Redirecting to secure checkout…

You can subscribe anytime to unlock the dashboard, saved results, and experiments.

Subscribe to unlock your dashboard, saved results, analytics, and experiments.

$7.99 / month · billed by Stripe · cancel anytime

Plans & billing

Subscribe for full dashboard access. Payment is processed securely by Stripe.

Full access

$7.99 / month

  • Saved results and progress history
  • Analytics dashboard and streaks
  • Experiments and advanced tests
  • Cancel anytime

You will sign in or create an account, then complete checkout on Stripe.

Level up your brain

Taking Tests for My Brain

Cognitive tests you can play anytime — measure attention, inhibition, and reaction time.

Or play without subscribing

📋

Daily Challenge

Run four random tests in sequence. Takes about 3–5 minutes.

Start daily challenge
🎯

Stroop Test

Identify the font color of each word — not the word itself. Test your inhibitory control.

Play now — no account needed
↔

Flanker Task

Identify the center arrow while ignoring flanking arrows. Tests selective attention and interference.

Play now — no account needed
⏸

Go/No-Go Task

Press on Green Circle, withhold on Red Triangle. Tests response inhibition and impulsivity.

Play now — no account needed
🔁

2-Back Task

Press when the current letter matches the one from 2 steps ago. Tests continuous working memory.

Play now — no account needed
#

Symbol-Digit Substitution

Match symbols to numbers using the key. 90 seconds to complete as many as you can. Tests processing speed.

Play now — no account needed
🔢

Digit Span Task

Recall sequences of numbers forward or backward. Tests verbal working memory.

Play now — no account needed
⬛

Corsi Block-Tapping

Watch blocks light up, then tap them in the same order. Tests visuospatial memory.

Play now — no account needed
🔗

Trail Making Test

Connect circles in order as fast as you can. Tests processing speed and task switching.

Play now — no account needed
🃏

Wisconsin Card Sorting Test

Sort cards by a hidden rule that changes after 10 correct — tests cognitive flexibility and perseveration.

Play now — no account needed
⏱

Psychomotor Vigilance Task

Stop a millisecond counter as fast as you can after random delays — measures sustained attention, lapses, and false starts.

Play now — no account needed
🎰

Iowa Gambling Task

Draw 100 cards from four decks — learn which choices pay off over time. Tests risky decision-making.

Play now — no account needed
🏛

Tower of London

Rearrange colored balls on three pegs to match the goal — tests planning and following rules.

Play now — no account needed
🧠

What is this?

Scientifically-backed cognitive tests to assess attention span, inhibitory control, and reaction speed.

📝

Articles & brain-testing guides

Why take tests for your brain, what games like the Stroop measure, and how to get more from short sessions.

Read