مباشر
Little Bird Helicopter!
9 أكتوبر (الجمعة) ~ 16 أكتوبر (الجمعة)
CHEAP co-op unlockable! Support your team with the Little Bird attack helicopter! Use the minigun, rapid fire rockets, and a grenade launcher! Door gunners will automatically fire at zombies as you fly by. Your friends can also ride as door gunners, and fire your upgraded weapons at the hordes! Event comes with double cr and xp boost for 24 hours!
Zombie Air Force