Cheat Codes for System Shock 2:

Entering codes: press SHIFT+Semicolon to get command prompt.

Commands: 
    
ubermensch 	 	Maxed up stats  
psi_full  	 	Maxed up PSI points  
add_pool [number]   	Get [number] of cyber modules  
cycle_ammo  		Cycle ammo  
shock_jump_player  	Jump the player  
look_cursor  		Set cursor into look mode  
reload_gun  		Reload weapon from inventory  
swap_guns  		Switch primary and secondary weapons  
select_psipower  	Bring up the PSI power selection  
open_mfd  		Open up an MFD by overlay constant  
equip_weapon  		Search and equip weapon from inventory  
cycle_weapon [-1 or 1]  Cycle equipable weapons  
psi_power  		Act like the 1-5 level buttons  
stop_email  		Stop current playing email/log  
clear_teleport  	Clear existing teleport marker  
quickbind  		Bind quick slot  
quickuse  		Activate quick slot  
use_obj  		Use object by name  
interface_use  		Use an item in inventory  
play_unread_log  	Play unread log  
show_version  		Display version  
frob_toggle  		Switch between modes  
quicksave  		Save to current subdirectory  
quickload  		Load from current subdirectory  
frob_object  		Simple frob of selected object  
frob_object_inv  	Simple frob of selected object, in world or inventory  
toggle_compass  	Toggle compass state  
toggle_inv  		Toggle inventory panel  
toggle_mouse  		Toggle mouselook and cursor modes  
wpn_setting_toggle  	Toggle between weapon settings  
msg_history  		Toggle message history  
query [0 or 1] 		Toggle query cursor  
split [0 or 1]  	Toggle split cursor  
fire_weapon [0 or 1]  	Fire weapon  
drag_and_drop [0 or 1]  Drag and drop  
drag_and_drop_frob [0 or 1]  Drag and drop  
drag_and_drop_mode [0 or 1]  Drag and drop  
summon_obj [item name]  Create object from item list  
  
 
Item list for the "summon_obj" command:

20 nanites
ap clip
assault rifle
big nanite pile
blast turret
brawnboost implant
crystal shard
electro shock
emp rifle
fusion cannon
gren launcher
heavy armor
ice pick
lab assistant implant
laser pistol
laser turret
light armor
medical kit
medium armor
midwife organ
monkey brain
nanites
pistol
power cell
psi amp
psi booster
recycler
shotgun
slug turret
standard clip
stasis field generator
swiftboost implant
timed grenade
toxin grenade
worm launcher