Test what makes you human.
Measure reaction, memory, attention, accuracy, speed, and language through eight focused tests.
Wait for green
5 × Attempt
Choose a test
Start anywhere. No account is required, and recent results stay on this device.
Reaction Time Test
Measure how quickly you respond when a visual field changes from red to green.
Sequence Memory Test
Repeat a growing pattern of highlighted tiles in the correct order.
Aim Trainer
Hit 20 targets and measure speed, accuracy, and missed clicks.
Number Memory Test
Remember number strings that grow by one digit after each correct answer.
Verbal Memory Test
Decide whether each word is new or has already appeared in this run.
Chimp Test
Memorize numbered tiles, then select their hidden positions in order.
Visual Memory Test
Recall highlighted squares in a grid that becomes harder each round.
Typing Test
Measure words per minute, raw speed, accuracy, and errors.