access(C3)
 GAMMA.GOBLINS=Type(06),AuxType(B000),Access(C3)
 GENETIC.DRIFT=Type(06),AuxType(0300),Access(C3)
 THE.GOONIES=Type(06),AuxType(0300),Access(C3)
+GREMLINS=Type(06),AuxType(BE00),Access(C3)
 GUMBALL=Type(06),AuxType(0210),Access(C3)
 HARD.HAT.MACK=Type(06),AuxType(0200),Access(C3)
 HIGH.RISE=Type(06),AuxType(0300),Access(C3)
diff --git a/src/demo/gremlins.a b/src/demo/gremlins.a
new file mode 100644
index 000000000..4cdb46a85
--- /dev/null
+++ b/src/demo/gremlins.a
@@ -0,0 +1,47 @@
+;license:MIT
+;(c) 2022 by qkumba
+
+!cpu 6502
+!to "res/DEMO/GREMLINS",plain
+*=$be00
+
+         !source "src/constants.a"   ; no code in these
+         !source "src/macros.a"
+
+         +READ_RAM2_WRITE_RAM2
+         jsr   EnableAccelerator
+         +LOAD_FILE_AT gremlins, 0
+         +READ_ROM_NO_WRITE
+         lda   #$4C
+         sta   $082D
+         sta   $0863
+         lda   #$2C
+         sta   $839       ; no music
+         lda   #0
+         sta   $856       ; exit keycheck sooner
+         jsr   $0800      ; decompress
+         +DISABLE_ACCEL
+         jsr   $830       ; check key
+         ldx   #0
+         stx   $5219      ; exit keycheck sooner
+         lda   #$4C
+         sta   $51F2
+         sta   $61E4
+         stx   $51F3
+         stx   $5506
+         stx   $61E5
+         inx
+         stx   $51F4
+         stx   $5507
+         stx   $61E6
+         jmp   $4000
+
+gremlins
+         !byte gremlins_e-gremlins_b
+gremlins_b
+         !text "X/GREMLINS/GREMLINS"
+gremlins_e
+
+!if * > $BEFF {
+  !error "code is too large, ends at ", *
+}
diff --git a/src/index/artwork.idx.a b/src/index/artwork.idx.a
index 769966d90..14317ee40 100644
--- a/src/index/artwork.idx.a
+++ b/src/index/artwork.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11465688
+         !be24  11465700
          !le16     4580
diff --git a/src/index/attract.idx.a b/src/index/attract.idx.a
index 0a0be4721..65f88f5aa 100644
--- a/src/index/attract.idx.a
+++ b/src/index/attract.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11416876
+         !be24  11416888
          !le16     5319
diff --git a/src/index/cache00.idx.a b/src/index/cache00.idx.a
index 023367b92..f58fd2ea2 100644
--- a/src/index/cache00.idx.a
+++ b/src/index/cache00.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11357238
+         !be24  11357250
          !le16     3654
diff --git a/src/index/cache01.idx.a b/src/index/cache01.idx.a
index 6ed42472d..6baf33ce1 100644
--- a/src/index/cache01.idx.a
+++ b/src/index/cache01.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11370019
+         !be24  11370031
          !le16     4064
diff --git a/src/index/cache10.idx.a b/src/index/cache10.idx.a
index e2fa2dfee..1908c4ab0 100644
--- a/src/index/cache10.idx.a
+++ b/src/index/cache10.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11386059
+         !be24  11386071
          !le16     5245
diff --git a/src/index/cache11.idx.a b/src/index/cache11.idx.a
index 9d4115108..d1149ea72 100644
--- a/src/index/cache11.idx.a
+++ b/src/index/cache11.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11404573
+         !be24  11404585
          !le16     5870
diff --git a/src/index/coverfade.idx.a b/src/index/coverfade.idx.a
index b3ba00c8f..dcdfba27c 100644
--- a/src/index/coverfade.idx.a
+++ b/src/index/coverfade.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11470268
+         !be24  11470280
          !le16      410
diff --git a/src/index/credits.idx.a b/src/index/credits.idx.a
index de2323285..e9a7fb24d 100644
--- a/src/index/credits.idx.a
+++ b/src/index/credits.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11471022
+         !be24  11471034
          !le16      448
diff --git a/src/index/decrunch.idx.a b/src/index/decrunch.idx.a
index 9639f34d5..613114683 100644
--- a/src/index/decrunch.idx.a
+++ b/src/index/decrunch.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11471470
+         !be24  11471482
          !le16      303
diff --git a/src/index/dfx.idx.a b/src/index/dfx.idx.a
index 9ddcc6279..9f68d5554 100644
--- a/src/index/dfx.idx.a
+++ b/src/index/dfx.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11424341
+         !be24  11424353
          !le16     1242
diff --git a/src/index/dgr.fizzle.idx.a b/src/index/dgr.fizzle.idx.a
index 993f28345..1560033ef 100644
--- a/src/index/dgr.fizzle.idx.a
+++ b/src/index/dgr.fizzle.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11470754
+         !be24  11470766
          !le16       67
diff --git a/src/index/dgr.idx.a b/src/index/dgr.idx.a
index 89da5c67b..d4ff99b20 100644
--- a/src/index/dgr.idx.a
+++ b/src/index/dgr.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11465629
+         !be24  11465641
          !le16       59
diff --git a/src/index/dhgr.idx.a b/src/index/dhgr.idx.a
index e1360fd0b..539483aa0 100644
--- a/src/index/dhgr.idx.a
+++ b/src/index/dhgr.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11464144
+         !be24  11464156
          !le16     1404
diff --git a/src/index/dtitle.idx.a b/src/index/dtitle.idx.a
index a07fa45db..d99437b05 100644
--- a/src/index/dtitle.idx.a
+++ b/src/index/dtitle.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11449761
+         !be24  11449773
          !le16      521
diff --git a/src/index/fx.idx.a b/src/index/fx.idx.a
index c5d157783..4b57be584 100644
--- a/src/index/fx.idx.a
+++ b/src/index/fx.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11422195
+         !be24  11422207
          !le16     2146
diff --git a/src/index/gamehelp.idx.a b/src/index/gamehelp.idx.a
index 6599c7dcf..d3a60db0b 100644
--- a/src/index/gamehelp.idx.a
+++ b/src/index/gamehelp.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11425941
+         !be24  11425953
          !le16     6433
diff --git a/src/index/gr.fizzle.idx.a b/src/index/gr.fizzle.idx.a
index f8b1e1356..b5f96bbd1 100644
--- a/src/index/gr.fizzle.idx.a
+++ b/src/index/gr.fizzle.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11470678
+         !be24  11470690
          !le16       76
diff --git a/src/index/gr.idx.a b/src/index/gr.idx.a
index 9a0ea2710..97bcd9a2d 100644
--- a/src/index/gr.idx.a
+++ b/src/index/gr.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11465548
+         !be24  11465560
          !le16       81
diff --git a/src/index/helptext.idx.a b/src/index/helptext.idx.a
index dd41b725f..a80eb6870 100644
--- a/src/index/helptext.idx.a
+++ b/src/index/helptext.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11470821
+         !be24  11470833
          !le16      201
diff --git a/src/index/hgr0.idx.a b/src/index/hgr0.idx.a
index b3fee2564..fd84ffd0a 100644
--- a/src/index/hgr0.idx.a
+++ b/src/index/hgr0.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11450282
+         !be24  11450294
          !le16     4511
diff --git a/src/index/hgr1.idx.a b/src/index/hgr1.idx.a
index 2e7043a35..68d3c5f8a 100644
--- a/src/index/hgr1.idx.a
+++ b/src/index/hgr1.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11454793
+         !be24  11454805
          !le16     1591
diff --git a/src/index/hgr2.idx.a b/src/index/hgr2.idx.a
index 5952cf27b..97f7c3f71 100644
--- a/src/index/hgr2.idx.a
+++ b/src/index/hgr2.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11456384
+         !be24  11456396
          !le16     1053
diff --git a/src/index/hgr3.idx.a b/src/index/hgr3.idx.a
index 84deb8b0f..b56be6cc3 100644
--- a/src/index/hgr3.idx.a
+++ b/src/index/hgr3.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11457437
+         !be24  11457449
          !le16     3237
diff --git a/src/index/hgr4.idx.a b/src/index/hgr4.idx.a
index 0fe23f66f..d5dc92650 100644
--- a/src/index/hgr4.idx.a
+++ b/src/index/hgr4.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11460674
+         !be24  11460686
          !le16     2877
diff --git a/src/index/hgr5.idx.a b/src/index/hgr5.idx.a
index 82a73883d..912674b68 100644
--- a/src/index/hgr5.idx.a
+++ b/src/index/hgr5.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11463551
+         !be24  11463563
          !le16      479
diff --git a/src/index/hgr6.idx.a b/src/index/hgr6.idx.a
index a727cae35..b7b6a8d93 100644
--- a/src/index/hgr6.idx.a
+++ b/src/index/hgr6.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11464030
+         !be24  11464042
          !le16      114
diff --git a/src/index/joystick.idx.a b/src/index/joystick.idx.a
index 80067ddf0..0c759b228 100644
--- a/src/index/joystick.idx.a
+++ b/src/index/joystick.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11471773
+         !be24  11471785
          !le16     2370
diff --git a/src/index/miniattract0.idx.a b/src/index/miniattract0.idx.a
index 48e5ac352..e23991dcb 100644
--- a/src/index/miniattract0.idx.a
+++ b/src/index/miniattract0.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11437330
+         !be24  11437342
          !le16     3642
diff --git a/src/index/miniattract1.idx.a b/src/index/miniattract1.idx.a
index 4749a2a3d..5f6953f97 100644
--- a/src/index/miniattract1.idx.a
+++ b/src/index/miniattract1.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11440972
+         !be24  11440984
          !le16     2795
diff --git a/src/index/prelaunch.idx.a b/src/index/prelaunch.idx.a
index 2ddb55ba7..f930398f0 100644
--- a/src/index/prelaunch.idx.a
+++ b/src/index/prelaunch.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11410443
+         !be24  11410455
          !le16     6433
diff --git a/src/index/search00.idx.a b/src/index/search00.idx.a
index 40e201de0..a00a2fa16 100644
--- a/src/index/search00.idx.a
+++ b/src/index/search00.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11348955
+         !be24  11348967
          !le16     8283
diff --git a/src/index/search01.idx.a b/src/index/search01.idx.a
index 4aec91053..f77b744cb 100644
--- a/src/index/search01.idx.a
+++ b/src/index/search01.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11360892
+         !be24  11360904
          !le16     9127
diff --git a/src/index/search10.idx.a b/src/index/search10.idx.a
index cf7e78d1b..5bd744f9b 100644
--- a/src/index/search10.idx.a
+++ b/src/index/search10.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11374083
+         !be24  11374095
          !le16    11976
diff --git a/src/index/search11.idx.a b/src/index/search11.idx.a
index dcaa2f980..cd4d87f09 100644
--- a/src/index/search11.idx.a
+++ b/src/index/search11.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11391304
+         !be24  11391316
          !le16    13269
diff --git a/src/index/sfx.idx.a b/src/index/sfx.idx.a
index e32fc17ce..93d0f74a5 100644
--- a/src/index/sfx.idx.a
+++ b/src/index/sfx.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11425583
+         !be24  11425595
          !le16      358
diff --git a/src/index/slideshow.idx.a b/src/index/slideshow.idx.a
index 476256de3..fe2ee2ab5 100644
--- a/src/index/slideshow.idx.a
+++ b/src/index/slideshow.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11432374
+         !be24  11432386
          !le16     4956
diff --git a/src/index/title.idx.a b/src/index/title.idx.a
index 04f117646..6f20780d5 100644
--- a/src/index/title.idx.a
+++ b/src/index/title.idx.a
@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  11443767
+         !be24  11443779
          !le16     5994
diff --git a/src/prelaunch/gremlins.a b/src/prelaunch/gremlins.a
index 66bae7773..3be2ae8d2 100644
--- a/src/prelaunch/gremlins.a
+++ b/src/prelaunch/gremlins.a
@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2019 by 4am
+;(c) 2019, 2022 by 4am, qkumba
 
 !cpu 6502
 !to "build/PRELAUNCH.INDEXED/GREMLINS",plain
@@ -8,9 +8,13 @@
          !source "src/prelaunch/common.a"
 
          +ENABLE_ACCEL
-         lda   #$60
-         sta   $0866
+         lda   #$4C
+         sta   $082D
+         sta   $0863
          jsr   $0800      ; decompress
+         +DISABLE_ACCEL
+         jsr   $211       ; music
+         jsr   $830       ; check key
          +GET_MACHINE_STATUS
          and   #CHEATS_ENABLED
          beq   +
@@ -22,11 +26,6 @@
          sta   $54B6      ; patch - don't decrease lives
          sta   $5162      ; patch - don't increase lives
 +
-         ldx   #0
-         stx   $67AA
-         dex
-         stx   $67A0
-         +DISABLE_ACCEL
          jmp   $4000
 
 !if * > $1C0 {