Dual-Track Harmony
Cues alternate between the left and right tracks; choose the currently lit track.
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.
Cues alternate between the left and right tracks; choose the currently lit track.
Keep a cursor inside a moving safe zone while independently pressing Space only when an even number appears.
Move a physical cart left and right to keep an unstable inverted pendulum inside the upright zone.
Survive an arena where projectiles enter continuously from all four edges at changing angles.