10 Gold StarGet 1st Place in a Deathmatch game (Matchmaking)
10 Gravlink ThugUse the Gravlink to throw 15 Lutadore Enemies (Campaign)
10 Kicking Weightless AssEscape from a Lurker's grasp 5 times during single player
15 Gravlink HustlerUse the Gravlink to throw 30 Lutadore Enemies (Campaign)
15 High G AmateurPerform 10 Finishing Moves using High Grav Powers (Campaign)
15 Low G AmateurPerform 10 Finishing Moves using Low Grav Powers (Campaign)
15 SoldierReach Bronze Grav Captain Rank
15 TeamsterBe a part of a winning team in Team Deathmatch (Matchmaking)
15 That’s Assault Brotha!Be a part of a winning team in Assault Mode (Matchmaking)
25 All Up In Them GutsUse a Shotgun to gib 25 Lutadore enemies (Any Difficulty)
25 Burn it DownSet 25 Lutadore enemies on fire with the Lavagun (Any Difficulty)
25 Easy GoingFinish the Campaign on Low Gravity Difficulty
25 EnforcerReach Gold Grav Major Rank
25 GrapplerTake the Gravlink from the Lutadores
25 Gravlink GangstaUse the Gravlink to throw 50 Lutadore Enemies (Campaign)
25 High G ChampPerform 50 Finishing Moves using High Grav Powers (Campaign)
25 I'm About to BlowKill 100 Lutadore Enemies with explosives in the Campaign (Grenades, Rockets, Barrels)
25 Low G ChampPerform 50 Finishing Moves using Low Grav Powers (Campaign)
25 ThreesomeUse the Gravlink to kill 3 Lutadores with one object (Campaign)
5 Ah Gross!Use the Gravlink to throw a corpse at your friend (Co-op mode)
5 Brotastic!Revive a friend online (Co-op mode)
5 Dude Bro!Complete a Campaign level with a Friend (Any Difficulty)
5 Half SackReach Silver Grav Sergeant Rank
5 I'm DesignerChange your multiplayer character's appearance
5 Spot me Bro!Have a friend boost you over a ledge (Co-op mode)
50 Feats Don't Fail Me NowComplete All Multiplayer Basic Challenges
50 FivesomeUse the Gravlink to kill 5 Lutadores with one object (Campaign)
50 Man of MayhemReach Diamond Grav Commander Rank
50 Master BlasterComplete All Multiplayer Weapon Challenges
50 MeatheadsFinish the Campaign with a Friend (Any Difficulty)
50 Normal GuyFinish the Campaign on Normal Gravity Difficulty
50 William Tell RoutineShoot off 100 Lutadore Helmets (Any Difficulty)
75 Rock HardFinish the Campaign on High Gravity Difficulty