Sony Playstation 2 games are DVDs... DVD - about 4.7 gig for a single-layer, single-sided; CD - 700 meg
You might want to go to www.gamecopy.com or www.gamecopyworld.com I can not remember for sure. There they have instructions on how you can back up games for your psx2. They also have links to the programs needed to accomplish this! Hope this helps some Later, Dave