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Levels?X mark.svg Not editable
Tiles?X mark.svg Not editable
Sprites?X mark.svg Not editable
Fullscreen?X mark.svg Not editable
Sound?X mark.svg Not editable
Music?Tick.png Editable
Text?X mark.svg Not editable
Story/cutscenes?X mark.svg Not editable
UI/menus?X mark.svg Not editable


There are significant file format differences between game versions. It is recommended that developers target version 1.5, which is the latest version and has been released as freeware.

The following tools are able to work with this game.

Name PlatformGroup/archives Levels Graphics Music Sounds Text Saves .exe patch Notes
Camoto Linux/WindowsEditNoNoEditNoNoNoNo v1.3 only
Galactix fuse DOSReadNoNoNoNoNoNoNo v1.3 only

File formats

The following file formats are used by this game.

Filename Format Details
gx1.exe EXE Format
  • v1.0: Uncompressed, includes debug info
  • v1.3: Uncompressed
  • v1.3a: LZEXE 0.91 (LZ91 signature removed)
  • v1.4: LZEXE 0.91
  • v1.5: LZEXE 0.91
*.glb GLB Format (Galactix) Archive file storing most of the game data files
*.mdi MDI Format Background music
*.pic ? Various images and full-screen graphics. 64000 byte files are 320x200 fullscreen images, others are unknown format (not Raptor PIC)
*.sdm ? Digitised audio?
palette.dat 6-bit VGA Palette Game palette