Brutal Doom Tips
Second, if you are stuck in an unfair custom map on nightmare difficulty, and there are literally too many monsters to continue, instead of using traditional cheats just type:
spawn mech. It will bring an armored mecha robot (where you can get in) and use 4 powerful weapons to restore balance. If this is not enough (or you are bored) try to jump and squash enemies Metal Slug style!
Last, a long time ago, I wrote useful script to run gzdoom with various configurations/wads.
or the only ↩