Puzzles worth gathering for.
Photo — Antoine Dautry, UnsplashA daily brain-teaser, a collection of logic puzzles machine-checked to have exactly one solution, and hidden-role party games for four to ten friends — no board required.
Today
Daily — Arithmetic: 13 + 8 - 11 + 5 × 3
One puzzle, one day, a shared leaderboard. No account needed to try it.
The Collection
Browse the archive
Logic grids, zebra puzzles, knights & knaves — the shelf shows solver-verified puzzles by default.
Game night
Open a room
A round of Werewolf with 4–10 friends: share a code, keep your role secret, talk it out.
An account keeps your streak, your solve times, and your place on the leaderboard.