All Games
Every test is free, runs in your browser, and saves your personal best on your device. Pick one and see where you stand.
Typing Speed Test
Free typing speed test. Measure your WPM and accuracy in 15–120 second timed runs or full passages, with mistake review and personal bests.
Number Pad Speed Test
Free 10-key number pad speed test. Type number fields against the clock and measure digits per minute, fields completed, and field accuracy.
Reaction Time Test
Free reaction time test. Five rounds of wait-for-green, with average and best reaction in milliseconds, round spread, and false-start detection.
Memory Sequence Test
Free memory sequence test. Watch tiles light up, repeat the pattern, and see how long a sequence your working memory can hold.
Visual Search Test
Free visual search test. Find the odd symbol hidden in a grid of look-alikes across five rounds — measuring scanning speed and click accuracy.
Reading Speed Test
Free reading speed test with comprehension questions. Measure your reading WPM, comprehension score, and true reading efficiency.
Click Speed Test
Free CPS test. Click as fast as you can for 5 or 10 seconds and measure your clicks per second, with personal bests saved locally.
Aim Trainer
Free aim trainer. Hit 20 targets as fast as you can — average time per target, accuracy, and misses, with personal bests saved locally.
Number Memory Test
Memorize a number, type it back, and watch it grow one digit per round. How many digits can your short-term memory hold?
Verbal Memory Test
Words appear one at a time — call each one new or seen. How many words can you keep in mind before mixing them up?
Stroop Test
Name the ink color, not the word — the classic interference test of focus and cognitive control, scored on speed and accuracy.
Chimp Test
Numbers flash on screen, then hide — click them in order from memory. The working-memory test made famous by chimpanzees beating humans.
Mental Math Test
Free mental math speed test. Solve 60 seconds of rapid-fire arithmetic — addition, subtraction, multiplication, division — and track solved per minute.
Visual Memory Test
Free visual memory test. A pattern of tiles flashes, then hides — click every tile from memory. Levels grow until your spatial recall runs out.
Spacebar Speed Test
Free spacebar speed test and counter. Hammer the spacebar for 5, 10, or 30 seconds and measure presses per second, with personal bests saved locally.
Sentence Verification Test
Free sentence verification test. Read simple statements and call them true or false as fast as you can — measuring reading decision speed in milliseconds.
Go/No-Go Test
Free go/no-go test. React fast to green, hold back on red — the classic impulse-control task, scored on go reaction time and inhibition errors.