yes as the topic says i want to show you the sites i have found dedicated to videogame music and it is not only midi files there are on the sites.
ExoticA Amiga music, games and information.
Lemon - Commodore 64 Heaven!
MegaDriver Official Homepage(who was it who showed us that site ?)
OverClocked ReMix - Unofficial Game Music Arrangement Community
PRESS PLAY ON TAPE - The Commodore 64 Revival Band
SNESmusic.org SPC Soundtracks Archive
VGMusic - 24,000+ Game Music MIDI files
(Yakumo puts his midi files on that site)
X-treme Games Music - Only the best game MIDI, MOD, MP3, SID, SPC, GYM and TFMX games music
please post your sites with video game music here in this topic :-)
and some parts of Zophars Domain is dedicated to game music files (like psf files and nsf and other cool game music files)