Originally posted by wilder94
so what u basically do is leave a crawler and every1 need to go to the teleport to go back to earth. when every1 is in, kill the last crawler and when you see the numbers, quickly go to earth, when u come back you would only need to around 20 zombies for the round to end. I did this in round 23 and only killed 18 zombies and i went to round 24