Reaction Test 2.0
How fast are your reflexes?
In traffic, every millisecond counts. Play five rounds, beat your personal best and climb to the top of the leaderboard.
Level 10/100
100 XP to level 2
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Reaction Test
Ready for the test?
You'll play 5 rounds. Wait until the screen turns green, then react as fast as you can. Your average is your score.
Click or press space
Personal best
No record yet
Play a test and set your first record
Local leaderboard
The 10 fastest times on this device
No times yet. Play a test to open the leaderboard.
How does it work?
- 1Press start and wait calmly.
- 2The moment the screen turns green: click or press space.
- 3You play 5 rounds; the average is your score. Clicking too early doesn't count.
Why reaction time matters
Your reaction time is part of your stopping distance. At 50 km/h you travel almost 14 metres in a single second before you even start braking. A fast, focused reaction is literally life-saving — and a core part of hazard perception on the CBR exam.