Killing Spree Trophy

  • Killing Spree


    Within 30 seconds kill 20 aliens in single player.

    Not as hard as it might sound. You will probably get this without trying. I got it on the second level of single player when escorting the physician. Alot of the smaller aliens spawned into the area at once and they go down pretty quickly. Anywhere that enough of them spawn is a good place to get this, though.

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  • Got it without even going for it on beggining of Level 2 on Single Player, Elite difficulty... was aiming for Massacre and Electrifying when this one and Elite Force popped up, so not that hard.

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