[nerpderp82]

Celeste64 uses https://github.com/LogicAndTrick/sledge-formats which include loaders for Quake formatted maps. It could be using the Quake format for a different engine.

[a_e_k]

It seemed at first glance like it was pretty specific to Quake engine games, knowing how to load .wad files, etc. I was wondering how it might be adapted for a custom game. The answer is here, in case anyone else is curious:

https://trenchbroom.github.io/manual/latest/#game_configurat...