Reflex: reaction time test
The reaction time test: wait for green, then tap as fast as you can. Measure your reflexes in milliseconds and compare yourself with other players.
Play ReflexFree, zero ads, no sign-up, on mobile and desktop.
How to play
Wait for the zone to turn green, then tap as fast as you can. Beware of false starts!
What this game trains
- Processing speed and reflexes: perceive and react as fast as possible.
- Inhibition and flexibility: resist the automatic reflex to give the right answer.
Levels
Easy · Hard · Expert · Hardcore — each level has its own leaderboard.
Challenge your friends
At the end of a game, send your score as a link: your friend plays exactly the same game and you compare your times. There is also a daily challenge and tournaments.