I had no idea there was an entire genre of music devoted to 8-bit 'Nintendo' sounds.

Thought this video was pretty sick:

"Atomic" cover by Glomag f. stealthopera @ Blip Festival 2008 in NYC
http://vimeo.com/2564336

I think that guy is using an actual Game Boy to control the music...

There's more than one.

Shit's called chiptune

That shit sucked though check these out

http://uk.youtube.com/watch?v=wtZ1d6ovVNw&...feature=related

http://uk.youtube.com/watch?v=kLRsu-P0vfk&...feature=related

http://uk.youtube.com/watch?v=dNY0g7s4ryk

http://uk.youtube.com/watch?v=qsJkbbUT9fM&...feature=related

Check out 8 Bit Weapon

http://www.myspace.com/8bitweapon

Not 8 Bit Music, But fucking Amazing Covers of Video Game Music.
www.myspace.com/vgmetal