Microsoft has developed an innovative tech demo featuring an AI-generated version of Quake II, a classic first-person shooter originally released in 1997. They used their Muse AI tool, which was showcased earlier in 2025 as something that can make game visuals and simulate gameplay. The demo represents an evolution of this technology, showcasing a real-time, playable version of Quake II where every frame is generated on the fly by the AI. The Muse tool, built with help from Ninja Theory (a team that works with Xbox), was taught using Quake II info to bring the game back to life. Unlike