One puzzle.
Every day.
Thursday, November 5 · A free, modern Sudoku for sharp minds.
How it works
- 1
One hard puzzle drops daily
A fresh Sudoku — the same for every player — appears each day at midnight UTC.
- 2
One attempt, keep your streak alive
Solve it in a single run. Come back each day to build (and protect) your streak.
- 3
Climb the leaderboard
Your solve time is ranked against everyone else's. Fastest minds rise to the top.
Tip of the day
A cell that sees eight different digits across its units must be the ninth — that's a naked single in disguise.
Learn to solve
All guidesHow Long Should a Sudoku Take? Average Times by Difficulty
Typical solve times by difficulty — and the habits that make you faster.
Is Guessing Allowed in Sudoku? What Expert Solvers Actually Do
Short answer: no — and here's why a well-made puzzle never needs a guess.
Why Your Sudoku Has No Solution (and How to Fix It)
A grid that can't be finished almost always means an earlier error. Here's how to find and fix it.
Or jump straight into easy, medium, or hard Sudoku.
Daily needs a free account · Practice is open to all.