System Shock - The Cutting Room Floor

System Shock - The Cutting Room Floor is a different feature, with the author crawling through the original System Shock's resource files to find unused items. Apparently System Shock has a "wide variety of unused, unfinished, or dummied-out items, textures, and enemies, as well as text, audio logs, and other miscellaneous graphics".
More information.

That was very interesting to see some of what could have been if the ideas had been fleshed out, as well as the dregs left over and not used during the development.

The "Welcome to the throne of God" would have been a great message from Shodan when entering the bridge. You have to wonder why they didn't use these since they were obviously in the res files.