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.
by Tim O's Studios, LLC★ 4.717,305 ratingsGamesFreeData updated 2026-09-09
Solve logic puzzles by filling sequentially in rows or columns. Choose from 5 difficulty levels and over 500 levels. Use the check function to highlight errors, enable automatic error highlighting, auto-save progress, and track times for each level.
Solve screw puzzles by matching colors to fill toolboxes. Rotate and layer wood boards to align nuts and bolts. Complete levels with increasing difficulty. Track progress through multiple challenges. Use touch controls to interact with game elements.
Solve word puzzles by filling grids with letters that form words horizontally and vertically. Rearrange letters to create valid words. Track progress and compete against other players.
The target number among colorful digits. Tap quickly to beat the timer. Track progress and set daily challenges. Improve focus and mental agility through simple, timed puzzles.
Play Sudoku by filling a 9x9 grid with numbers 1-9. Choose difficulty levels for puzzles. Complete rows, columns, and 3x3 boxes without repeating numbers. Track progress and solve challenges to improve brain skills.
Solve puzzles by moving arrows step by step. Clear paths to avoid losing energy points. Complete levels with 3 energy points. Features ASMR audio for relaxation. Track progress through multiple challenging levels. Adjust positions to solve each .
Solve by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 box contains unique numbers. Features include puzzle selection, difficulty levels, and hints. Track progress and complete logically without guessing.
Solve -based crosswords by dragging number tiles into grids. Complete equations with balanced rows and columns. Track progress and unlock new puzzles. Share scores with friends.
Pieces to create rows of three or more matching numbers. Rotate tiles to align numbers. Clear lines to score points. Challenge levels increase in difficulty. Track progress through multiple modes. Share achievements with friends.
Solve logic puzzles by painting squares in grids. Use row and column clues to determine block placements. Reveal pixel-art images as puzzles are completed. Features include multiple difficulty levels and progress tracking.
Solve logic puzzles by filling grids with blue and yellow colors. Follow rules to balance colors in rows and columns. Use equal signs for matching colors and X for opposite colors.
Solve puzzles by dragging pieces to fill blanks. Complete rows or columns to eliminate blocks and earn points. Access 2000+ free puzzles and 50+ new puzzles weekly. Track progress and play for mental exercise.
Solve 6x6 with grids containing digits 1 to 6. Fill rows, columns, and 2x3 boxes without repeating numbers. Track progress and attempt to complete in minimum time.
Solve puzzles by connecting adjacent letters to form words. Fill the grid with correct answers. Use monster hints to reveal first letters. Track progress through multiple levels.
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.