Plutonium

A community-made multiplayer client for the PC versions of Call of Duty: World at War, Black Ops, Black Ops II and Modern Warfare 3. It adds a dedicated server browser, its own anti-cheat and modding support, and checks that players own the game.

Project information checked Nov 5, 2026. Independent from the original publisher.

Getting started

Start from the Plutonium website and follow its documentation. You need your own Steam copy of the game you want to play; Plutonium does not distribute the games.

Official website GitHub Discord

Status source checked Nov 5, 2026. “Playable” describes the release advertised by the project. We have not independently tested gameplay or server uptime.

Associated games

Call of Duty: World at War →
Original game status: Unknown

Call of Duty: Black Ops →
Original game status: Preserved

Call of Duty: Modern Warfare 3 (2011) →
Original game status: Unknown

Call of Duty: Black Ops II →
Original game status: Preserved

Project updates

No release updates have been added to this directory. Visit the project website for its current changelog.