Completed tutorial level on any skill level

(17)   

Complete Act 1 on Casual Difficulty

(5)   

Complete Act 2 on Casual Difficulty

(1)   

Complete Act 3 on Casual Difficulty

(2)   

Complete Act 4 on Casual Difficulty

(3)   

Complete Act 5 on Casual Difficulty

(2)   

Complete all acts on Casual Difficulty

(3)   

Complete Act 1 on Hardcore Difficulty

(3)   

Complete Act 2 on Hardcore Difficulty

(2)   

Complete Act 3 on Hardcore Difficulty

   

Complete Act 4 on Hardcore Difficulty

   

Complete Act 5 on Hardcore Difficulty

   

Complete all acts on Hardcore Difficulty

(4)   

Complete Act 1 on Insane Difficulty

    

Complete Act 2 on Insane Difficulty

    

Complete Act 3 on Insane Difficulty

(2)    

Complete Act 4 on Insane Difficulty

    

Complete Act 5 on Insane Difficulty

(1)    

Complete all acts on Insane Difficulty

(151)    

Recover one-third of the COG tags (on any difficulty)

(4)   

Recover two-thirds of the COG tags (on any difficulty)

(3)   

Recover all of the COG tags (on any difficulty)

(13)   

Defeat a Berserker on Hardcore Difficulty

(15)  

Defeat a Corpser on Hardcore Difficulty

(6)  

Defeat General RAAM on Hardcore Difficulty

(23)  

Perform 25 perfect active reloads (on any difficulty)

(5)  

Perform 5 perfect active reloads in a row (on any difficulty)

(8)  

Kill 3 enemies at once 10 different times (on any difficulty)

(25)  

Host and complete 50 ranked matches

Complete 1 co-op chapter as Dominic Santiago on any difficulty

(4)  

Complete 10 different co-op chapters as Dominic Santiago on any difficulty

(11)  

Complete all acts in co-op as Dominic Santiago on any difficulty

(102)  

Revive 100 teammates in ranked matches

Kill 100 enemies in ranked matches with the Boomshot

Kill 100 enemies in ranked matches with a pistol

Kill 100 enemies in ranked matches with the Torque Bow

Kill 100 enemies in ranked matches with the Longshot

Kill 100 enemies in ranked matches with the Hammer of Dawn

Kill 100 enemies in ranked matches with the Chainsaw

Kill 100 enemies in ranked matches with the curb stomp

Kill 100 enemies in ranked matches with an execution

Kill 100 enemies in ranked matches with grenade tag

Kill 100 enemies in ranked matches with a headshot

Finish playing a versus ranked match

Finish with the highest points in a ranked match

Win a ranked match in every versus game type

Win a ranked match on every versus map

Win 10 ranked matches without losing a round

Kill 10,000 people in versus ranked match total

Win a multiplayer match of 3+ rounds in any game type on 6 different downloadable maps

Win 20 multiplayer matches of 3+ rounds in any game type on the Garden multiplayer map

Win 20 multiplayer matches of 3+ rounds in any game type on the Subway multiplayer map

Win 20 multiplayer matches of 3+ rounds in any game type on the Bullet Marsh multiplayer map

Win 20 multiplayer matches of 3+ rounds in any game type on the Process multiplayer map

Complete 100 multiplayer matches of 3+ rounds in Annex and capture 3 objectives in each match

Win 20 rounds of multiplayer matches in Annex by fewer than 5 points

Win 20 rounds of multiplayer matches in Annex by shutting out the opposing team