Millisecond visual RT with single, streak and random delay.
Reaction Test
Click anywhere to start
Cognitive Training Suite
From millisecond reaction to focus control — free reaction tests, aim drills and Schulte grids.
Click targets to train aim speed and accuracy.
Classic Schulte grid for visual span and focus.
How to start
- Pick a mode
- Click to start, wait for green, then click
- Review grade, stability and achievements
FAQ
Is my reaction fast?
Under 200ms is strong, 200–250ms average, 300ms+ slow. Pros often sit around 150–180ms.
Why slower on phone?
Touch screens add lag. Prefer PC + wired mouse.
Can I improve?
Ceiling is partly genetic, but focus and practice improve consistency.