The player has successfully hacked a turret

The player has performed at least one successful hack

The player has successfully completed the Welcome To Rapture Level

Rescue the Mayor and Plumber on Novalis.

Complete the tutorial

Successfully babysit on Hard difficulty for the first time.

Successfully babysit without the baby ever having gotten grabbed by an abductor.

Finish all the games of Mahjong.

Finish a game of Mahjong in less than 1 minute.

Complete the game.

Get to the contents of Davy Jones' chest.

Finish all the puzzles without skipping.

Get to the top of the lighthouse and see what's underneath.