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Multiplayer mods for Portal 2

MPShift lists 1 multiplayer mod project for Portal 2. Compare Online multiplayer, player counts, development stages and links to the original projects.

1 project listed

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Listed multiplayer mod projects

  1. Portal 2: Multiplayer Mod

    Expands private Portal 2 sessions beyond two players and supports co-op and single-player campaigns.

    ReleasedPublicly available2–33 playersOnline multiplayerSteam

    Only the host installs the mod. The author lists 33 as a technical player cap; MPShift has not load-tested it. Single-player campaign support has minor limitations.

    Source last checked: 2026-10-24
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Information is based on public project sources, not hands-on game testing. Availability and compatibility can change. MPShift does not host mod files.