Is Sonic Hidden Diamonds Game 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.

Sonic Hidden Diamonds Game

game.aboutGame

Sonic Hidden Diamonds is a fun online skill and hidden object game. Find out the hidden diamonds in the specified images. Each level has 10 hidden diamonds. There are 8 levels in total. The time is limited so be fast and find all hidden objects before time runs out. Clicking in the wrong place several times reduces the time by an additional 5 seconds. So, if you are ready start the game and have fun!