All Tests

Reaction Time

Measure how fast you react to visual stimuli. Click when the screen changes color.

Visual reaction speed and hand-eye coordination. Measures the time between stimulus and response.

Sequence Memory

Remember and repeat increasingly complex sequences. How long can you go?

Short-term visual memory and pattern recognition. Tests your working memory capacity.

Aim Trainer

Click targets as fast and accurately as possible. Precision under pressure.

Hand-eye coordination, precision, and rapid target acquisition. Core skill for FPS gaming.

Number Memory

Remember longer and longer number sequences. Challenge your digit span.

Verbal working memory and digit span. Measures your ability to hold numbers in short-term memory.

Verbal Memory

Identify words you've seen before. Avoid repeating or missing words.

Verbal recognition memory and lexical processing. Tests your ability to remember words over time.

Chimp Test

Can you beat a chimpanzee at memory? Numbers disappear after one look.

Photographic memory and spatial recall. Based on famous tests showing chimps outperforming humans.

Typing Speed

Type as many words as possible in 60 seconds. Accuracy matters.

Typing speed, accuracy, and muscle memory. Key skill for productivity and communication.

Hearing Test

Detect the lowest frequency you can hear. Test your auditory range.

Auditory perception and hearing range. Young people can hear 20Hz-20kHz, this decreases with age.

Visual Acuity

Identify the direction of the gap in increasingly smaller circles.

Visual clarity and detail perception. Similar to the Landolt C eye chart used by optometrists.

Visual Memory

Remember the pattern of white squares. Grid size increases each level.

Spatial memory and visual pattern recognition. Tests your ability to remember locations.