To use a God of War II ISO, you generally need an emulator or modified hardware:
Downloading "highly compressed" versions from unofficial sites carries significant technical and security risks: god of war 2 highly compressed ps2 iso
Let's be direct: searching for God of War 2 highly compressed PS2 ISO is overwhelmingly used for piracy. Sony has never officially released this game as a free download. While emulation is legal, downloading the game file from a random forum is not. To use a God of War II ISO,