What it does

One rule set, every puzzle solvable by logic

Daily set — a 6x6 easy, 8x8 medium and 10x10 hard grid each day (UTC), identical worldwide, made on your device.
Always one solution — every puzzle is checked to have exactly one answer and can be solved without guessing.
Help when you want it — optional live error highlighting, one free hint per puzzle, and undo.
Practice mode — unlimited random puzzles in all three sizes.
Streaks and best times — keep your daily streak and beat your own times.
Share without spoilers — a times card for the group chat that never reveals the grids.

Pricing

Free

Free to download and use, with no account.

Privacy

Read the full privacy policy.

Support