Dissolution of Eternity
From Quake Wiki
Dissolution of Eternity is Quake's second official mission pack. It was developed by Rogue Entertainment.
If you just have the /rogue folder and no executable or link, you can start it by running Quake with the command line parameter -rogue.
This article is currently pending a significant rewrite due to its importance for the wiki, expect the current page to change drastically.