playstation 2 is better
No. PlayStation 2 games are not backwards-compatible with the original PlayStation.
no Playstation games are not stocked at the exchange
Yes the Playstation 2 unit will play all the original Playstation games no special equipment is needed except an original Playstation memory card if you desire to save your game progress.
playstation 1 games work for all playstation 3s but only some playstation 3s can play playstation2 games
No, you cannot play original PlayStation games on a PlayStation 3.
You can play select titles of original games from the same country
Yes, On The Original PS3
No the games for the PS2 do not work on the original PlayStation that the PS2 replaced
Yes both the Playstation 2 and Playstation 3 models support backwards compatibility of original Playstation system games.
No, only the original PS3s can play PS2 games.
original not slim
You can "play" PS games on the PS2