Test your brain. Beat your best.
Reaction time, memory, aim, the chimp test, Simon, dual N-back, the Stroop test and more — free brain games and cognitive tests that run in your browser. Your scores stay on your device, with no sign-up and nothing uploaded.
Why we're different
Most brain-game sites bury the play button under ads, gate your stats behind a login, or nag you to sign up first. We built the opposite.
No sign-up, ever
No account, no login, no "verify your email" wall before you can play.
100% free
Every game, every mode, with no paid tier and no locked levels.
Nothing uploaded
Your scores stay on your own device — nothing is sent anywhere.
Works offline
Load a game once and it keeps working even with no connection.
Beat your best
Your personal best is kept for each game, so you always have a number to chase.
12 games, no catch
Pick a game and start instantly. All run in your browser, all run for free.
Reaction & speed
Reflexes, mouse aim and focus under pressure — measured in milliseconds.
Memory
Sequences, numbers, words and grids — how much can you hold?
Focus & logic
Patterns, attention and working memory you can train.
Your scores, and nothing leaves your device.
Plenty of brain-training sites tie your stats to an account, push a subscription, or wrap every game in ads. We took the opposite path: each game runs on your own device, your best scores are kept right here in your browser, and nothing is uploaded.
Built by CodingEagles- No sign-up, ever
- 100% free
- Nothing uploaded
- Works offline after first load
- Scores stay on your device
Measured fairly
Times are taken straight from your browser's high-resolution clock, so a reaction-time or aim score is a real number you can compare with yourself.
Instant, no round-trip
Everything runs the moment you click. No upload queue, no API call, no spinner waiting on a server.
Just for fun
These are casual, informational games to test and train yourself — not medical or diagnostic tools.