Mind Meter

Test your cognitive abilities with our collection of free, open-source brain games. Measure reaction time, memory, typing speed, aim and more. Track your progress and compete against yourself — no sign-up, no ads.

Reaction & Motor

3 tests

Button Mashing Test

Test your button mashing speed (CPS test).

Blind Timer Challenge

Test your time perception.

Go/No-Go Test

Hit GO, hold on STOP.

Attention & Focus

4 tests

Stroop Test

Color-word coordination.

N-Back Test

Match letters from N steps ago.

Object Tracking Test

Track multiple moving objects.

Trail Making Test

Connect 1→A→2→B in order.

Perception

5 tests

Visual Estimation

Quick counting challenge.

Sound Localization Test

Locate sounds in stereo.

Color Discrimination Test

Find the tile with a different shade.

Emotion Recognition Test

How well can you read emotions?

Subitizing Test

Count the dots in a flash.

Language & Knowledge

2 tests

Synonym Matching

Test your vocabulary.

Word Scramble

Unscramble words before time runs out.

Logic & Reasoning

4 tests

Math Test

Math under pressure.

Mental Rotation

Same shape or mirrored?

Matrix Reasoning

Find the missing piece.

Pattern Sequences

Find the next number.