Spuzdoku
PuzzlesSpuzdoku is a free online number grid (sudoku style) where you pick a 6 by 6 or 9 by 9 board, then place every number once in each row, column and box.
No sign-up. Play as a guest.
The rule
Every number once in each row, column and box. Pick a 6 × 6 or 9 × 9 board.
How to play Spuzdoku
- Open Spuzdoku on SPUZL in any browser. No download.
- First time? A short practice round with free hints shows you how.
- Every number once in each row, column and box. Pick a 6 × 6 or 9 × 9 board.
- Tap a cell to cycle its marks, drag to mark several. Keyboard: arrows move, Space cycles, Enter confirms.
- Stuck? Up to 3 hints a puzzle, each one safe next step.
- Fastest clear wins. Fewer hints, then fewer mistakes, break ties.
Ways to play
- Free play: play any time, as often as you like.
- Levels: an endless ladder that gets harder in waves, with a boss level every fifth level.
- Duel: race a friend live on the same puzzle, best of three.
- Party: open a room, share the code and race up to 10 players at once.
Spuzdoku questions
Is Spuzdoku free to play?
Yes. Spuzdoku is free on SPUZL, with no download and no ads. Nobody can pay to win.
How long does a game of Spuzdoku take?
About 3 min for most players. Free play never runs out, so you can play again straight away.
Do I need an account to play Spuzdoku?
No. Tap Play, give your birth month and year, and you play as a guest. Sign in later with an email code or Google to keep your progress on any phone.
How many levels does Spuzdoku have?
The levels never run out. They get harder in waves of five, and every fifth level is a tougher boss level. Each level is the same board for everyone.
Can I play Spuzdoku with friends?
Yes. Duel a friend live on the same Spuzdoku puzzle, best of three, or open a Party room and race up to 10 players at once.
