Fully-guided retro FPS. Cheeseable with cheats. Difficulty achievements don't stack. Complete game on Nightmare, then replay final level on Hell through level select. ~8 hours to 100% with cheats.
Fully-guided retro FPS. Cheeseable with cheats. Difficulty achievements don't stack. Complete game on Nightmare, then replay final level on Hell through level select. ~8 hours to 100% with cheats.