Weaken a hood grappling zombie with 1 weapon, then quickly switch to another weapon to finish it off with one shot
Purchase all of the store upgrades.
Unlock this medal to learn its secrets!
Cause enough chaos to reach the x5 Multiplier
Purchase the turret upgrade before the 8th day.
Reach chaos for the first time
Use a nuke
Launch 50 miles (264,000ft)
Play over an hour