A logic puzzle game where you fill a grid with numbers. Numbers in rows and columns must be unique. Special dots indicate relationships between adjacent numbers, requiring them to differ by one or half.






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A logic puzzle game where you fill a grid with numbers. Numbers in rows and columns must be unique. Special dots indicate relationships between adjacent numbers, requiring them to differ by one or half.




Engage your mind with a challenging pencil-based puzzle game. Explore over 10,000 levels of intricate designs. A manual is included to guide you through the rules.






This is a logic puzzle game that enhances mental flexibility with beautiful graphics. It offers dual keypad entry, multiple puzzle sizes and difficulty levels, and online leaderboards for competitive play. An error checker helps catch mistakes early.