Complete a match in all multiplayer modes.

Kill 2 multiplayer enemies with a single explosive.

Kill 20 enemy players in multiplayer using a turret.

Installed the third upgrade to a weapon.

Killed 50 enemies using only hacked Security.

Defeated 3 Big Daddies without dying during the fight.

Enough running! I'll burn her to the ground right here! (Ch. 10)

Researched a Splicer with the Research Camera.

Joined forces with Sinclair in Ryan Amusements.

Bought one Plasmid or Tonic Slot at a Gatherer's Garden.

Got through a Gather with no damage and no one getting to the Little Sister.

Hacked one of each kind of machine.

Purchase a new multiplayer character.