Superb zombie hane made by me trust join me

Arm up in the safe bunker, deploy into a ruined city, and survive 50 escalating zombie waves. Master 8 weapons, collect Med Surge, Overdrive, and Shockwave power-ups, face a new infected type every 3 waves, and defeat a massive boss every 10 waves. Can your squad clear Wave 50? Blah blah blah