Lord Master of Great Skill
Get "Skill Level - Alien" in single player
30 ✓ December 23rd, 2011
Pansy Worm
Mission 3 - Defeat the Panzer Wyrm (Coldstrike DLC required)
30 ✓ July 23rd, 2012
Tough Stuff
Complete all missions on Hardcore Difficulty
20 ✓ January 1st, 1753
The Daily Grind
Get a character to max level in single player
20 ✓ April 18th, 2012
Mega Kill Combo
Get a 50x Damage Streak in single player
20 ✓ July 23rd, 2012
Goody Two Shoes
Bring 20 Prisoners to the Church in single player
15 ✓ December 21st, 2011
Jonesing for Relics
Return all the Relics to the Museum in single player
15 ✓ December 21st, 2011
From Cold Dead Hands
Steal all Inferno's Weapon Crates in single player
15 ✓ December 21st, 2011
Supply Problems
Destroy all Mining Carts in the Kaabe Mountains
15 ✓ December 21st, 2011
Inferno's Briefs
Steal all the Document Briefs in single player
15 ✓ December 22nd, 2011
A Mess of Stiff Staff Sergeants
Kill Inferno's Sergeants in single player
15 ✓ December 21st, 2011
Airborne
Pilot a helicopter in single player
10 ✓ December 21st, 2011
To Hell and Back
Complete Mission 9 on any Difficulty in single player
10 ✓ December 23rd, 2011
Extraction
Mission 1 - Rescue all the civilians in single player (Coldstrike DLC required)
10 ✓ July 23rd, 2012
Intelligence
Mission 2 - Acquire all intel on Coldstrike’s plans in single player (Coldstrike DLC Required)
10 ✓ July 23rd, 2012