Sustained Attention Games Online
Games that build your ability to maintain focus over extended periods. Enhanced sustained attention helps students stay engaged during long lectures, professionals maintain productivity throughout the workday, and everyone complete tasks without mental wandering.
This category groups together games that mainly train Sustained Attention. Use it when you want a more focused practice path instead of browsing the entire library.
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.
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.

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

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.

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