Play with four difficulty levels and tutorial guidance. Solve puzzles using notes, undo/redo, and auto-note features. Color squares with two colors for advanced strategies. Check for errors manually or automatically.
Play a brain-training game where players same-colored with lines without crossing different colors. Complete all connections to win. Save eye strain with customizable themes and backgrounds. Access over 10,000 levels for varied challenges.
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.
Solve classic and 35+ including Killer, Diagonal, and Sandwich . Customize difficulty levels. Track progress and review solutions. Share puzzles via social media.
Solve Sudoku puzzles with 6 difficulty levels. Edit numbers, highlight clues, and track progress. Undo moves and check for errors. Sync puzzles across devices.
The app offers over 25,000 Sudoku puzzles with four difficulty levels. It includes unlimited undo/redo support and the ability to input any Sudoku game manually.
Solve puzzles set in museum environments featuring artwork by Klee, van Gogh, Matisse, and others. Complete puzzles to reveal artwork details. Access level 1 for free; higher levels require upgrade. No ads.
Play with pencil and interface. Use Apple Pencil for writing and erasing. Auto-fill notes on demand. Solve puzzles with interactive solver mode. Add pencil marks and highlights. Check for errors with one click.
Game allows users to play classic 9x9 puzzles. Fill grids with digits 1-9 without repeating in rows, columns, or 3x3 boxes. Choose difficulty levels. Track progress and reset puzzles. Share completed grids.