Assuming you have found a legitimate ISO/CSO (perhaps by ripping your own UMD or finding an archival backup), here is how to play it on a modern device.
We do not condone piracy, but we understand the reality: physical PSP UMDs are discontinued, and second-hand copies are expensive. Here is how to navigate the search safely. Assuming you have found a legitimate ISO/CSO (perhaps
The roster was a perfect time capsule. You had legends like Mike Tyson (pre-order bonus), contemporary stars like CM Punk (during his 434-day title reign), Daniel Bryan (pre-Yes Movement), and The Shield making their video game debut. The mix of NXT rookies and WWE Hall of Famers gave endless match-ups. Problem: "Audio is crackling or desynced
Once you finally get your "highly compressed" ISO, you might encounter problems. Here are fixes: Problem: "Royal Rumble match runs slow
Problem: "Game loads to black screen."
Problem: "Audio is crackling or desynced."
Problem: "Royal Rumble match runs slow."