Question 1

How do I compile Catacomb on Windows 10?

Accepted Answer

You'll need to set up a DOS emulator or use a compatible Pascal compiler like Free Pascal with Turbo Pascal mode. The README mentions MAKECAT.BAT, but it's designed for old DOS systems, so configuration can be tricky.

Question 2

Can I use Catacomb's assets in my own game?

Accepted Answer

No, the game data files and OBJ files are not under GPL and retain original copyrights, so commercial use is prohibited. You can only use them non-commercially or replace them with your own assets.

Question 3

How to enable demo recording in Catacomb?

Accepted Answer

Uncomment the block with 'playmode:=demosave;' in CATACOMB.PAS, then compile the game. This will record gameplay to DEMO.CAT, as specified in the compile options section of the README.

Question 4

Catacomb vs Wolfenstein 3D source code: which is better for learning?

Accepted Answer

Catacomb uses Pascal and focuses on 2D gameplay, offering a simpler look at id Software's early work. Wolfenstein 3D is in C and introduces 3D techniques, making it more relevant for understanding raycasting engines.

Question 5

What's the level editor and how do I access it safely?

Accepted Answer

The editor is built into the game; enable it by removing the SAMPLER define in CATACOMB.PAS. Press E during the demo sequence to enter, but beware it uses uncompressed data and can scramble levels if misused, as warned in the README.

Question 6

Is Catacomb source code compatible with modern Pascal compilers?

Accepted Answer

It's tailored for Turbo Pascal 5.5 and may require adjustments for compilers like Free Pascal due to outdated syntax or libraries. Testing and tweaking are often needed to get it running.

Catacomb

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