Lightning Reflex: free online game
The extreme reflex test: fast rounds, an unpredictable signal and false starts that cost you dearly.
Play Lightning ReflexFree, zero ads, no sign-up, on mobile and desktop.
How to play
Lightning rounds: green comes fast and without warning. A false start costs you.
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.