Reaction Time
Test your visual reflexes by clicking as fast as possible when the screen changes color.
Find your next test
Play free brain games online for reaction time, memory, focus, typing speed, and processing speed. Choose a short browser test and get a clear score in minutes.
All games
Number Memory
Remember the longest number possible and test the limits of your digit span.
Sequence Memory
Memorize increasingly complex patterns of tiles lighting up on a grid.
Quick Math
Solve arithmetic problems as fast as you can to test processing speed.
Typing Speed
Measure your typing speed in words per minute with accuracy tracking.
Aim Trainer
Test your mouse accuracy and speed by clicking targets as they appear.
Chimp Test
Remember the position of numbers in order after they disappear. Can you beat a chimp?
Verbal Memory
Keep track of which words you have and haven't seen in this verbal recall test.
Visual Memory
Remember which squares were highlighted on the grid and select them from memory.
Stroop Test
Name the color of the text, not the word itself. Tests cognitive flexibility and inhibition.
Word Scramble
Unscramble letters to form words as fast as you can. Tests language processing speed.
Spatial Reasoning
Determine which shape completes the pattern. Tests mental rotation and spatial logic.
Choose a focus
Choose by the signal you want
Speed
Reaction Time, Quick Math, and Aim Trainer.
Memory
Number, Sequence, Visual, Verbal, and Chimp.
Focus
Typing, Stroop, Word Scramble, and Spatial.
Questions before you play
What skills do these games measure?+
The library covers reaction time, working memory, pattern recognition, processing speed, typing speed, attention, and spatial reasoning. Each test focuses on a specific signal instead of blending everything into one score.
Which game should I start with?+
Start with Reaction Time for visual reflexes, Number Memory for digit span, Sequence Memory for patterns, Quick Math for processing speed, or Typing Speed for WPM and accuracy.
Can I play on a phone?+
Yes. The games adapt to touch screens and small viewports. Reaction Time and Aim Trainer can be more consistent with a mouse, while memory and language tests work well on mobile.
Are these brain games free to play online?+
Yes. Every game is free to start in your browser with no account required. Free play includes 10 completed tests per day, while Pro removes the daily limit for repeat practice.
Free to startNo account neededWorks on mobile