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Quantum Chess Uses AI 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.
Positive Now
64%50 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Last 12 Months
64%+2 pts on 62% since launch
Reviews Last Month
1October 2026, −8% on the 12-month average
Reviews And Players By Month| Month | Positive | Negative | Average players |
|---|---|---|---|
| October 2026 | 1 | 0 | 0 |
| August 2026 | 1 | 0 | — |
| October 2025 | 1 | 1 | — |
| June 2025 | 0 | 1 | — |
| July 2024 | 0 | 1 | — |
| March 2023 | 1 | 0 | — |
| October 2022 | 0 | 1 | — |
| May 2022 | 0 | 1 | — |
| March 2022 | 2 | 0 | — |
| February 2022 | 1 | 0 | — |
| January 2022 | 1 | 0 | — |
| November 2021 | 1 | 0 | — |
| October 2021 | 0 | 0 | — |
| June 2021 | 1 | 1 | — |
| April 2021 | 1 | 2 | — |
| March 2021 | 2 | 0 | — |
| January 2021 | 0 | 0 | — |
| December 2020 | 0 | 2 | — |
| November 2020 | 1 | 0 | — |
| August 2020 | 0 | 1 | — |
| April 2020 | 1 | 1 | — |
| March 2020 | 1 | 0 | — |
| January 2020 | 0 | 1 | — |
| November 2019 | 1 | 0 | — |
| July 2019 | 1 | 0 | — |
| March 2019 | 1 | 0 | — |
| February 2019 | 2 | 0 | — |
| January 2019 | 0 | 1 | — |
| March 2018 | 1 | 0 | — |
| January 2018 | 1 | 1 | — |
| September 2017 | 1 | 0 | — |
| June 2017 | 1 | 0 | — |
| April 2017 | 1 | 0 | — |
| March 2017 | 1 | 0 | — |
| February 2017 | 1 | 0 | — |
| January 2017 | 4 | 3 | — |
| December 2016 | 1 | 2 | — |
Review SentimentReview ScoreSteady at 64% positive since 21 Oct 202650 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count
Notable Months| Notable | Month | Reviews | Positive |
|---|---|---|---|
| Busiest month | January 2017 | 7 | 57% |
Best and worst counts months with at least 50 reviews.
