Reaction Game

Test your reflexes with a Three.js visual cue

Idle
Click the box or press SPACE to start
Click here or press SPACE to start
⚠️ Too early! False start.

How to Play

  • 🖱️ Click the box or press SPACE to start.
  • 🟠 Watch the 3D shape glow orange while you wait.
  • 🟢 When it turns green and the center pill says GO, react!
  • ⚠️ Clicking before it turns green counts as a false start.
  • 📊 Your last time, best time, and average update live below.

Reaction Time Guide

⚡ Amazing< 200ms
🎯 Very Good200–250ms
✅ Good250–300ms
👍 Average300–400ms
🐌 Below Average> 400ms
0ms
Last reaction
Complete a run to see your rating.
0 Attempts
- Best Time
- Average