Get 50 Stealth Kills in Deathmatch of Elimination games

Get 50 Afterlife Medals

Get 10 First! Medals

Get 2500 Kills in Deathmatch or Elimination games

Complete Chapter 1 - 2 on any difficulty setting.

Defeat 3 Majini with one grenade or proximity bomb.

Win 50 Deathmatch Games

Pie, and eliminate, yourself from a round of Piefight

Defeat 70 enemies with the M4

Finish Wave 10 in 1 Survival Game

Defeat 20 enemies with gunfire by aiming while hanging

Find 20 treasures