Here are games that I am, or have been, GMing. There is a roundup page specifically for GURPS Dungeon Fantasy: Felltower, since that's the main core of my gaming.
If you want to see what I play or played, click the Games I Play In page link.
S2 White Plume Mountain
GURPS Dungeon Fantasy: Felltower
GURPS Lite Solo
GURPS Lite in the Classroom, Session #2
GURPS Lite in the Classroom, Session #3