Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
Do you think solving puzzles is easy? "Inscrutable FourDC" is a game of extreme difficulty focused on one goal: deriving a 4-Digit Code (4DC). There is no time limit, but five wrong guesses will force you to the next problem. You will reach the ending—even if you fail to solve a single riddle.
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.
No authorized Steam key store lists this game right now.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
1 item on Steam, newest first.
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.
Demo Update NotesThe following fixes have been applied to the demo version:Improved mouse controlsFixed an issue where players could not return to the title screenPlease note that these issues do not affect the full version.Additionally, the demo has been rebu…