mercutio

A premium reaction timer. Watch the animated shape — click the instant it turns green. Five rounds, global leaderboard.

by mercutio

Memorize a Lissajous figure — a parametric curve formed by two sine waves — then tune it back after it is scrambled. Drag horizontally to adjust the frequency ratio, drag vertically to adjust the phase. How precisely can you restore the original pattern?

by mercutio

A color memory game. Study a photo's tone for 5 seconds, then restore it after a color shift is applied — across 5 rounds. Scored on how precisely you match the original.

by mercutio