Attain a Grimoire score of 777.

Complete a Strike.

Reverse a decision you made in an upgrade grid.

Kill 5 enemies in 3 seconds.

Obtain and equip a new personal vehicle.

Finish quests for Dr. Kessler

Finish the game

Enter the docks in Quarantine Zone

Survive the horde on the roof

Obtain level 50

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

Reach Henderson