Quantum Chess Uses AI

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The game where Paul Rudd beat Stephen Hawking. Chess where a piece can stand on two squares at once. Split, entangle and measure your way to checkmate. Owning it on Steam unlocks Cloud Chamber, a theme where every move leaves a vapor trail. The Remaster is free for owners of the original.

Developer: Quantum Realm Games
Released: 14 Mar 2025 (2017)
Price: $14.99
Platforms

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Players on Steam, last 48 hours

No player readings for Quantum Chess in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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Quantum Chess Uses AI

Players on Steam, last 48 hours

Players on Steam, last 48 hours

Players By Month

Quantum Chess Uses AI

Players By Month