Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Solve sudoku puzzles by filling grids with numbers following sudoku rules and region sum constraints. Enter notes with a dedicated key. Adjust puzzle difficulty and track progress across multiple games.
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 puzzle game with drag-and-drop mechanics on an 8x8 grid. Clear rows or columns to eliminate blocks. Choose from multiple free themes. No internet required. All content is free with unlimited upgrades.
Play 20 training games with over 100 levels. Solve puzzles, math problems, and logic challenges. Track progress and improve focus and mental performance. Includes word games, shape math, and history quizzes.
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.
Place blocks on a 9x9 to columns, rows, or squares and clear the board. Avoid filling the board to prevent game over. Compete with friends and track high scores. Play for free.
Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.
Play American Bingo using 5x5 matrix cards with 24 random numbers and one central marked square. Mark numbers as they are called and complete patterns like lines, diagonals, or corners to win.