Watch which tiles light up, then click them in any order once they go dark. Grids grow and flashes get shorter as you improve.
Complete number and shape sequences by picking the value that continues the pattern.
Solve arithmetic before the timer runs out. Answer fast for bonus points.
A row of shapes repeats in a cycle — figure out which shape comes next.
Tap only the target described on screen, as fast as you can, among decoys.
All challenge types appear in random order — the ultimate high-score test.