well, i tried doing a Cheat run on Running From evil and i got to the boss room (i think) i lasted a while and adventually died when i tried to amp up my health with Invincibility cheat(Nuke(0)) and in that time i died. very fun, i suggest you do a cheat run on that level, it is very intense when you get to the last part.
A 35-level single player major conversion.
This scenario is difficult and action-packed; it features a full arsenal of new, powerful weapons, and more threatening enemies than you could ever want.
1.4 has new Lua features like a performance overlay, weapon buffs, a lot of little bug fixes; it also applies ammo capacity limits on Total Carnage. Requires Aleph One 1.5 or newer, probably!