EveryMemoryLight Chase
Tap the lit cell and chase the light around a 3x3 grid for 30 seconds. A free, fast reaction game in your browser.
⚡ Quick answer
Light Chase is a browser game where you tap the single lit cell on a grid and immediately chase the next one that lights up. It is a fun, self-relative reaction check scored by hits in 30 seconds - compared only to your own past runs, and it is not a medical or cognitive test.
Key takeaways
- Free 30-second reaction game in your browser, no sign-up
- Tap the lit cell and chase the next light around a 3x3 grid
- Score is hits in 30 seconds; best is saved on your device
- A self-relative reaction check, not a medical or cognitive test
Light Chase lights up one cell on a 3x3 grid. The instant you tap it, the light jumps to a new cell, and you chase it for 30 seconds. The faster and more accurately you tap, the higher your hit count. Play it above.
It is free, needs no sign-up, and your best hit count is saved on your device.
How to play
The rule is simple and the pace is yours to push.
- Tap Start to begin the 30-second sprint
- Find the single lit cell on the grid
- Tap it - the light instantly jumps to a new cell
- Chase as many lights as you can before time runs out
No account needed and your best hit count stays on your device.
What it trains
Chasing a moving target is a quick reaction and hand-eye workout.
- Reaction speed
- Hand-eye coordination
- Quick visual scanning
Honest note: you mostly get better at this exact game, and it is not an IQ measure or a diagnosis.
Tips for more hits
Smooth beats jumpy when the light keeps moving.
- Keep your finger hovering near the center of the grid
- Move your eyes to the new light before your hand
- Do not over-tap empty cells - only the lit one counts
The honest way to read your score
Your best hit count is a personal benchmark that shifts with focus and energy. The only fair comparison is you versus your own past sprints.
For a single-target version, try the reaction time test, or add a choice with the choice reaction test.
⚠ When to talk to a professional
This is a fun self-check, not a medical or cognitive test, and if you have real concerns about reaction speed please speak with a qualified professional.
