Every puzzle freshly generated. Never repeated. Built for focus.
Download on the App StoreEvery grid is generated on the spot and verified to have exactly one solution — never pulled from a repeating set.
Every puzzle has a 6-digit code. Share it with a friend to solve the exact same grid and compare times.
Notes, hints, undo, and an original ambient soundtrack designed to support quiet concentration.
Easy and Medium are free to play. Solve your way to Hard and Expert, or unlock everything with one purchase.
A responsive blueprint-style interface that adapts to any screen size and orientation.
Available in English, Korean, and Japanese, with more on the way.