You've finished a puzzle and wondered: could anyone beat that time? Now you can find out.

Pencil notes, smart hints, auto-save. Everything a serious solver needs, and nothing they don't.
Mark candidates, then erase when confirmed
Get help when stuck, with cooldown
Instant feedback, learn as you play
Pick up where you left off
From solo practice to multiplayer battles
No ads. No paywalls. Join the SudoSquad community and compete in real-time Sudoku matches.