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.
"Rule" is a survival raiders decryption game with "rules" as the core gameplay. Use the various powerful items and "rules" in the level to build your own style of challenge combinations. Each "rule" is a puzzle. Please play with caution.
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.
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.
BUG fix
New rule decryption mode, decryption gameplay as the core of the game mode. The game generates 14 rules, one of which is a rule puzzle for the current level. The gameplay is simple, players need to find the right rules.
BUG handling
Interface style adjustment
BUG fix
BUG fix