Hit the time.
Blind.
A target time appears. Then an invisible timer runs. Stop it at the right moment — whoever's closest wins. No display, just your gut.
Three seconds of rules, an evening of drama.
No tutorial needed. You get it on the first buzz.
Memorize the target
Everyone sees the same time — say, 6.7 seconds.
Stop it blind
The timer runs invisibly. You buzz when you think the time is up.
Smallest deviation wins
Measured to the millisecond. Closest to the target takes the round.
Solo, around the table, or against the world.
Solo
Train your timing and chase your best deviation.
Classic
2–8 players, one device, buzz in turns. Pass the phone, go.
Knockout
Worst of each round is out. Keep your nerve to the end.
Collect, level up, show off.
Sparks
Earn Sparks every round and spend them in the shop.
Buzzer Pass
Seasonal rewards across 30 tiers — free and premium.
Daily Quests
Fresh objectives every day for bonus Sparks.
Achievements
Dozens to unlock — from first game to the perfect round.
Cosmetics
Themes, name effects, frames, confetti and win animations.
Worldwide
Player names in over a dozen languages — at home anywhere.
Quick match or private room.
Get matched against real players worldwide — or create a private room and share the code with friends. Synchronous, fair, and hosted on a dedicated game server in Germany. The server sets the target, collects every buzz and decides the round — no cheating.
How good is your timing?
Buzzer Knockout is coming soon to iPhone. Until then: practice counting those seconds.
Soon on theApp Store