Chimp Memory Benchmark

Numbered tiles will appear on the 5×4 grid.
How to play: Take all the time you need to memorize their positions. The moment you tap 1, all other numbers turn blank! Tap the remaining squares in order (2, 3, 4...).

🛡️ 100% Client-Side • Instant & Auto-Saved Locally

Chimp Memory Test (Visual Working Memory Benchmark)

🎯 Benchmarks

Test your photographic working memory against the Kyoto chimps. Memorize numbers before they turn blank, avoid 3 strikes, and view your global percentile.

⭐ 4.9/5 (151 votes)

⚡

Related Tools & Study Breaks

View All Tools →

⚡ Reaction Time

Test your visual reflexes down to the millisecond with standard and F1 Start Lights mode.

🖱️ CPS Test

Measure your click speed in 1, 5, and 10 second tests with competitive gamer tier badges.

⌨️ Spacebar Test

Measure your spacebar presses per second with live countdown, CPS gauge, and rank tiers.

The Science Behind the Kyoto Chimp Experiment

In 2007, cognitive scientist Tetsuro Matsuzawa and his team at Kyoto University pit humans against young chimpanzees in a numerical working memory task. The results stunned the global scientific community: young chimpanzee Ayumu solved number grids after viewing them for a mere 60 milliseconds (0.06 seconds) with 80% accuracy—a speed humans found anatomically impossible to match.

This research birthed the Cognitive Trade-Off Hypothesis: as our hominid ancestors developed sophisticated syntactic language and abstract symbolic reasoning, humans traded away photographic eidetic memory to free up neocortex computational resources.

Memory Tier Score Classification

Levels 4 – 6: Normal Standard human working memory baseline.

Levels 7 – 9: Superior Strong spatial chunking ability. Top 20% percentile of adults.

Levels 10+: Primate Mastery Near-photographic memory retention matching Kyoto University chimpanzees.

Frequently Asked Questions

Quick answers about controls, features, accuracy, and local browser saving.

What is the Chimp Memory Test?

The Chimp Test is a spatial working memory benchmark inspired by landmark cognitive research at Kyoto University. Scientists discovered that young chimpanzees (such as Ayumu) can memorize the positions of numbers in a fraction of a second and tap them in sequence with astonishing photographic recall.

How do the strikes work?

You have 3 strikes (lives). When you tap the wrong number square, the mistake is highlighted, and you incur 1 strike. After 3 strikes, the test concludes and calculates your official score and percentile rating.

How much time do I have to memorize?

You have unlimited time to memorize before you start! The numbers only turn blank the moment you tap number 1.

What is an average human score on this test?

Most adult humans can comfortably remember between 7 to 9 numbers, aligning with George A. Miller's cognitive theory of working memory ("The Magical Number 7 ± 2"). Reaching level 10 or higher places you in the top 10% of photographic working memory.

💬 Player Comments & Community Tips

Share your record high scores, game strategies, or helpful tips with fellow players.

Loading community discussion...