Test your cognitive abilities
Small browser-based exercises inspired by humanbenchmark.com. Pick a test to begin.
⚡
Reaction Time
Click as soon as the screen turns green. Measures visual reaction time in milliseconds.
🔢
Number Memory
Memorize a number that gets one digit longer each round. How far can you go?
🐵
Chimp Test
Click 1..N in order. They hide after the first click — three strikes ends the game.
🟩
Sequence Memory
Watch squares flash on a 3×3 grid, then repeat the sequence. It grows each round.