Kill a Xenomorph with a shotgun at very close range

Filled in every page of Sayaka's Report Card

Fully mod and completely upgrade all weapons.

Find all documents, relics and GPS caches.

Complete the game.

Loot 200 enemies.

Kill 40 enemies with the shotgun.

You've let Kenny die in combat 10 times over the course of the game.

You defeated 20 enemies using Cartman's Ass.

You've farted on a dog while in gnome form.

Kill and loot 10 small animals (rabbits, chickens, rats).

Find 75% of GPS caches.