Ten levels in every game, from first steps to Grandmaster.

Start any game now, no account needed. Solve 3 puzzles to pass a level and open the next. Levels 8 to 10, Expert, Master and Grandmaster, are built to stretch strong players, fairly.

Play Sudoku Level 1 Browse all games

Try it: fill the 4×4 grid so each row, column and box has 1 to 4. This is Sudoku Level 1.

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Sudoku Fill the grid so every row, column and box holds each digit once. Level 1 free
Maze Find the way from the entrance to the exit; later, collect keys and plan your route. Level 1 free
Minesweeper Reveal every safe square using the numbers. Every board here is solvable without guessing. Level 1 free
Nonogram Use the number clues to fill the grid and reveal a hidden pattern. Level 1 free
2048 Slide and merge tiles to reach the target. Each challenge uses a fixed, published spawn rule. Level 1 free
Word Search Find every listed word hidden in the letter grid. Expert levels give clues instead of words. Level 1 free

Arriving next

Eight more games are being built and tested to the same standard: every board checked by a solver before it is published.

Kakuro Cross-sum logic: fill runs so they add up to their clues without repeating digits. Coming soon
15 Puzzle Slide the numbered tiles back into order. Coming soon
Sokoban Push every box onto a target. You can push, never pull. Coming soon
Lights Out Turn off every light; each press toggles a pattern. Coming soon
Word Scramble Unscramble the letters to match the clue. Coming soon
Word Guess (Hangman) Find the answer from its clue before your misses run out. Coming soon
Five-Letter Guess Find the hidden five-letter word from coloured feedback. Coming soon
Crossword Original mini to full-size crosswords, ending in fair cryptics. Coming soon

How it works

Free: Every game, Level 1 onwards. Pass a level by solving 3 different puzzles at it, and the next opens. Replays are unlimited.
Hints: A strategy guide is always free. 3 step-by-step hints a day, shared across games. A hint only costs a credit when it actually helps.
Premium: No ads, any level open straight away, unlimited hints, the full archive and extra themes. US$3.99 a month or US$29.99 a year. It never buys badges: those are earned.