Safely got away from the collapsed tunnel

Komplete a Novice, Warrior, or Champion Klassic Tower once

Hit the Gong in the Krypt

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Kill 30 Enemies with the G-MAL

Kill 10 Enemies with Grenades While Hanging

Finish the Game on Hard Without Changing the Difficulty

Kill 20 Enemies by Shooting from the Hip (without aiming)

Kill 20 Enemies with the Wes - 44

Defeat 250 Enemies with Headshots

Kill 30 Enemies with Mk-NDI Grenades

Kill 30 Enemies with the Wes-44