Test your brain.

Play reaction, memory and attention games. Track your personal bests. No sign-up required.

Game scores reflect your play, device and input. Compare your own runs.

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Brain Age Game

90 SEC

Three rounds with a playful age-themed score.

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Your Game Scores

See your saved results and personal bests in one place.

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Stack Tower

FREE

Our free block-stacking game for Android — how high can you build?

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Reflex(7)

Speed of motor and perceptual response

Reaction Time

How fast can you click after the screen changes color?

Typing Speed

How many words can you type per minute accurately?

Aim Trainer

Click 30 targets as fast and accurately as you can.

Click Speed (CPS)

How many clicks can you do in 5 seconds?

Hand-Eye Coordination

Click a moving target that bounces around. Gets smaller and faster!

Rhythm Timing

Listen to a beat pattern and tap it back. Test your sense of rhythm and timing accuracy.

Anticipation Timing

A ball vanishes before the finish line. Tap the moment you think it arrives.

Memory(11)

Encoding, holding and recalling information

Chimp Test

Remember the numbered tiles, then click them in order.

Number Memory

How many digits can you remember after a brief flash?

Visual Memory

Memorize a pattern of tiles and click them back. 3 lives.

Sequence Memory

Watch tiles light up in order, then repeat the pattern. Like Simon.

Number Speed

Numbers flash briefly — type them back before the clock runs out.

Face Memory

Spot which emoji faces changed in the grid.

Digit Span

Digits flash one at a time. Type them back forward or backward.

N-Back

See letters. Click 'Match' if current = N positions back. Levels up.

Audio Memory

Hear tones and repeat them. Like Simon but with audio. Turn on sound!

Color Memory

Watch colored circles flash in sequence and repeat the pattern.

Math Memory

Equations flash briefly. Memorize and solve them. One mistake ends the test.

Logic(5)

Reasoning, math and pattern inference

Math Speed

60-second mental math blitz. Addition, subtraction, multiplication -- difficulty adapts.

Pattern Recognition

What comes next? Identify patterns in numbers, colors, shapes, and sizes.

Number Comparison

Click the larger number as fast as you can. Tests numerical processing.

Mental Math Sprint

Count dots, estimate multiplication, compare quantities. Fast-paced mental math speed test.

Dot Estimation

Dots flash for 1 second. How many were there? Tests number sense and subitizing.

Attention(13)

Focus, impulse control and divided attention

Rule Switch

Alternate odd/even and greater-than-five judgments. See accuracy and response timing across 20 questions.

Object Tracking

Follow two marked dots as they move, then find them among the others. Five increasingly difficult levels, no audio.

Stroop Color Test

Color names in wrong ink colors. Pick the ink color, not the word.

Peripheral Reaction

Stare at the center dot and click targets in your side vision. Don't look away!

Odd Color Out

Find the tile with a subtly different shade.

Focus Timer

Estimate exact time intervals without a clock.

Emotion Recognition

Identify emoji emotions (happy, sad, angry, surprised, etc.) quickly.

Trail Making

Connect circles in alternating order: 1-A-2-B-3-C... as fast as you can.

Go/No-Go

Green = click fast. Red = DON'T click. Tests reaction time AND impulse control.

Visual Search

Find the odd one out in a grid. Tests attention and search speed.

Divided Attention

Identify the center letter while locating a target in your side vision. UFOV-style.

Dual Task

Track a moving dot AND count beeps. Tests divided attention and multitasking.

Change Detection

A grid of colors flashes twice. One color changes. Click the changed circle.

Verbal(4)

Word recognition, reading and language

Verbal Memory

Words appear one at a time. Have you seen it before? SEEN or NEW.

Reading Speed

How fast do you read? WPM test with comprehension quiz -- speed without understanding doesn't count.

Word Speed

Type words as fast as you can. How many WPM can you hit?

Word Fluency

Name words in a category before time runs out.

Spatial(2)

Mental rotation and visuospatial reasoning

Color Blind Test

Find the numbers hidden in colored dot patterns.

Spatial Rotation

Compare two flat block shapes. Are they rotated copies or different?