Circle
Minimal reflex · speed challenge. A free online reaction game that tests your speed and rhythm.
How to play
Rings keep appearing on screen — tap one before it vanishes to score. They appear faster and faster, and missing or mistapping ends the run. The further you go, the faster the pace.
Features
- One-hand play, instant start, a round takes only seconds;
- No download — works with touch and mouse;
- Family-friendly, perfect for short breaks.