Fast brain tests.
Track your progress.

A modern cognitive benchmark platform inspired by psychology experiments. Built for smooth gameplay, progress tracking, and honest statistics.

Visual Reaction Speed

React to a sudden white flash and track your median response time.

Click each symbol once while the board reshuffles after every choice.

React to a short beep and compare sound-based response speed.

React to different signals with different keys or actions.

Remember whether the same squares lit up after a short delay.

Track and repeat sequences of positions in space.

Switch between changing rules while keeping speed and accuracy.

Remember symbols in order, then click them back in the same sequence.