Defeat the mutated Moreau.

Defeat Donna and Angie.

Defeat the mutated Dimitrescu.

Purchase something from the Duke in the story.

Unlock a simple lock with a lockpick.

Escape the mine.

Destroy a Goat of Warding.

Craft an item in the Crafting menu.

Successfully assaulted Thunder's Drum.

Disabled all Control Towers by overriding or destroying them.

Reached player level 50.

Challenged Aratak at the Frostfigures and won.