Downloading "highly compressed" ISO files for God of War (2005) often involves significant risks or technical trade-offs. The original PlayStation 2 game was released on a dual-layer DVD (DVD9), which has a capacity of approximately . Solid Report on Compression Sizes
You will often see files labeled as God of War 1 (50MB only) or 100MB .
If you want, I can:
God of War is a trademark of Sony Interactive Entertainment and developed by Santa Monica Studio.