Fill the grid
Nine numbers, no repeats, in every row, column and 3×3 box. Pick how you want to play — the grid is the same, the pressure isn't.
Game modes
Daily Grid Done today
Same seeded puzzle worldwide, one shot a day. Log your time.
Duel Bot
1v1 vs the machine — claim your half of the empty cells first.
Timed Practice
45 seconds, as many grids as you can. Chain solves for streaks.
Solo Practice
No clock, no pressure. Three difficulties, best times saved.
Friend 1v1
Coming soon — private rooms arrive with the live API.
Random Match
Coming soon — get matched with a stranger instantly.
Difficulty · applies to every mode
Global Daily Grid
Ends in --:--:--
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How it works
1Every row, column and 3×3 box holds 1–9 exactly once
2Paper cells are fixed clues — everything else is yours to place
3Pencil marks let you note candidates; toggle Notes (✏) to jot them
4Duel: you and the bot each own half the empty cells — first side done wins