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Free quizzes, cognitive tests, and calculators. No sign-up required.
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Memory
▾Number Memory Test
Free online number memory test. How many digits can you remember? Sequences get longer each round — average is 7 digits.
2-3 minVerbal Memory Test
Free online verbal memory test. How many words can you keep in memory? Seen or new — don't get tricked.
2-3 minVisual Memory Test
Free online visual memory test. Memorize tile patterns and recreate them — how many levels can you beat?
2-3 minSequence Memory Test
Free online sequence memory test. Repeat the pattern of flashing pads — how long a sequence can you remember?
2-3 minDual N-Back Training
Free dual n-back brain training game. Improve working memory by tracking position and color simultaneously.
3-5 minSpeed
▾Reaction Time Test
Free online reaction time test. How fast are your reflexes? Click when the screen turns green — 5 rounds, millisecond precision.
1 minTyping Speed Test
Free online typing speed test. Measure your WPM (words per minute) and accuracy in 60 seconds.
1 minAim Trainer
Free online aim trainer. Click 30 targets as fast as you can — measure your mouse speed and precision.
1 minClick Speed Test
How fast can you click? Measure your clicks per second (CPS) and compare your speed.
1 minGo/No-Go Test
Test your impulse control. Click on green, don't click on red. Measures attention and inhibition.
2-3 minQuick Match
Match or different? Decide quickly when symbols flash. Tests working memory and reaction speed.
2-3 minChoice Reaction Time
Press left or right to match where the stimulus appears. Tests decision speed and accuracy.
2-3 minMath & Numbers
▾Mental Math
Solve arithmetic problems as fast as you can in 60 seconds. How many can you get?
1 minQuick Percentage
How fast can you calculate percentages? 60-second speed drill with increasing difficulty.
1 minNumber Comparison
Which number is larger? Gets tricky with fractions, decimals, and percentages!
2-3 minNumber Line
Place numbers on a line. How good is your number sense?
2-3 minArithmetic Rain
Solve falling math problems before they hit the ground!
1-2 minEquation Builder
Arrange numbers and operators to create valid equations
3-5 minEstimation Game
How good is your number sense? Estimate the number of dots on screen.
3-5 minPattern Completion
What comes next in the sequence? Test your pattern recognition skills.
3-5 min