Every single Guitar Hero game released for the playstation three, also Guitar Hero 1 & 2 for the playstation two will be compatible if played with a PlayStation 3 console.
Guitar Hero III was released on the PlayStation 2, PlayStation 3, Xbox 360, Nintendo Wii and the PC.
No, there is not. Guitar Hero (the original) only came out for the PlayStation 2, and Guitar Hero 2 came out for the PlayStation 2 and XBOX 360.
No. It was only ever released for the PlayStation 2.
So far, the Guitar Hero series has released games for the Wii, Xbox 360, PlayStation 2, and the PlayStation 3. However, a new release for the Nintendo DS is being planned.
Yes, they are compatible with one another.
Guitar Hero - 2005 VG was released on: USA: 1 November 2005 (Playstation 2 version)
PlayStation 2 and 3
guitar hero 5
Guitar Hero: Metallica should be released worldwide and on all consoles (PlayStation 2, PlayStation 3, Xbox 360, Nintendo Wii) by the end of May 2009.
No, it can not.
No, not for Guitar Hero (Wii) nor Rock Band (Wii).