Find the Rule

Elusis, a card game invented by Robert Abbott in 1956 to explore the psychology of insight and scientific discovery, became the prototype for Ruler. We removed all the unnecessary stuff, added more variety and made Ruler the friendliest puzzle game on the play market.
The development of inductive thinking is included!

With simple, intuitive gameplay and dozens of hand-drawn maps, Ruler will change the way you think about puzzles.

- 50+ rules
- 6 decks with unique cards
- In-game achievements and leaderboards