: The PSP version is a port of the PS2 version with downgraded graphics. Users have reported occasional glitches or freezes during menu screens or intense battles. The Cutting Room Floor Recommended Settings for PPSSPP
For those new to the emulation scene, an ISO is a digital copy of a game disc. A standard PSP ISO for a title like this can weigh anywhere from 1.2GB to 1.8GB. Marvel Ultimate Alliance 2 Psp Iso Highly Compressed