Marvel: Ultimate Alliance, a 2006 PSP action-RPG by Vicarious Visions and Activision, lets you team up with Marvel heroes. Selling ~600,000 copies, it’s a 2025 retro classic.

The .iso/.cso ROM (~1.1 GB) features vibrant graphics and an epic soundtrack, running smoothly on emulators like PPSSPP on PC, Android, or iOS. Legally download Marvel: Ultimate Alliance PSP ROM by dumping your UMD with a modded PSP or UMD Dumper. Avoid illegal ROM sites due to malware and Activision’s copyright rules. Buy Ultimate Alliance UMDs (~$15–$40 in 2025 on eBay) for legal dumping. Save the day legally at Gigarom!