move the yellow tiles piece and place them on the free spots.
Brain-teasing fusion of crosswords and number puzzles! Crack equations by slotting arithmetic symbols—addition, subtraction, multiplication, division—between digits. Each correct combo flips tiles vibrant green; wrong answers flash red. Strategize, shuffle, and experiment until the entire grid glows with victory. Tackle endless levels across five escalating challenges: casual mode for relaxed play, nightmare mode for number-crunching pros, and a secret "insane" tier for fearless math warriors. Perfect your logic, outsmart the grid, and turn every puzzle into a satisfying sea of green!
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