This is the current version of SHTUP for NewDark SS2.
SHTUP Beta 6
This is the most recent version of SHTUP for vanilla SS2.
Managed Install
Use the Dark Engine Mod Manager to install.

Manual Install
Not recommended unless you really know what you're doing.
Un-ZIP into the root of your SS2 install folder, with "Use Folder Names" enabled. Then follow the included installation instructions.

The Newbie's Guide to System Shock 2
This is a spoiler-free guide for first-time players. Click here to read.