Genocide:Remixed Version differences compared to the original 1998 release:
- Higher quality ''True Color'' textures.
- Support for higher resolutions (up to 640x480), more graphics and control options, more cheats.
- Extended intro cinematic.
- In-game music track, more sound effects.
- No multiplayer support.
- Difficulty selection level was replaced by a difficulty selection menu. ''Genocide'' difficulty is not available.
- No ''Airducts'' level.
- No dynamic lighting.
- Player health, weapons and ammo are reset on beginning of each new level. Armor is time limited.