Found your way back into the ruins of Rapture.

The player has performed at least one successful hack

The player has successfully completed the Welcome To Rapture Level

Win a multiplayer match

Defeated Kane

Destroy a Titan with your Burst Core in the Campaign

Completed training

Kill Hoyt.

Beat Pilot Anderson's Gauntlet ghost recorder time

Use your wingsuit to reach the Southern island.

Survive the encounter with Vaas and escape.

Rescue Keith from Buck.