You completed the most wanted side mission.

You completed the mission "I'll Take Her".

You completed all 9 assassin missions.

You completed the mission "Museum Piece".

Killed 50 enemies using only hacked Security.

Defeated 3 Big Daddies without dying during the fight.

Defeated the Preacher.

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

Installed the third upgrade to a weapon.

Joined forces with Sinclair in Ryan Amusements.

Adopted a new Little Sister for the first time.

Defended yourself against Lamb's assault in the train station.

Reach Level 5