System Shock 2 Cheats

Enter one of the following values with the "summon_obj [item name]" code:

Maximize Statistics and Skills:
During game-play hold Shift and press ';' to bring up the console window, then type 'ubermensch' and press 'Enter'.
God Mode:
During game-play hold Shift and press ';' to bring up the console window, then 'undead' and press 'Enter'.

Go to the wall opposite the Registration Building at
street level before going into the UNN building. Locate for the
short ledge to the right. Walk up to it, hold [Space] and
walk forward. Look at the basketball located there, and right
click to take it. After reaching the gym on the recreation deck
(where first rumbler is fought), right click on the basketball
to shoot. Keep trying until sinking a basket to view a hidden
message.

While playing a game, hold SHIFT and press the semicolon (;) to display the command prompt. Then press TAB to display the last command entered in the list.

Molec. Analyzer
ICE Pick Recycle
r 1 Nanite
5 Nanites
10 Nanites
20 Nanites
Fusion Shot
EMP Shot
Explode Barrel
Rad Barrel
Stats Trainer
Tech Trainer
Weapon Trainer
PSI Trainer
WormGoo

Hydro Card A (listed as Hydroponics A)
Hydro Card B (listed as Hydroponics B)
Hydro Card D (listed as Hydroponics D)
Rickenbacker Card (unknown/not listed)
Bridge Card (listed as Bridge Access Card)
Security Card (not listed, but used on Deck 4 for access to Sim Unit 2)
RadKey Card (unknown/adds "Circuit Card" to your inv.)
ID Cards (unknown/not listed)
Rick Room Key (listed as Diego's Room Key)
Ops Override Key (again used on Deck 4)
Eng Override Key (unknown/not listed)
Shuttle Access Key (listed as Shuttle Bay Access)