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But it's free – and actually a re-skinned version of an existing iPad puzzler. In fact, it's a promotional game: just an elaborate marketing tool meant to draw up a little buzz for next spring's sequel (opens in new tab). ProtoSlice HD seemingly marks the debut of open-world action hit Prototype on the platform, but that's not entirely true.
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Aside from Geometry Wars Touch and Call of Duty: Zombies HD, Activision has kept pretty quiet on the iPad front – which is surprising, considering how many of its properties could easily make the jump to the tablet (especially those with existing iPhone iterations).
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