This page contains Doom 2: Hell On Earth Codes for PC called "Permanent turbo" and has been posted or updated on Feb 21, 2007 by Jonathan f.
- Developer: Id Software
- Publisher: Gt Interactive
- Genre: Action Shooter First-Person
- Release: Sep 30, 1994
- ESRB: Mature
Start the game with the "doom2 -turbo 250" command line to have your player in turbo for the entire game.
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