A Mess of Stiff Staff Sergeants
Kill Inferno's Sergeants in single player


Airborne
Pilot a helicopter in single player


From Cold Dead Hands
Steal all Inferno's Weapon Crates in single player


Goody Two Shoes
Bring 20 Prisoners to the Church in single player


Inferno's Briefs
Steal all the Document Briefs in single player


Jonesing for Relics
Return all the Relics to the Museum in single player


Supply Problems
Destroy all Mining Carts in the Kaabe Mountains in single player


The Daily Grind
Get a character to max level


To Hell and Back
Complete Mission 9 on any Difficulty in single player


Lord Master of Great Skill
Get 'Skill Level - Alien' in single player


Tough Stuff
Complete all missions on Hardcore Difficulty


Mega Kill Combo
Get a 50x Damage Streak in single player