NoPayStation is excellent for playing official PS2 Classics on a hacked PS3 or RPCS3. For everything else, use traditional PS2 backup methods.
NoPayStation does not host ROMs or ISOs directly. Instead, it provides links to official —the emulated versions of PS2 games sold on the PlayStation Store for PS3, PS4, and PS Vita. nopaystation ps2
The Role of NoPayStation in PlayStation 2 Game Accessibility NoPayStation is excellent for playing official PS2 Classics
For those looking to play the full breadth of the PS2 library—especially titles never digitized by Sony—alternative methods are required: nopaystation ps2
: Users typically use the NPS Browser on PC or the PKGi homebrew app on a jailbroken PS3 to find and download these specific PS2 Classics. Alternatives for Comprehensive PS2 Access