How do I play PS2 games online
You have to have your PS2 hooked up to the internet through (usually) an ethernet cable and then your games have to be online play compatible. Not only that, but you have to have the network adaptor as well which essentially is just an extension of your system. It runs for about $40.
get you a ethernet cable 1 end 2 your ps2 & 1 2 your modem; put your game in go 2 game modes press play online; create account begin playing . Its free you just pay 4 your internet...good luck
Are you referring to playing them on your pc or through your ps2?
there is a reason why they are called PS2 and noy online games