Reach the summit with a companion and return to the beginning.

Complete Gearhead Vault in the Campaign

Complete Blue Line Station in the Campaign

Score at least 2505 points in a session (Multiplayer).

Earn the INCOGNITO bonus (Multiplayer).

Discover all cloth creatures in the desert.

The player has become a Big Daddy

The player has either Harvested or Rescued every possible Little Sister

The player has broken Fontaine's mind control

The joke's on who?

Find a way into the secret base

300 Headshots

Select a Standing Stone blessing