You should add invisible walls around the perimeters of the map. I know the game is still in it's beta, but the majority of the matches I play, I see people out of the map sinking into the bottom is a bit disturbing. But so far, the game is really good and deserves a 5/5.
If the G key isn't saving your partner, just press Escape then save and quit. Pick your save game. NOTE: Make sure that you pick up all the stuff you wanted dropped by the zombie.
Seems like the the alien commander doesn't understand the of the concept of the score board, when I have 9 kills and you have 3, you can't say "you will fail", that simply does not fit with the score board.
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