Chimp Test
Click the numbers in order from memory — the famous chimp working-memory test.
Memorize the order… then they hide
Now click them — first
✕ Wrong! Strike of — retry
✓ Cleared! Next: numbers
The Chimp Test
Numbers 1– flash on the grid, then turn blank. Tap them in order from memory. Clear a round and one more number is added.
Best level:
Chimpanzees crush humans at this. Press space to start.
Why you’ll love Chimp Test
Instant & free
No signup, no paywall, no limits — Chimp Test works the moment the page loads.
Completely private
Everything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any device
Fully responsive and touch-friendly — use it on your phone, tablet or desktop.
Beat your best
Your scores and streaks save locally — come back to beat them.
How to use it
Open it
No download and no login — the tool is ready right at the top of this page.
Use it
Enter your details or start interacting. Everything updates live as you go.
Get your result
Copy, download or share your result in a single tap. That’s it.
Frequently asked questions
Chimp Test is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
Yes — your best scores and streaks are stored in your browser, ready when you return. Most also let you share your result.
Completely. Chimp Test runs entirely in your browser (client-side). Nothing you type, upload or generate is sent to our servers, so your data never leaves your device.
No. It works instantly in any modern web browser — Chrome, Safari, Edge or Firefox — on desktop and mobile. You can even install this site as an app.
Yes. The tool is fully responsive and touch-friendly, so it works great on phones and tablets as well as computers.
Workaholic Developers — a software & AI studio. We built Chimp Test (and 200+ other free tools) to show what we can do. Need something custom built? We’d love to help.
More Brain Games
From our collection of 201 free tools.
We built this. We can build yours.
Chimp Test is one of 200+ free tools from Workaholic Developers — a software & AI studio. Need a website, app, AI agent or automation? Let’s talk.
🇮🇳 Built by Workaholic Developers
We built this little toy in days. Imagine what we’ll build for you.
AI agents, web apps, automation, custom tools — designed and engineered fast, on whatever tech fits the job. If you can describe it, we can build it.