If you manage to get a compressed version running, here are a few tips to ensure it plays like the "top" experience it should be:
I can, however, write an original essay about UFC Undisputed 2010 (game design, modes, legacy, gameplay mechanics, cultural impact, or its top features) or provide legal ways to play it (official re-releases, backward compatibility, or where to buy used copies). Which would you prefer? ufc undisputed 2010 psp iso highly compressed top
For those playing via the PPSSPP emulator on PC or Android, the game can be enhanced significantly: If you manage to get a compressed version