Today's daily set
The same puzzles for everyone, fresh every day.
Number games
Sums, codes and quick sums for people who like numbers.
Choose a game
Sudoku
Classic number logic in 4x4, 6x6 or 9x9. A new puzzle every day.
PlayCryptarithm
Letters stand for digits. Work out which, so the sum is true.
PlayKakuro
A crossword of sums: fill the digits so every run adds up.
PlayCalcudoku
Sudoku with arithmetic cages: add, subtract, multiply or divide to the target.
PlayEquation Scramble
The tiles of a true equation are mixed up. Put them back in any order that makes it true.
PlayEquation Guess
Like a word guess, but the answer is a true sum. One for number fans.
PlayMake 24
Make 24 from four numbers. Three levels, with a solver to show a solution.
PlaySpeed Math
60 seconds of mental arithmetic. Beat your best.
PlayCode Breaker
Crack a secret digit code from right-place and wrong-place clues.
PlayNumber Memory
Remember a growing string of digits.
PlayNumber Patterns
Work out the rule in a list of numbers and choose the one that comes next, with an explanation every time.
Play