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Quantum Chess

64% positive of 50 Steam reviews

Released: 2025
Steam Deck: Not tested
Platforms: Steam

Made by Quantum Realm Games.

About the game

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.

Tagged by players

Tabletop
Strategy
Chess
Casual

What players say

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Mixed

What players say

Recommended
Quantum Chess takes the familiar foundations of traditional chess and reshapes them around ideas inspired by quantum mechanics. Instead of simply introducing unusual pieces or alternative board layouts, it changes one of chess's most fundamental assumptions: that every piece occupies a definite position. Developed and published by Quantum Realm Games, the game uses concepts such as superposition and entanglement to…
10 h played when written. 2 found it helpful.
Read on Steam
Not recommended
The ideas behind this are definitely cute and worthy of exploration. But the product isn't it. First, the AI is so bad you can consistently win in 6 moves. Try it. 1. e4 Nf6 2. e5 Nd5 3.Bf1 Nf4 4. Qf3 Ng6 5. Bxf7 Kxf7 6. Qxf7 1-0. This is a combination of: 1. The AI is really, really bad. Maybe 800 Elo or something. 2. The AI (apparently) always does the same move in a given situation, no randomization (which is…
43 h played when written. 111 found it helpful.
Read on Steam

All reviews on Steam