Yes, all 11 games.
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.
Guitar Hero 4 is coming out for the Nintendo DS not the playstation 2.
it came out in 2004 for the PlayStation 2
yes The first Guitar Hero came out on PlayStation 2 in November 2005.
Yes, Guitar Hero: Metallica will be released for the PlayStation 2.
Yes, they are compatible with one another.
PlayStation 2 and 3
guitar hero 5
No, they are designed differently.
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.
Yes
Yes there is