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How to play SUDDO

SUDDO is played on a simple 9 by 9 grid just like Sudoku

Learn how to play SUDDO

Single player game

You can have hours of fun trying to beat your best time - and maybe become the fastest in the world.

How to play on your own

Playing with someone else

Playing with others can be really exciting - lots of tactics and gamesmanship involved as the game progresses.

Learn about the 2 player game

Playing with three others

Playing with three other people is probably best tried around a table with a single tablet

Learn about the 4 player game

Playing online

SUDDO can be played online or offline - finding players around the world and entering the global leader board

Learn how to play online

Who needs a mobile or tablet?

Find out how to play with paper and pencil

Make up your own game