1. Green as Grass Train the rook (any difficulty) 10
2. It’s a Trap! Story progression in Act 1, Chapter 2 10
3. Escort Service Story progression in Act 1, Chapter 4 10
4. Girl About Town Story progression in Act 1, Chapter 6 10
5. That Sinking Feeling Story progression in Act 2, Chapter 4 10
6. Freebaird! Story progression in Act 2, Chapter 5 10
7. Heartbroken Story progression in Act 2, Chapter 6 10
8. Longitude and Attitude Story progression in Act 3, Chapter 3 10
9. Tanks for the Memories Story progression in Act 3, Chapter 4 10
10. Water Sports Story progression in Act 3, Chapter 6 10
11. There’s a Time for Us Story progression in Act 4, Chapter 2 10
12. Better Wrapped in Beacon Story progression in Act 4, Chapter 3 10
13. Have Fun Storming the Castle Story progression in Act 4, Chapter 6 10
14. And the Horse You Rode in On Story progression in Act 5, Chapter 1 10
15. You Are the Support, Son Story progression in Act 5, Chapter 2 10
16. Brumak Rodeo Story progression in Act 5, Chapter 4 10
17. Does This Look Infected to You? Story progression in Act 5, Chapter 5 10
18. Tourist of Duty Complete all campaign acts on Casual Difficulty 25
19. Guerilla Tactician Complete all campaign acts on Normal Difficulty 50
20. Artist of War Complete all campaign acts on Hardcore Difficulty 75
21. Suicide Missionary Complete all campaign acts on Insane Difficulty 150
22. Collector Recover 5 collectibles (any difficulty) 5
23. Pack Rat Recover 20 collectibles (any difficulty) 15
24. Completionist Recover all 41 collectibles (any difficulty) 30
25. One-Night Stand Complete 1 chapter in co-op on any difficulty (Marcus or Dom) 10
26. Open Relationship Complete 10 chapters in co-op on any difficulty (Marcus or Dom) 30
27. Friends with Benefits Complete all acts in co-op on any difficulty (Marcus or Dom) 50
28. Once More, With Feeling Perform 30 perfect active reloads (any mode) 10
29. Takes a Licking Melee 30 Tickers (any mode) 30
30. Organ Grinder Kill 30 enemies with a cover mounted Mulcher (any mode) 10
31. Shock and Awe Kill 30 enemies with the heavy Mortar (any mode) 10
32. Said the Spider to the Fly Kill 10 enemies with a planted grenade (any mode) 10
33. Crowd Control Melee 10 enemies down with the Boomshield equipped (any mode) 10
34. Smells Like Victory Kill 30 enemies with the Scorcher Flamethrower (any mode) 10
35. ariety Is the Spice of Death Kill an enemy with every weapon in the game (any mode) 30
36. Seriously 2.0 Kill 100,000 enemies (any mode) 50
37. Standing Here, Beside Myself Win 3 matches of Wingman (public) 10
38. Beat the Meatflag Capture 10 meatflags in Submission (public) 10
39. It’s Good to be the King Win 10 rounds of Guardian as the leader (public) 10
40. You Go Ahead, I’ll Be Fine Win three matches of King of the Hill (public) 10
41. Back to Basic Successfully complete the 5 lessons of multiplayer Training Grounds 10
42. Party Like It’s 1999 Play 1999 rounds of multiplayer (any mode) 30
43. Around the World, Again Win a multiplayer match on each map (any mode) 30
44. Dirty, Dirty Horde Survive the first 10 waves of Horde (any difficulty, any map) 20
45. Hoard the Horde Survive all 50 waves of Horde (any difficulty, any map) 30