Engage your mind with a calming math grid puzzle. Fill the grid with numbers, applying operations to meet target answers for each row and column. Enjoy daily challenges or unlimited practice with helpful tools.






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Whether you want more options like Sum or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.






Engage your mind with a calming math grid puzzle. Fill the grid with numbers, applying operations to meet target answers for each row and column. Enjoy daily challenges or unlimited practice with helpful tools.












Engage your mind with this classic number puzzle game. It offers various difficulty levels for both casual entertainment and challenging brain training. Play offline and enjoy a timeless logic exercise.