Enter the docks in Quarantine Zone

Make pact with Serpo

Earn a Triple Kill with a Level 1 Super Attack

Enter Overtime!

Complete the Basic Tutorial

Survive the horde on the roof

Kill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater.

Find 50% of collectibles

Reach Henderson

Install a total of 5 barricades during hub defense

Obtain level 50

Fully upgrade all abilities for one character class.

Kill 100 zombies with CQC (lifetime)