Kill 50 zombies using a vehicle.

Create a customized weapon.

Breach a locked door with the first blow.

On day 1 of the Rat job, blow up the lab.

Kill a zombie with 10 different melee weapons.

Equip an armor for the first time.

In the safe house, find the hidden basement.

Until I put on the mask.

Get an A+ on any chapter

Kill 1989 enemies

Equip armor or vanity clothing in all three social slots.

Throw a weapon at an enemy so that his weapon hits another

Perform a 6x combo