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.
5.0(1 ratings)
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Best games like Sum-Squares
10+ similar games compared and reviewed
4.7 avg rating
10 free games
Updated August 2026
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.
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Engage your mind with a logic puzzle that combines arithmetic and number matching. Solve handcrafted grids, complete daily challenges, and track your progress. Relax with a clean design and calming sounds while sharpening your brain.
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Sudoku Game - Number Puzzle
Classical number puzzle games
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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.
Classic Sudoku puzzlesMultiple difficulty levelsBrain training exercises
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Kakuro Challenge - Cross Sum
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Engage your mind with a classic number logic puzzle. Solve crosswords with numbers where each sum must match the clue, and numbers can only be used once. Explore a new variant with dots indicating adjacent number differences.
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This is a logic puzzle game where you fill a grid with numbers based on specific rules. It offers a variety of handcrafted puzzles with different difficulty levels and unique challenges, including numerous rule variants.
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