Is Brain Master IQ Challenge free to play?

Yes, 100% free — no download, no account, no payment. Open your browser and play instantly.

Does it work on mobile?

Yes. The game uses HTML5 and runs on Chrome, Safari and Firefox on Android and iOS devices.

How do I save my progress?

Progress auto-saves to your browser's local storage. Avoid clearing browser data to keep your save file.

Can I play with a friend?

Some modes support local 2-player on the same device. Check the main menu for multiplayer or co-op options.

The game is lagging — what can I do?

Close other browser tabs to free up memory, or try a different browser. Chrome generally provides the best performance for HTML5 games.

Brain Master IQ Challenge

game.aboutGame

Brain Master IQ Challenge is a free online puzzle game with hundreds of free IQ challenges that will help improve your IQ. It's addictive with a series of brain test levels and IQ challenges. Think carefully to pass all the brain quests and become the person with the highest IQ. Let's started and enjoy the latest brain games today!