You may find “downloadable ROMs/ISOs” for emulators (PS2, PSP, Wii, DS).
Physical Copies and Digital StoresThe most reliable way to own the game is by purchasing a physical disc or UMD. The game was released on PlayStation 3, Xbox 360, Wii, PlayStation 2, and PSP. While digital downloads are rare on official consoles today, some legacy stores on the PS3 or PSP may still host your previous purchases if you owned the game digitally in the past. downloads for ben 10: ultimate alien – cosmic destruction