Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
Solve color-based nonogram puzzles by filling squares to reveal hidden images. Use numbers above columns and left of rows to determine color placements. Adjust colors to match clues and complete each puzzle.
Play a logic game by dragging blocks to create rows or columns that sum to 10. Earn scores by completing sets. Use a magic hat for hints. Customize blocks with different skins.
Play a turn-based game on 3x3, 4x4, or 5x5 grids. Two players or single-player against a computer take turns marking spaces. Win by aligning three marks horizontally, vertically, or diagonally. No paper required.
Play a grid-based puzzle where the objective is to place following specific rules. Each row, column, and color region must contain exactly one crown, and cannot be placed in adjacent cells.
Solve math puzzles by adjusting lit numbers to match row and column totals. Customize difficulty levels. Track progress and compete with others. Share achievements on social media.
Play against real players in online multiplayer or local 2-player mode. Single-player mode allows solo play. Tap to place symbols on a grid to form three in a row. Choose from colorful themes. Track Game Center achievements. Suitable for all ages.
Play Block by dragging shapes to fill empty spaces. Eliminate rows or columns of blocks to score points. ends when no space remains for new blocks. No time limit.
Play by filling a 9x9 grid with numbers 1-9 without repetition in rows, columns, or 3x3 blocks. Choose from multiple difficulty levels. Track progress and solve puzzles to improve logic and concentration.
Play puzzle games by placing on a grid to form shapes and solve challenges. Choose from themed levels with varying difficulty. Unlock all original levels and access 480 new themed puzzles. Track progress and revisit completed puzzles.
Play logic puzzles by filling 10x10 grids with 0s and 1s. Ensure each row and column has equal numbers of 0s and 1s. Avoid three identical numbers in a row. Earn points by solving grids efficiently. Use time-based multipliers for higher scores.
Play real-time combat where two knights clash with swords using card-based actions. Customize knights with levels and items. Compete in ranked matches based on skill and gear. Collect and upgrade cards to enhance combat abilities.
Solve puzzles by interpreting row and column clues to fill grids. Complete puzzles to reveal pixel art images. Track progress and unlock new puzzles daily. Adjust difficulty settings to challenge yourself.
Solve placement with 2 rules: each row, column, and region has exactly 2 stars; no stars can touch, including diagonally. Track progress and access from KrazyDad, featured in the New York Times.
Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or 3x3 blocks. Choose from six difficulty levels. Track progress and restart puzzles. Share completed grids via social media.
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.