Beware Planet Earth

is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men. Beware Planet Earth. Endless Fun: full story mode with 46 levels over 4 seasons, plus 28 bonus. Features Exclusive content on Steam: a multitude of new levels and enemies inspired by Valve's universe.
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