Engage your mind with a pure logic number puzzle. Swap tiles to match target sums in distinct regions. Hundreds of handcrafted levels and daily challenges await, with global leaderboards to test your skills.





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Engage your mind with a pure logic number puzzle. Swap tiles to match target sums in distinct regions. Hundreds of handcrafted levels and daily challenges await, with global leaderboards to test your skills.












A unique puzzle game blending Sudoku and Nonogram mechanics. Players mark numbers on a grid to achieve correct row and column sums, using red to exclude numbers and green to include them. The goal is to make the external sum indicators turn green.