World of Snorecraft
Sid Meier's Law Abiding Merchants!
The Neighbour Scrolls III: Borrowind
Futuristic Bartenders Creed
Turok 2: Seeds of Geraniums
Alwayssummer Days
Ninja Gay Den (probably a Naruto game, Haw-Hee-Haw-Hee-Haw)
Bored of Some Things Online
Age of Gonads
Adam Online (EvE online, but unclear I think)
Mass Erect (I couldn't resist, and I was surprised no-one else had done it already)
Glued Together Sword
Sperms Armageddon (sorry, that one was really bad)
That's all I've got for now.
Oh, and the boxors o' roxors is from VG Cats.