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All games

Ten classic logic and number puzzles. Every one has several difficulty levels, a daily puzzle, hints and an animated How to play.

Sudoku

Fill the 9×9 grid so every row, column and box has 1–9.

Levels: Beginner, Easy, Medium, Hard, Expert

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Killer Sudoku

Sudoku with no starting numbers, only cages that add up to a total.

Levels: Easy, Medium, Hard, Expert

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Diagonal Sudoku

Sudoku where both long diagonals also hold 1–9.

Levels: Easy, Medium, Hard, Expert

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Math Cages

Fill a Latin square so each cage hits its target with +, −, × or ÷.

Levels: Easy, Medium, Hard, Expert

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Kakuro

A number crossword: runs of cells add up to the clue, with no repeats.

Levels: Easy, Medium, Hard, Expert

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Nonograms

Shade cells from the number clues to reveal a hidden picture.

Levels: Easy, Medium, Hard, Expert

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Minesweeper

Uncover the board without hitting a mine, using the number clues.

Levels: Beginner, Intermediate, Expert

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Binairo

Fill with 0s and 1s: no three in a row, equal counts, no identical lines.

Levels: Easy, Medium, Hard, Expert

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Futoshiki

A Latin square with greater-than and less-than signs between cells.

Levels: Easy, Medium, Hard, Expert

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Suguru

Each region holds 1 to its size, and equal numbers can’t touch, even diagonally.

Levels: Easy, Medium, Hard, Expert

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Wordoku

Sudoku with nine letters instead of numbers. The letters spell a word.

Levels: Easy, Medium, Hard, Expert

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Hitori

Shade cells so no number repeats in a row or column.

Levels: Easy, Medium, Hard, Expert

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Nurikabe

Shade the sea so each numbered island has exactly that many cells.

Levels: Easy, Medium, Hard, Expert

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