BioShock 2
53 Achievements
20-25h
GOG
Found Lamb's Hideout
Gained access to Lamb's stronghold.
26.7%
How to unlock the Found Lamb's Hideout achievement in BioShock 2 - Definitive Guide
*Spoiler* After taking the genetic sample from Gil go back to the oxy fill pump station and activate the lever. A huge rock will open up and the achievement will unlock*Spoiler*