v1
Change Detection
Squares flash, then come back with one colour changed. Tap the one that changed. Each round adds a square.
No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit
Squares flash, then come back with one colour changed. Tap the one that changed. Each round adds a square.
No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit