One hex logic puzzle a day. Everyone gets the same one, and every puzzle has exactly one solution.
Tessera #N is the same for everyone — easy on Monday, hard on Sunday. Keep your streak and browse the archive.
Each clue counts the mines among its six neighbours. No guessing: every puzzle is proven unique before it reaches you.
Pick a difficulty from 1 to 5 and keep going. Hints explain the next step, and undo is always there.
No spoilers, just the number. Works offline. Free, supported by ads.