Is Merge Defense: Pixel Blocks 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.

Merge Defense: Pixel Blocks

game.aboutGame

Merge Defense: Pixel Blocks is a cool puzzle game made for boys for free. You can play it online. In this game,you can merge two blocks with same number to make them evolve into a block with bigger number. Move the blocks to the fort grids and you can attack the invaders with the blocks. The bigger number on the block, the more damage the block can cause. So go ahead and merge! Good luck!