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Merge the blocks. Defend the wave with a higher grade block
A block has 20 levels.
Merge blocks by dragging the screen
There are 20 number blocks per wave and you can move a limited number of blocks before the wave.
You can choose blocks to destroy or upgrade to the next level.
What's New in the Latest Version 1.0.0
Last updated on May 14, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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4x4 Merge Defense
1.0.0 by SmithGameLAB
May 14, 2026