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Merge Defense: Pixel Blocks throws you into thrilling, action-packed puzzle battles—defend your fortress by strategically combining numbered blocks! Smash two identical blocks together to evolve them into powerful high-value units, then deploy these upgraded defenders onto your fort’s grid. The higher the number, the harder they hit—crush waves of invaders with well-timed merges and tactical placements. Master the chaos, dominate the battlefield, and unleash devastating damage in this fast-paced free online challenge. Ready to merge, defend, and conquer? Let’s crush those enemies!
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