Free Brain Training Games Online

Divided Attention

Double Decision Game

Play a free Double Decision game that combines central vehicle recognition with peripheral road-sign location in one brief glance.

Working Memory

Dual N-Back

Use this free dual n-back online game to practice visual and audio recall in one browser tab. Start with a 30-second tutorial, adjust the N-back level, and build a steady working memory habit.

Selective Attention

Schulte Table

Practice with our free Schulte Table online to train visual attention, peripheral vision, reading speed, and concentration. Find numbers in sequence and improve scanning speed in minutes.

Reaction Time

Reaction Time Test

Use this free online reaction time test to check how quickly you respond to a visual signal and compare your result against common averages.

Working Memory

Memory Matching Game Online

Play this free memory matching game online with shapes, letters, or numbers. Match pairs, train visual recall, and enjoy a clean concentration game built for adults and older teens.

Working Memory

Block Memory Challenge

Test your visual memory by recalling increasingly complex block sequences.

Selective Attention

Stroop Effect Test

Take a free Stroop effect test online by naming the ink color instead of the word. Train selective attention, inhibition control, and conflict resolution while tracking your reaction time.

Selective Attention

Focus Reaction Test

Based on the classic Eriksen Flanker Task, this test measures your ability to focus on relevant information while ignoring distractions. Challenge your selective attention and executive control skills.

Working Memory

Frog Memory Leap

Challenge your sequential memory by remembering the order of frog jumps across lily pads.

Working Memory

Mahjong Dual N-Back

A variant of Dual N-Back using mahjong tiles and sounds to train working memory and cognitive skills.

Working Memory

Counting Boxes

Watch 3D cubes appear and disappear, then count them accurately. Train your spatial memory and visual processing skills.

Working Memory

Free Short Term Memory Test

Test your short-term memory by memorizing and recalling common household items. Get personalized scoring based on your age and gender.

Visual Tracking

Glowing Fish Trace

Improve visual tracking abilities by following glowing fish in a dynamic underwater environment.

Reaction Time

Larger Number Challenge

Quickly identify the larger of two numbers to train processing speed and attention.

Working Memory

Focus Sudoku

A distraction-free Sudoku designed to train working memory and logic.

Reaction Time

CPS Test (Click Speed Test)

Curious how fast you can click? Use this free online CPS test to measure your click speed, mouse clicking rhythm, and burst clicking power across 1s, 3s, 5s, and 10s modes.

Reaction Time

Spacebar Clicker Test

Test how many times you can hit the space bar in 5, 10, or 30 seconds. This free online spacebar clicker works as a quick keyboard speed test with clean visuals, local best scores, and mobile tap support.

Sustained Attention

Pomodoro Timer Online

Use this free Pomodoro timer online as a study timer, focus timer, or tomato timer for 25-minute work sessions and structured breaks.

Working Memory

Baby Animal Matching Game

Match pairs of cute baby animals in this classic memory card game. Improves visual memory and concentration for all ages.

Sustained Attention

Resonance Breathing

Practice coherent breathing at the scientifically optimal rate of 6 breaths per minute. This lotus-guided breathing exercise helps stimulate your vagus nerve, improve heart rate variability (HRV), and activate your body's relaxation response. Also features Box Breathing and 4-7-8 breathing modes.

Relaxation

Box Breathing Exercise

Practice Box Breathing (Square Breathing) with our beautiful lotus animation guide. Inhale 4s, hold 4s, exhale 4s, hold 4s — the same technique used by Navy SEALs, first responders, and athletes for instant calm and focus.

Relaxation

4-7-8 Breathing Exercise

Practice the 4-7-8 breathing technique with our lotus animation guide. Inhale for 4 seconds, hold for 7 seconds, exhale for 8 seconds. A powerful natural method for falling asleep faster, reducing anxiety, and calming your nervous system.

Reaction Time

10 Second Challenge Online

Play this 10 second timer challenge game online. Start the timer, stop at exactly 10.0000 seconds, and see how close your internal clock can get.

Viral Personality Tests

SBTI Personality Test

Play the viral SBTI personality test online and get a shareable result poster in minutes. A fast meme-style quiz for people searching sbti test, sbti mbti, and personality test trends.

Bamboo Cicada

Swing a virtual bamboo cicada with your mouse, finger, or phone. The faster it turns and the tighter the string becomes, the louder it calls.

Tianming

Play an imperial ruler, balance court memorials, offices, finance, war and relationships, and let AI continue the history you create.