PSX DOOM - The Forgotten Chapter: Map 01 - Attack Again (UVMAX)

Something to tide y'all over in the meantime... another PSX-style WAD. I've always loved the horror aesthetic of Playstation Doom. The music, sound effects, and lighting were something else.
Secrets:
1. 00:10
2. 01:25
3. 02:20
4. 02:55