A properly sourced "Mortal Kombat Shaolin Monks PS2 ISO highly compressed extra quality" does exist, but you have to be patient. Avoid "Repack" sites from 2009. Look for Reddit megathreads (r/Roms) and archive dot org collections.
The owner smiled, popped the disc out, and put it on the shelf for rent. A properly sourced "Mortal Kombat Shaolin Monks PS2