Race someone in real time.
Quick-match a stranger or send a friend a code. Same stimulus, same moment, fastest reaction wins the round.
Sign in to duel
New here? Try solo training first. No sign-in needed.
Cross-platform
Web, iOS and Android play each other. Your opponent doesn't need the same device.
Round by round
Every round is scored on its own, with a running tally and a rematch at the end.
Friends or strangers
Public quick-match, or a private room your friend joins with a code.
Want to throw real punches?
Browser duels run in tap mode. The apps read a real strike with your phone's accelerometer, or an Apple Watch on iOS.
