Processing speed
How fast you turn a signal into an action is a core component of cognition — psychologists call it processing speed.
Free brain game
Reaction Time Test
Wait for the panel to turn green, then click as fast as you can. Five rounds — we average your reflex speed in milliseconds.
Round 1 of 5Best: —
What this game trains
Alertness & attention
Staying primed for an unpredictable cue without jumping the gun is a real test of sustained attention.
Part of the bigger picture
Processing speed is one of the abilities a full IQ test weighs alongside reasoning and memory.
This mini-game is for training and fun — your reaction time is not an IQ score.
Ready for the real challenge?
The reaction game is just a warm-up. Take the full iqmetria test to get your IQ score and percentile.
Take the IQ test →