u kill penguin by waiting at the end of the wall and when it charges, jump over it so its horns get stuck in the wall and then jump on it. do this 3 times and u beet it
heres a tip for spartan: buy the gun that shakes the ground and buy 3 missile towers. fully upgrade their missiles capacity and upgrade some of their fire rate. then keep on firing the gun when you are fighting.win win
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