Find all collectibles

Obtain level 70

Make pact with Serpo

Find all the volunteer's voice recordings

Finish hospital quests for Cecil

Kill the Twins

Obtain level 50

Finish quests for Dr. Kessler

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

Install a total of 5 barricades during hub defense

Rescue 20 NPCs that have been grabbed by monsters

Kill 100 monsters using the boat's speed boost