System Shock 2: 25th Anniversary Remaster
NightDive Studios • Jun 26, 2025
GOG
50
Achievements
11,358
TH Points
Expanding your mind Secret Achievement Secret Achievement
Secret Achievement
Choose the OSA career path Details for this achievement will be revealed once unlocked
How to unlock the Expanding your mind achievement in System Shock 2: 25th Anniversary Remaster - Definitive Guide
ResetRPG 
TrueAchievements
TrueAchievements
At the end of the tutorial, just walk through the OSA door to join. It will be clearly shown.
Note: Make a save before walking through the door to get the Marines, Navy, and OSA achievements without having to redo the tutorial.
Note: Make a save before walking through the door to get the Marines, Navy, and OSA achievements without having to redo the tutorial.
