Alternate Universes are Traitor Game canonical universes where a stable, group, or series of characters all reside and share similar histories.
Some prominent alternate universes present in the Games include:
- Al'sgard, created by Indigo Al, served as the locale for Traitor Game X: I'll Take Valhalla!
- MC-217 Universe, created by Chris Lang
- Variant Buffyverse, created by tangentman
- Variant Marvel Universe, created by The Purple Skull, served as the locale for The Comic Universe Traitor Game!, Traitor Game II, IV, VI, XII, and XXV.
- A variant of Neon Genesis Evangelion where Shinji Ikari controls NERV for the purpose of world domination instead of the HiP, used to torment other players by Radioactive Zombie for being terrible and crappy.