Snap
Tap Snap when the two symbols match. Do nothing when they differ.
Two symbols appear. React only when they match. This is recognition speed, not merely clicking when a light changes.
1 response so farEarly days — under 200, so the numbers still move
Not this one — next gameAdjusted, not raw: every missed match and every press on a non-match counts as a full 1,500ms. Pressing at everything cannot win.