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

Catacomb and Catacomb II are top-down Gauntlet-style shooters. They are two of id Software's earliest games. They are the direct ancestors of most First Person Shooters. They introduced strafing.

Catacomb was distributed on the same Gamer's Edge disk as Dangerous Dave.

They are part of series of 6 games, in two trilogies:

It evolved like this: Catacomb + Hovertank -> Catacomb 3-D -> Wolfenstein 3-D -> Doom -> Quake


The following tools are able to work with this game.

Name PlatformGroup/archives Levels Graphics Music Sounds Text Saves .exe patch Notes
Camoto Linux/WindowsN/ANoTilesetN/ANoNoNoNo

File formats

File name Description
LEVEL#.CAT Game levels in Catacomb Map Format
TOPSCORS.CAT High scores in Catacomb Highscore Format
SOUNDS.CAT PC speaker sounds in Inverse Frequency Sound format
Tile graphics for levels in Catacomb Tileset Format, stored in the main .exe file
Other graphics in PIC Format, stored in the main .exe file

All graphics files are stored in the EXE. Their location in the decompressed executable is as follows:

Location Size Description
0x00006100 0xB6C0 EGACHARS.CAT
0x000117D0 0x5B60 CGACHARS.CAT
0x00017997 0x4000 TITLE.PIC
0x0001B997 0x4000 END.PIC

Note that these offsets only apply when using UNLZEXE (other programs will produce different offsets.)

Source code

The source code of this game was released by Flat Rock Software on June 5, 2014. It can be downloaded from GitHub.