Solve daily puzzles by connecting groups of four words with a common theme. Complete 4x4 grids with logic and vocabulary skills. Track progress and challenge others in competitive play.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Allows users to play a logic-based puzzle game. Fill a 9x9 grid with numbers 1 to 9. Each row, column, and 3x3 subregion contains unique digits. Track mistakes and lose if exceeding three errors.
Solve puzzles with varying board sizes. Select from dark or color themes. Access daily challenges and casual mode. Track progress and play puzzles of different difficulty levels.
Solve puzzles with 9x9 grids divided into 3x3 blocks. Enter numbers 1-9 in empty squares. Check for valid moves and complete puzzles to qualify for Amazon.com Gift Card sweepstakes. View results and copy gift codes if won.
Play to solve grids combining mechanics and rules. Customize difficulty levels, track progress, and compete with global rankings. Share achievements and access hints when stuck.
Solve puzzles by arranging tiles in rows, columns, and 3x3 grids. Match Mahjong tiles to complete patterns. Clear levels by removing tiles strategically. Track progress and replay previous games.
Play puzzle by placing blocks on a grid. Clear lines of blocks or 3x3 squares to remove them. Compete to clear as many lines and squares as possible. Choose between portrait or landscape mode. Track high scores and attempt to beat them.
Play Mathdoku+ to solve and puzzles. Choose from 3x3 to 9x9 grids. Use check and hint features for assistance. Track progress through multiple difficulty levels. Develop reasoning, , and skills.
Solve puzzles by filling a 9x9 grid with numbers 1-9. Use logical deduction based on given clues. Adjust difficulty settings. Track progress and reset puzzles. Share completed grids.