Free brain training games
13 short browser games for working memory, mental math and reaction speed. 8 need no account; the other 5 need a free one. Not sure where to start? Reaction Time takes about 30 seconds.
Working memory
Hold and update information while under load.
Track a square and a sound at the same time.
5 min
Add each number to the one before it — not the total.
4 min
Flash Recall
Free accountRemember the direction. Rebuild the sequence.
3 min
Mental math
Compute fast without writing anything down.
Numbers flash. You add them. That's it.
4 min
Multi-step problems, nothing but your head.
4 min
Four numbers, + − × ÷, one target: 24.
4 min
Math Chain
Free accountFollow a chain of operations. Type the result.
3 min
Missing Operator
Free account12 ? 4 = 3. Which operator fits?
3 min
Blink and Add
Free accountNumbers blink. Add, subtract, multiply or divide.
4 min
Reflex
Cut the delay between seeing and acting.
Wait for green. Tap. See your milliseconds.
2 min
Name the ink color, ignore the word.
2 min
A grid of look-alikes. One is different. Find it.
3 min
Time Sense
Free accountTwo beeps. How much time passed?
1 min