Originally, the idea was to enhance my coding skills, but it's turned into more of a fun project. I'm in the process of creating a single-player puzzle text based adventure game! It's pretty lame at this point, and suggestions are welcome.
Check out the forum topic at QuakeDev:
http://www.quakedev.com/forums/index.php?topic=72.0
Or download the newest version:
http://www.freewebs.com/entar/files/textquest.exe