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Clear the sea zone of invading plankton in this Marble Popper game!

Break off groups of plankton by matching three or more plankton of the same color. Popped plankton are quickly replaced, but those that float away are gone for good! Use skill and technique, plus handy power-ups, to complete 80 challenging levels.
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Primary Games has free arcade and learning games for kids and teens featuring the best action, adventure, sports, and racing games: Friv