Doom 3

Download This is an open source co-op mod for dhewm 3 that supports both the base game and the Resurrection of Evil expansion. LibreCoop Alpha 1.2 features: Videos partially work (some bugs still need to be fixed); PDA; the opportunity to go thro ...

Download The Mars City Security mod adds co-op: in addition to playing through the campaign together, players can compete in several classic multiplayer modes. In its current state, the mod only adds the ability to complete PvE missions, and a full-fledged ca ...