Your senses vs reality.

Fast perception games. Instant truth.

Play NowChallenge a Friend
No signup required to try.Fast rounds (3–10 seconds).Instant scoring.

How it works

▶

Start a round

Jump into a quick 3–10s challenge.

👁️

Trust your senses

React fast and intuitively.

⚡

See your score instantly

Immediate feedback and ranking.

Solo Mode

Train your perception and beat your personal best.

  • •Fair randomized rounds
  • •Personal best tracking
  • •Quick rounds
Explore Solo Mode →

Versus Mode

Same round. Same stimulus. Closest wins.

  • •Fair randomized rounds
  • •Instant winner reveal
  • •Rematch button
Explore Versus Mode →

Featured games

Rolling Balls

Estimate how many rolled by.

Number
3–10s

Flash Count

Count quick pulses under pressure.

Number
3–10s

Collision Moment

Press NOW at the impact moment.

Timing
3–10s

Odd Glass Fill

Guess the fill percentage by area.

Number
3–10s

Play. Improve. Dominate.

Daily streaks, personal bests, and short sessions that keep you coming back. Beat your friends—or the world.

  • • Daily streaks
  • • Personal best tracking
  • • Quick rematches
Try Versus →
Global leaderboard
  1. #1
    nova_player
    Flash Count
    98.4%
  2. #2
    blink_master
    Collision Moment
    96.1%
  3. #3
    glass_eye
    Odd Glass Fill
    95.7%
View full leaderboard →

“Way harder than it looks. Addictive.”

— Ana, casual competitor

“Perfect 30-second brain flex.”

— Marcus, daily player

“Versus mode is chaos in the best way.”

— Priya, friend challenger

Ready to test your sharpness?

Play NowChallenge a Friend
Fast, fair, and designed for quick rematches.