Reaction Time
Click the moment the screen turns green. Measures your reflexes in milliseconds. How fast are you?
Play Now11 fast games to measure reaction time, aim, typing, memory, math, and more. Play instantly, compete globally.
Click the moment the screen turns green. Measures your reflexes in milliseconds. How fast are you?
Play NowClick targets before they vanish. Trains your hand-eye coordination and reaction speed simultaneously.
Play NowType phrases or random words. Get your WPM and accuracy score. Two modes, 60 phrases, no repeats.
Play NowWatch the colored pattern light up, then repeat it in order. Each round adds one step. How far can you go?
Play NowSolve as many math problems as possible in 60 seconds. Difficulty increases as you score. Viral IQ challenge.
Play NowNumbers flash on a grid, then disappear. Click them in order 1, 2, 3โฆ Chimps average 9. Can you beat them?
Play NowEat the food, grow longer, don't crash. The classic arcade game that's impossible to put down. How long can you get?
Play NowTap to flap, dodge the pipes. One mistake and it's over. Brutally simple, endlessly frustrating, totally addictive.
Play NowClick the ink color, not the word. Your brain wants to read โ fight it. Classic cognitive interference test.
Play NowHit STOP when the moving bar is in the green zone. Each success shrinks the zone and speeds up the bar.
Play NowMoles pop up randomly โ hit them before they hide. 30 seconds. They get faster as you score. How many can you get?
Play NowWhether you're a gamer sharpening reflexes, a student training memory, or just curious about your cognitive performance โ these tests give you instant, accurate feedback in under a minute each. Designed for repeated play so you can track real improvement over time.
Everything runs directly in your browser. No account required, no app to install. Personal bests are saved locally. Global leaderboards let you compete with players worldwide.