AI Summary

Sledgehammer Games, known for Call of Duty titles such as World War II, Vanguard, and Modern Warfare 3, was reportedly approached by Xbox to develop a Halo multiplayer game. The studio worked on a prototype, but the project never progressed beyond that stage. The information comes from a video by YouTuber Rebs Gaming, which followed earlier speculation from Windows Central that Xbox might want Activision to create Halo games. No further details about the prototype or reasons for its cancellation were provided.

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