O/S Upgrades are granted to the Soldier by special upgrade stations, identifiable by their unique light blue display. O/S Upgrades give special statistical bonuses and abilities which are unattainable otherwise. The Soldier can have four O/S Upgrades installed at a time. O/S Upgrades are permanent, and cannot be uninstalled. O/S Upgrade stations are exhausted after a single use.
- MedSci Deck: Crew Quarters, in the lounge area.
- Hydroponics Deck: Through the door to the right of the Von Braun's Elevator, guarded by Laser Turrets and a Security Camera.
- Recreation Deck: 1st floor of the Mall.
- UNN Rickenbacker: The Bridge.
List of O/S Upgrades
Cybernetically Enhanced: Allows the Soldier to use two implants at once.
Lethal Weapon: Increases melee damage by 35 percent.
Pack-Rat: Grants the Soldier access to an extra column of inventory slots.
Sharpshooter: Increases ranged weapon damage by 35%, contrary to what the game tooltip says.
Smasher: Allows the Soldier to charge up an overhand smash with melee weapons for bonus damage by holding down the attack button. The difference is especially perceptible in the case of Crystal Shard.
Speedy: Increases movement speed by 15%.
Strong Metabolism: Reduces radiation and toxin damage by 25%.
Tank: Increases maximum health by 5 points.
|System Shock 2 Character Builds|
|Classes||Marine • Navy • O.S.A. Agent|
|Statistics||Strength • Endurance • Psionic Ability • Agility • Cybernetic Affinity|
|Technical Skills||Hacking • Repair • Modify • Maintenance • Research|
|Combat Skills||Standard Weapons • Energy Weapons • Heavy Weapons • Exotic Weapons|
|O/S Upgrades||Cyber-Assimilation • Cybernetically Enhanced • Lethal Weapon • Naturally Able • Pack-Rat • Pharmo-Friendly •|
Power Psi • Replicator Expert • Security Expert • Sharpshooter • Smasher • Spatially Aware • Speedy •
Strong Metabolism • Tank • Tinker