Wikipedia
- Article describing development, gameplay, soundtrack, reception, technical issues, and future games.
- http://en.wikipedia.org/wiki/Guitar_Hero_II

GameFAQs
- FAQs, cheats, saved games, reviews, images, and a message board.
- http://www.gamefaqs.com/console/ps2/data/932565.html

GameSpot
- Reviews, news, previews, images, videos, cheats, and a forum.
- http://www.gamespot.com/ps2/puzzle/guitarhero2/

Team Xbox
- Reviews, previews, cheats, news, and screenshots.
- http://games.teamxbox.com/xbox-360/1567/Guitar-Hero-II/

CCG
- Provides a list of cheats and unlockable songs.
- http://www.cheatscodesguides.com/xbox-360-cheats/guitar-hero-2/

IGN
- Videos, screenshots, cheats, FAQs, reviews, previews, news, press releases, and a message board.
- http://xbox360.ign.com/objects/857/857449.html

GameSpy
- Review, previews, cheats, news, screenshots, and movies.
- http://xbox360.gamespy.com/xbox-360/guitar-hero-2/