To clarify, Sonic Unleashed was never officially released for the PlayStation Portable (PSP)
Because there is no official PSP ROM, any "Sonic Unleashed PSP ROM" found online is likely a fan-made project , or potentially malicious software. Official Versions vs. Fan Projects If you are looking to play Sonic Unleashed i--- Sonic Unleashed Psp Rom Download
, you can choose from these official versions or notable fan recreations: To clarify, Sonic Unleashed was never officially released