Solvissima

Sudoku: learn, play, challenge.

New here? Sudoku in three sentences · How to solve a sudoku

Solvissima, free online sudoku

Solvissima is a free sudoku website, available in French and English. There is nothing to download and no account to create in order to play: open the page and the puzzle is ready. The site works as well on a phone as on a computer.

The levels run from Beginner to Expert, with an extra Extreme level for those who want to hit a real wall. Each one has its own page, and you can play as many puzzles in a row as you like.

Compete, learn, print

Every day, a timed daily challenge awaits you at each level: a single attempt, a time measured by the server, and a leaderboard to compare yourself with other players. An account is only needed to appear on it.

When a puzzle holds out, the fifteen solving techniques are explained step by step, from the naked single to the jellyfish. And if you prefer paper, printable puzzles are available, with their solutions.

No ads while you play. Printable puzzles · Glossary