To address your request, it is critical first to clarify a common misconception: Prince of Persia: The Forgotten Sands
Fan-made ISOs: Some websites host modified files that may actually be the Sands of Time or other titles from the original trilogy renamed to look like The Forgotten Sands. To address your request, it is critical first
Extremely low compression (e.g., ripping audio or downscaling FMVs) can degrade the experience. A good highly compressed file removes redundant data but leaves gameplay untouched. Beware of “repacks” that delete cutscenes. Beware of “repacks” that delete cutscenes
Bottom line:
The PSP Version: The PlayStation Portable (PSP) received a unique 2.5D side-scrolling version. For those asking about a “highly compressed” ISO:
If you own the original disc, you can back it up legally. For those asking about a “highly compressed” ISO: compressing a game you’ve ripped yourself is possible using tools like gzip or CSO compression (via programs like Ciso or UMDGen). A typical PS2 ISO (~1–4 GB) can be reduced in size, but expect some emulation slowdown or compatibility issues depending on the settings.
This game uses advanced PS2 effects (transparency, fog, and depth of field). To avoid graphical glitches: