BioShock 2
53 Achievements
20-25h
GOG
Litmus Test
Earned 6 stars in the Protector Trials
4.4%
How to unlock the Litmus Test achievement in BioShock 2 - Definitive Guide
Brenin Watson
TrueAchievements
TrueAchievements
You will unlock this by completing the first few challenges.
The first challenge gives one star, the second challenge gives 2 stars, and the third challenge gives three stars. Equaling six stars.
The first challenge gives one star, the second challenge gives 2 stars, and the third challenge gives three stars. Equaling six stars.
Scotty
To unlock this achievement you will need to earn 6 stars in the Protector Trials.
See "Trial by Fire" for more details.
Fizzmatix, litepink, ParoXysm, QC
See Trial By Fire for more information.
DudeInDistress
See Trial by Fire