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Merge Defense: Pixel Blocks is an action-packed puzzle challenge where strategic thinking meets tower defense. Dive into this free browser-based experience and master the art of fusion—combine identical numbered blocks to create powerful high-tier units. Deploy your upgraded defenders onto fortress positions to unleash crushing counterattacks against relentless waves of enemies. Every merged block amplifies your firepower: double-digit units chip away at foes, while triple-digit powerhouses deliver knockout blows. Outsmart the invasion by optimizing your merges, securing your stronghold, and watching those numbers climb. Charge up your defenses, commander—those pixelated creeps won’t know what hit ‘em.
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