⚡ ReactionTest
A pure reaction-time measurement tool. Free, no ads, no login — play instantly on Bytecade Games.
How to Play
- Wait for the screen to change from red to green.
- Click (or tap) as fast as possible when the green appears.
- Clicking before the color change starts your reaction timer immediately.
- Your score is the time in milliseconds — lower is better.
- Click Start to begin a new round.