Get a character to max level in single player
Mission 3 - Defeat the Panzer Wyrm (Coldstrike DLC required)
Mission 2 - Acquire all intel on Coldstrike's plans in single player (Coldstrike DLC Required)
Mission 1 - Rescue all the civilians in single player (Coldstrike DLC required)
Get "Skill Level - Alien" in single player
Get a 50x Damage Streak in single player
Complete Mission 9 on any Difficulty in single player
Steal all the Document Briefs in single player
Destroy all Mining Carts in the Kaabe Mountains in single player
Bring 20 Prisoners to the Church in single player
Steal all Inferno's Weapon Crates in single player
Return all the Relics to the Museum in single player
Kill Inferno's Sergeants in single player
Pilot a helicopter in single player
Complete all missions on Hardcore Difficulty
