Steady Beat
Follow a steady beat and input when the judgment line enters the window.
Keyboard · Mouse · Gamepad
Measure reaction, accuracy, tracking, spatial judgment, and multitasking with keyboard, mouse, or gamepad.
Reaction, aim, tracking, minimap, hand speed, typing, and time perception each have a standalone test and board.
Follow a steady beat and input when the judgment line enters the window.
The beat speeds up or slows down each time; keep correcting your input phase.
Read a continuous four-direction chart to test directional recognition, coordination, and resistance to accidental chords.
Strike the physical spacebar for eight seconds to measure burst SPS, sustained pace, and fatigue.
Enter a randomized silent interval and respond only when a short audio cue is actually heard; early inputs are recorded as false starts.