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Multiplayer mods for DOOM 3

MPShift lists 3 multiplayer mod projects for DOOM 3. Compare Online multiplayer, LAN, player counts, development stages and links to the original projects.

3 projects listed

Listed multiplayer mod projects

  1. Last Man Standing Coop

    Shown first by catalog status – not a stability test

    Co-op campaign conversion plus a separate survival mode for the original DOOM 3.

    ReleasedPublicly availableFrom 2 players; maximum not confirmedOnline multiplayerLauncher support not confirmed

    For the original DOOM 3 and Resurrection of Evil, not BFG Edition. Historical release remains listed; current systems and maximum player count were not practically tested.

    Source last checked: 2026-10-24
  2. OpenCoop

    Adds cooperative play to the original DOOM 3.

    ReleasedPublicly available2–4 playersOnline multiplayerLANLauncher support not confirmed

    Historic mod for original Doom 3 builds; not necessarily BFG Edition.

    Source last checked: 2026-10-24
  3. LibreCoop (dhewm3)

    Cooperative original campaign through the dhewm3 source port.

    AlphaPublicly availableFrom 2 players; maximum not confirmedOnline multiplayerLauncher support not confirmed

    Requires dhewm3 and your own game data. Public alpha builds; cinematics and Resurrection of Evil support have known limitations. Not a BFG Edition mod.

    Source last checked: 2026-10-24

Information is based on public project sources, not hands-on game testing. Availability and compatibility can change. MPShift does not host mod files.