BioShock 2
69 Achievements
21-25h
PS3
Litmus Test
Earn 6 stars in the Protector Trials
1.0%
How to unlock the Litmus Test achievement in BioShock 2 - Definitive Guide
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.
To unlock this achievement you will need to earn 6 stars in the Protector Trials.
See "Trial by Fire" for more details.
See Trial By Fire for more information.
See Trial by Fire