Challenge your mind
Free brain tests, no signup.
Explore memory, attention and reaction speed in a 60-second mini test. No signup required.
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Daily Brain Challenge
A new challenge every day
Explore Brain Tests
Choose a game or take the full test.
Free Play
All Games
Pick any game and practice unlimited — improve your scores!
Knowledge & Stats
Higher or Lower?
Which keyword gets more Google searches? Guess and build your streak!
Play →Which Happened First?
Compare two historical events and find which one happened first!
Play →Which Country Is More Populous?
Compare two countries and guess which has the larger population!
Play →Geo-Quiz
Look at the flag, guess the country! Test your geography skills.
Play →Word Hunt
Can you find the hidden 5-letter word in 6 tries?
Play →Reflex & Speed
CPS Test
How many clicks per second can you do? Measure your finger speed!
Play →Reaction Time
Click when you see green! How fast are your reflexes?
Play →Aim Test
Hit the randomly appearing targets as fast and accurately as you can!
Play →Find the Odd Color
Find the slightly different color tile before time runs out!
Play →Memory Matrix
Memorize the glowing tiles in order and repeat. How many levels can you survive?
Play →Memory & Logic
Perception & Focus
Math & Logic
Choose a game for memory, attention or reflexes
QuickBrainTest brings short brain tests and free brain games together in one place. Recall numbers, distinguish colors or see how quickly you respond to a signal. Start with one game or complete the combined 60-second test.
Memory games
Recall numbers and positions, then compare your score with previous attempts in the same game and mode.
Reaction time and click speed
The reaction time test reports the average of five valid attempts. The CPS test measures clicks per second over your chosen duration.
Focus, colors and speed math
Find numbers in order on a Schulte table, choose the ink color in the Stroop test or solve timed arithmetic questions.
How can you compare your results?
- Take one practice round, then complete three attempts in the same mode.
- Use the same device and input method, with a short break between attempts.
- Look at your average and the spread of results, rather than only a personal best.
Scores describe performance on the game itself. They are not IQ measurements, health assessments or evidence of improved everyday cognition. Device latency, practice and attention can affect results.
Read the brain exercise guides · Learn how our statistics are calculated
Brain test questions
Do I need to sign up?
No. You can play the free games and the 60-second test without creating an account.
Does every game take 60 seconds?
No. The combined test lasts 60 seconds. Individual games have different durations and finish conditions: some are timed, while others use levels or targets.
Where are my scores stored?
Supported individual games keep your last 30 completed runs in this browser. Contributing results to community statistics is optional and switched off by default.