A block has 20 levels.Merge blocks by dragging the screenThere 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.
https://andro.io/app/fxfmergedefense
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4x4 Merge Defense for Android – Latest Version & Features
by SmithGameLAB
★★★★★
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> 2.2k
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