SPARK is a minimalist tap puzzle. Tap a dot to send sparks firing outward in four directions, lighting the dots they hit and flipping any already lit. 

Clear each puzzle by lighting the whole grid in as few moves as possible. 


Quick one-tap controls, 100+ escalating levels, undo and hints.

Standout: a calm, glowing, one-thumb brain teaser you can solve in seconds or optimize for a perfect score.