- Pack Rat
Recover 20 Campaign Collectibles (any difficulty, Standard or Arcade).
09 October 2011 - 2 guides
- Respect for the Dead
Secret.
09 October 2011 - 6 guides
- Welcome to Arcade Mode
Complete 5 Arcade Campaign chapters in co-op (any difficulty).
09 October 2011 - 1 guide
- Award Winning Tactics
Earn at least one Onyx medal.
08 October 2011 - 8 guides
- Level 25
Reach level 25.
06 October 2011 - 2 guides
- Enriched and Fortified
Complete all 50 waves of Horde mode (any difficulty, any map).
01 October 2011 - 4 guides
- It's All About the Loot!
Earn the Bronze "Loot Courtesan" medal.
29 September 2011 - 2 guides
- Judge, Jury and Executioner
Get a kill with every possible execution finishing move (any mode).
27 September 2011 - 3 guides
- The Versus Sampler Platter
Complete one match of all six Versus game modes (Standard or Casual).
25 September 2011 - 3 guides
- Wait, What Time is it?
Earn the maximum Consecutive Match Bonus in Versus multiplayer (Standard or Casual).
25 September 2011 - 3 guides
- Level 15
Reach level 15.
25 September 2011 - 2 guides
- Welcome to Versus
Kill 10 enemies in Team Deathmatch (Standard or Casual).
24 September 2011 - 4 guides
- Level 10
Reach level 10.
24 September 2011 - 3 guides
- My Fellow Gears
Complete all Campaign Acts in Co-op (any difficulty, Standard or Arcade).
24 September 2011 - 2 guides
- Ready for More
Complete all campaign Acts on Casual or Normal Difficulty (Standard or Arcade).
24 September 2011 - 2 guides
- You're Dead! Now Stay Dead!
Story Progression in Act 5 Chapter 6 (Standard or Arcade).
24 September 2011 - 2 guides
- Ok. Faith. Yeah. Got It.
Story Progression in Act 5 Chapter 5 (Standard or Arcade).
24 September 2011 - 1 guide
- Look at That, Instant Summer.
Story Progression in Act 5 Chapter 2 (Standard or Arcade).
24 September 2011 - 1 guide
- Welcome To -redacted-
Story Progression in Act 4 Chapter 6 (Standard or Arcade).
24 September 2011 - 1 guide
- Baird's Favorite Kind of Toy
Story Progression in Act 4 Chapter 5 (Standard or Arcade).
24 September 2011 - 1 guide
- Think You Can Handle That?
Story Progression in Act 4 Chapter 3 (Standard or Arcade).
24 September 2011 - 1 guide
- Collector
Recover 5 Campaign Collectibles (any difficulty, Standard or Arcade).
24 September 2011 - 2 guides
- Brothers to the End
Story Progression in Act 3 Chapter 5 (Standard or Arcade).
24 September 2011 - 2 guides
- Lost Your Good Driver Discount
Story Progression in Act 3 Chapter 3 (Standard or Arcade).
24 September 2011 - 1 guide
- Was it Good For You?
Story Progression in Act 3 Chapter 2 (Standard or Arcade).
24 September 2011 - 2 guides
- Anvil Gate's Last Resort
Story Progression in Act 3 Chapter 1 (Standard or Arcade).
24 September 2011 - 2 guides
- Thanks For Flying GasBag Airways
Story Progression in Act 2 Chapter 7 (Standard or Arcade).
24 September 2011 - 2 guides
- Wreaking Locust Vengence
Get a kill with every Locust monster in Beast mode (any difficulty).
24 September 2011 - 4 guides
- Lambency
Execute an Epic employee, or someone who already has Lambency, in Versus multiplayer (any mode).
24 September 2011 - 5 guides
- Welcome to Beast Mode
Survive all 12 waves of Beast mode (any difficulty, any map).
23 September 2011 - 1 guide
- Welcome to Horde Mode
Survive the first 10 waves of Horde mode (any difficulty, any map).
23 September 2011 - 2 guides
- Level 5
Reach level 5.
23 September 2011 - 2 guides
- Oh Yeah, It's Pirate Time
Story Progression in Act 2 Chapter 5 (Standard or Arcade).
23 September 2011 - 1 guide
- Okay, Now We Find Hoffman
Story Progression in Act 2 Chapter 1 (Standard or Arcade).
23 September 2011 - 2 guides
- Putting it Scientifically…
Story Progression in Act 1 Chapter 6 (Standard or Arcade).
23 September 2011 - 2 guides
- My Turf! Cougars Territory!
Story Progression in Act 1 Chapter 5 (Standard or Arcade).
23 September 2011 - 1 guide
- We Struck Gold, Son!
Story Progression in Act 1 Chapter 3 (Standard or Arcade).
23 September 2011 - 1 guide
- Swimmin' in Glowie Gravy
Story Progression in Act 1 Chapter 2 (Standard or Arcade).
23 September 2011 - 2 guides
- Marcus, It's Your Father
Story Progression in Prologue (Standard or Arcade).
23 September 2011 - 2 guides
- Welcome to the Big Leagues
Demonstrate your skill in Casual Versus multiplayer.
23 September 2011 - 3 guides
- Foreshadowing
As RAAM, execute Minh 10 times in Versus MP (Standard or Casual).
16 October 2012 - 11 guides
- Ghosts from the Past
Play 10 matches of Versus as a member of Zeta (Barrick, Tai, Minh, or Valera)(Standard or Casual).
01 April 2012 - 1 guide
- Unarmed and Dangerous
Using the Loader, kill 10 Locust.
13 February 2012 - 7 guides
- Help From My Friends
Complete "RAAM's Shadow" in 4 player co-op in either Arcade or Standard mode.
17 December 2011 - 1 guide
- Some Friendly Competition
Complete "RAAM's Shadow" in Arcade Campaign on any difficulty.
17 December 2011 - 2 guides
- I'm Rubber, You're Glue
As Mauler, kill 10 Gears by reflecting their bullets using your shield.
17 December 2011 - 4 guides
- Death from Above
Using the Hammer of Dawn Command Center, kill 50 Locust.
17 December 2011 - 4 guides
- Welcome To Zeta
Complete "RAAM's Shadow" in Standard Campaign on any difficulty.
13 December 2011 - 2 guides
- Finger of Doom
As RAAM, kill 50 Gears using your Kryll.
13 December 2011 - 3 guides