What is ChimpTest?
ChimpTest is a free memory game inspired by the famous Ayumu chimpanzee study. Numbers flash on the screen, then turn into blank squares, and you have to tap them back in the right order. The game starts easy and gets harder as you clear each board, so you can test how well you track visual patterns under time pressure. It also includes clear explanations of the original study, what the score means, and whether memory can actually be trained. Scores are saved locally in your browser, so you can keep coming back and try to beat your best run without creating an account.
Key features
- Flash numbered squares, then hide them quickly.
- Tap the numbers back in ascending order.
- Difficulty increases with each cleared board.
- Tracks runs, best level, and boards cleared.
- Explains the Ayumu chimp memory study.
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