Who doesn't like gaming? I'd do it myself if I had time.
Please post interesting game-related gifts in this topic area.
I'll start out with a book on gaming from O'Reilly:

It doesn't take long for an avid or just wickedly clever gamer to be chafed by the limitations of videogame software or hardware. If you want to go far beyond the obvious, there's an awful lot of free fun you can have, using the creative exploits of the gaming gurus. Gaming Hacks is the indispensable guide to cool things gamers can do to create, modify, and hack videogame hardware and software.