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Reaction Time Test: Reaction Duel
Tap the moment red turns green. Who's fastest? Jump the gun and it's a false start 😱
How to play
- Tap Play now and it opens right in your phone or desktop browser.
- Tap the 🌐 chip at the top to make it a friends room, then invite people with the 🔗 link or the QR code. They join without signing up.
- Be first to tap when it turns green. Solo, it shows your average and best time in ms.
- A round takes about 10 seconds. Then go again!
Great for
- Friendly duels
- Testing yourself
- Warm-ups
FAQ
Do I need to sign up or download anything?
No. Open the link and it starts right in your phone or desktop browser.
Is it free?
Yes, every game is free.
How many people can play together?
A friends room holds up to 10 people. For a bigger event, email [email protected].
Does it work in English?
Yes. Even in the same room, each phone shows its own language (English or Korean).
⚡ Reaction Speed
▶ Play solo now