Last 7 days ยท history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
Loading from Steamโฆ
Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
Checking other storesโฆ
Loading from Steamโฆ
Live from Steam
Loading reviews from Steamโฆ
Free on Steam. The demo has its own app, so its players are counted separately.
"Prime Prism" is a pure logic puzzle game themed around prime numbers and factorization. Construct circuits of light using optical tools like "Prisms" and "Lenses" to decompose and synthesize numbers. Over 140 stages across 11 worlds await your challenge.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
No authorized Steam key store lists this game right now.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
This mini-update improves several UI elements and makes progression and stage information easier to understand.ChangesImproved the notification shown when a new world is unlockedIncreased the displayed difficulty ratings of World 1 stages 10, 11, and 12This onโฆ
We have released a minor update today.Tool AdjustmentsRemoved the input direction requirement for the Exciter and Attenuator. This eliminates the need for rotation, improving overall usability.Stage Adjustments and ChangesIncreased the puzzle difficulty and adโฆ
I've just updated the demo with 4 additional stages in World 1 and World 2.The two new levels in World 2, in particular, are designed to be a bit of a challenge for the early game. If you are looking for a quick logic test, give them a try.
Prime Prism is now available on Steam.Prime Prism is a mathematical puzzle game built around numbers, logic, and prime factorization. Using a limited board and a set of optical tools, your goal is to transform the values emitted by an Emitter into the target vโฆ
The release date for Prime Prism has been set for July 21, 2026.Prime Prism is a puzzle game about prime factors, numbers, and logic. Using a limited space and a set of tools, your goal is to transform the number emitted by an Emitter into the target number reโฆ