Scientifically designed tests for reaction time, memory, aim precision, typing speed & more. Track your scores, beat your best, and compare with users worldwide — 100% free.
Each test targets a specific aspect of cognitive performance. Results are instant.
Measure how fast you respond to a visual stimulus. Average human reaction time is 273ms — can you beat it?
A 3×3 grid lights up in a pattern. Reproduce it. Each round gets longer. How far can your working memory go?
Type the passage as fast and accurately as you can. Live WPM, accuracy and 60-second timer all tracked in real-time.
Click 30 targets as quickly as possible. Benchmark your mouse accuracy and speed against global averages.
Remember an increasingly long sequence of digits. Most people max out at 7–8. World record is 240. Where do you fall?
Words flash one at a time. Decide: have you seen it before? Keep as many words in short-term memory as possible.
Memorize which squares in an expanding grid were highlighted. Tests spatial and visual short-term memory simultaneously.
Numbers flash briefly on screen. Tap them in ascending order. Chimpanzees consistently outperform humans. Can you?
Simple, fast, and science-informed. No signup required.
Choose from 8 cognitive benchmarks covering reaction time, memory, accuracy, and processing speed.
Follow on-screen instructions. Tests are short — most take under 2 minutes to complete a full run.
Get your result instantly with a percentile ranking compared to global averages based on real user data.
Repeat tests over time and watch your cognitive performance improve through consistent practice.