Summon squishies, merge them into mighty evolutions, and hold the castle wall against endless waves of grumpy spikeys!
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Drag matching squishies together to climb a 10-tier evolution ladder of firepower.
Endless waves of spikeys — fast ones, tanks, and huge boss sieges every 10th wave.
Spend coins on permanent upgrades: attack, fire rate, castle HP, gold and luck.
Daily gifts, missions and 28 collectible guardians to cheer from your wall.