Be a part of a winning team in Assault Mode (Matchmaking)
Have a friend boost you over a ledge (Co-op mode)
Finish the Campaign on High Gravity Difficulty
Finish the Campaign with a Friend (Any Difficulty)
Use the Gravlink to throw a corpse at your friend (Co-op mode)
Revive a friend online (Co-op mode)
Complete a Campaign level with a Friend (Any Difficulty)
Be a part of a winning team in Team Deathmatch (Matchmaking)
Shoot off 100 Lutadore Helmets (Any Difficulty)
Kill 100 Lutadore Enemies with explosives in the Campaign (Grenades, Rockets, Barrels)
Perform 50 Finishing Moves using High Grav Powers (Campaign)
Use the Gravlink to throw 50 Lutadore Enemies (Campaign)
Perform 50 Finishing Moves using Low Grav Powers (Campaign)
Finish the Campaign on Low Gravity Difficulty
Finish the Campaign on Normal Gravity Difficulty
Continue playing to unlock this secret achievement.
Perform 10 Finishing Moves using High Grav Powers (Campaign)
Use the Gravlink to throw 30 Lutadore Enemies (Campaign)
Set 25 Lutadore enemies on fire with the Lavagun (Any Difficulty)
Escape from a Lurker's grasp 5 times during single player
Use the Gravlink to throw 15 Lutadore Enemies (Campaign)
Use a Shotgun to gib 25 Lutadore enemies (Any Difficulty)
Perform 10 Finishing Moves using Low Grav Powers (Campaign)
Use the Gravlink to kill 5 Lutadores with one object (Campaign)
Use the Gravlink to kill 3 Lutadores with one object (Campaign)
Get 1st Place in a Deathmatch game (Matchmaking)
Change your multiplayer character's appearance
Take the Gravlink from the Lutadores
Reach Silver Grav Sergeant Rank
Reach Bronze Grav Captain Rank
Reach Gold Grav Major Rank
Reach Diamond Grav Commander Rank
Complete All Multiplayer Weapon Challenges
Complete All Multiplayer Basic Challenges
