Yes.
yes
Yes they can.
No PlayStation 3 games do NOT work on the PlayStation 2 system.
no
Yes a person can play playstation games on a playstation 2 .i have a playstation 2 and i can play ps 1 games on it.
No they do not work in a PS2
NO ... but PS2 games work on PS3 consoles ...
No you can not it is not compatible for the playstation 1
Yes, you can use them to save PlayStation 1 games when you play them on the PlayStation 2.
Yes, a Region 3 PlayStation 3 game will work on a Region 1 PlayStation 3 system. The PlayStation 3 does not have regional lockouts for PlayStation 3 games. It does however have regional lockout for PlayStation games, PlayStation 2 games, DVD movies, and Blu-ray movies.
No a PS2 game is not going to work on a PS1. The PS2 games are DVDs and the PS2 is more advanced
actually yes it does rock band will work for all gh games and gh will work for all rock band games