It's a Trap!
10
Story progression in Act 1, Chapter 2
Escort Service
10
Story progression in Act 1, Chapter 4
Once More, With Feeling
10
Perform 30 perfect Active Reloads (any mode)
Girl About Town
10
Story progression in Act 1, Chapter 6
Green as Grass
10
Train the rook (any difficulty)
That Sinking Feeling
10
Story progression in Act 2, Chapter 4
Collector
5
Recover 5 collectibles (any difficulty)
Freebaird!
10
Story progression in Act 2, Chapter 5
Heartbroken
10
Story progression in Act 2, Chapter 6
Longitude and Attitude
10
Story progression in Act 3, Chapter 3
Tanks for the Memories
10
Story progression in Act 3, Chapter 4
One-Night Stand
10
Complete 1 chapter in Co-op on any difficulty (Marcus or Dom)
Water Sports
10
Story progression in Act 3, Chapter 6
There's a Time for Us
10
Story progression in Act 4, Chapter 2
Better Wrapped in Beacon
10
Story progression in Act 4, Chapter 3
Have Fun Storming the Castle
10
Story progression in Act 4, Chapter 6
You Are the Support, Son
10
Story progression in Act 5, Chapter 2
And the Horsey You Rode in On
10
Story progression in Act 5, Chapter 1
Does This Look Infected to You?
10
Story progression in Act 5, Chapter 5
Brumak Rodeo
10
Story progression in Act 5, Chapter 4
Tourist of Duty
25
Complete all campaign acts on Casual Difficulty
Smells Like Victory
10
Kill 30 enemies with the Scorcher Flamethrower (any mode)
Dirty, Dirty Horde
20
Survive the first 10 waves of Horde (any difficulty, any map)
Guerilla Tactician
50
Complete all campaign acts on Normal Difficulty
Shock and Awe
10
Kill 30 enemies with the heavy Mortar (any mode)
Organ Grinder
10
Kill 30 enemies with a cover mounted Mulcher (any mode)
Variety Is the Spice of Death
30
Kill an enemy with every weapon in the game (any mode)
Open Relationship
30
Complete 10 chapters in Co-op on any difficulty (Marcus or Dom)
Takes a Licking
30
Melee 30 Tickers (any mode)
Photojournalist
10
Submit a spectator photo
Artist of War
75
Complete all campaign acts on Hardcore Difficulty
Back to Basic
10
Successfully complete the 5 lessons of multiplayer Training Grounds
Crowd Control
10
Melee 10 enemies down with the Boomshield equipped (any mode)
Pack Rat
15
Recover 20 collectibles (any difficulty)
Said the Spider to the Fly
10
Kill 10 enemies with a planted grenade (any mode)
Crossed Swords
10
Win 10 chainsaw duels (any mode)
Friends with Benefits
50
Complete all acts in Co-op on any difficulty (Marcus or Dom)
Hoard the Horde
30
Survive all 50 waves of Horde (any difficulty, any map)
Around the World, Again
30
Win a multiplayer match on each of the 10 shipped maps (any mode)
Pound of Flesh
10
Use a meatshield to save your life 10 times (any mode)
Kick 'Em When They're Down
10
Perform all 11 unique executions on a downed enemy
Rookie Gear
10
Earn enough multiplayer experience to reach level 5 (not Custom)
A Parting Gift
20
Kill 10 enemies with a grenade while down but not out (any mode)
Suicide Missionary
150
Complete all campaign acts on Insane Difficulty
You Go Ahead, I'll Be Fine
10
Win 3 matches of King of the Hill (not Custom)
Completionist
30
Recover all 41 collectibles (any difficulty)
More Mystery, Less History
15
Win a multiplayer match on each of the 5 Flashback Map Pack maps (any mode except Wingman)
Seasoned Gear
20
Earn enough multiplayer experience to reach level 15 (not Custom)
Battle-Tested Gear
30
Earn enough multiplayer experience to reach level 25 (not Custom)
Skeletons in your Closet
20
Complete waves 1 through 10 on all Flashback Map Pack maps in Horde (any difficulty)
The Roof! The Roof! The Roof…
15
Win a multiplayer match on each of the 3 Combustible Map Pack maps (any mode except Wingman)
Frigid Body Dynamics
5
Play a multiplayer match on each of the 4 Snowblind Map Pack maps (any mode)
The Weather Outside Is Lethal
15
Win a multiplayer match on each of the 4 Snowblind Map Pack maps (any mode)
Highway to Hell
25
Complete the "Road to Ruin" deleted scene after choosing the guns blazing option
Party Like It's 1999
30
Play 1999 rounds of multiplayer (any mode)
Bound by a Shared Past
15
Win a Wingman match on each of the 5 Flashback Map Pack maps
It's Good to be the King
10
Win 10 rounds of Guardian as the leader (not Custom)
Standing Here, Beside Myself
10
Win 3 matches of Wingman (not Custom)
Trial by, and on, Fire
20
Survive first 10 Horde waves on Combustible Map Pack maps as a team
Afraid of the Dark
20
Play a multiplayer match on each of the 7 Dark Corners Map Pack maps (any mode)
Forged in the Fire
15
Win a Wingman match on each of the 3 Combustible Map Pack maps
Two for the Road
25
Complete the "Road to Ruin" deleted scene in co-op as either Marcus or Dom
My Way or the Highway
25
Without being detected, complete the "Road to Ruin" deleted scene after choosing the stealth option
Never Eat Red Snow
20
Complete waves 1 through 10 on all Snowblind Map Pack maps in Horde (any difficulty)
Did Not Go Gentle
30
Win a multiplayer match on each of the 7 Dark Corners Map Pack maps (any mode)
Ride It All Night Long
10
Reach level 10 in multiplayer and complete waves 1 - 10 on the Highway map in Horde
Lost in Transition
20
Reach level 20 in multiplayer and complete waves 1 - 20 on the Way Station map in Horde
Be Careful What You Wish For
10
Reach level 8 in multiplayer and complete waves 1 - 10 on the War Machine map in Horde
No, But His Face Rings a Bell
15
Reach level 15 in multiplayer and complete waves 1 - 20 on the Sanctuary map in Horde
Annex: Now With Execution Rules
75
Win an Annex match on each Flashback and Combustible Map Pack map (not Custom)
Battle-Hardened Gear
50
Reach level 50 and play a match on each of the 4 Snowblind Map Pack maps (not Custom)
Beat the Meatflag
10
Capture 10 meatflags in Submission (not Custom)
Icy Dead People
25
Complete waves 1 through 50 on any Snowblind Map Pack map in Horde (any difficulty)
Like Father, Like Gun
30
Reach level 30 in multiplayer and complete waves 1 - 30 on the Allfathers Garden map in Horde
Am I Only Dreaming?
40
Reach level 40 in multiplayer and complete waves 1 - 40 on the Memorial map in Horde
Blood on the Sand
50
Reach level 50 in multiplayer and complete waves 1 - 50 on the Nowhere map in Horde
Is It Hot or Is That Just You?
25
Kill 25 Bloodmounts with a Scorcher while playing Horde on a Dark Corners Map Pack map
Seriously 2.0
50
Kill 100,000 enemies (any mode)
Veteran Gear
75
Reach level 100 and win a match on each of the 4 Snowblind Map Pack maps (not Custom)