stupidbrains
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A playground for perfectly ordinary brains

Let yourbrainout to play.

Remember a pattern. Chase some numbers. Surprise yourself. A few minutes of curiosity can be a pretty good time.

Try your first test

Create an account to keep your scores and see your progress.

A smiling pink brain in yellow sneakers waves hello. All brains welcome
Yours is invited, too.
Your brain is fine. Probably. Put that overthinking to good use. Come as you are.

Pick a little challenge.

Follow your curiosity. There’s no wrong place to start.

Speed ~1–2 min

Ready, set, connect.

Connect the numbers 1–25 in order as fast as you can. Measures visual attention and processing speed.

Trail Making — Variant A
Flexibility ~2–3 min

A change of mind.

Connect numbers and letters alternately — 1→A→2→B… Same speed race as Variant A, but now your brain switches tracks on every tap.

Trail Making — Variant B
Memory ~6 min

Wait. Was that a match?

Squares flash and letters are spoken. Flag it whenever either one matches what came N steps back — a serious working-memory workout.

Dual N-Back
Memory ~3 min

Now you see it.

Watch the blocks light up one by one, then tap them back in the same order. Measures visual-spatial memory.

Corsi Block-Tapping
Memory ~3 min

Rewind your mind.

Same as Corsi, but tap the blocks back in reverse — last one first. Now you're holding the whole run in mind and flipping it.

Corsi Block-Tapping — Backward
Creativity Coming soon

Remote Associates Test

Three unrelated words, one word that links all three — find it. A classic test of associative thinking and that click-into-place "aha".

Remote Associates Test
Memory Coming soon

Memory Palace

Learn the ancient memory-palace trick: pin each item to a spot along a route you know by heart, then walk it back to recall them in order.

Memory Palace
Memory Coming soon

Working Memory Capacity

Juggle a growing list while a second task keeps butting in — and see how much your working memory can really hold at once.

Working Memory Capacity

Make yourself at home.

Keep your scores. See your progress.

Create a free account to keep your scores, find your personal bests, and see your progress over time.

Create account