Before we proceed, it is critical to understand the law. God of War is owned by Sony Interactive Entertainment and Santa Monica Studio. It is not freeware.
That said, because the PS2 generation is old and Sony has not officially re-released the original PS2 version on modern PC stores (only the remastered PS3/PS4 versions exist), the "abandonware" community actively preserves this title.
This community-driven site specializes in highly compressed PS2, PSP, and GameCube games. Their God of War file is usually under 600MB. They use 7z compression and often include pre-configured settings for emulators like PCSX2. download god of war ps2 iso highly compressed
Use 7-Zip or WinRAR to extract the compressed archive. This will return the file to its original 4GB size (temporarily). Note: While it takes 4GB on disk, it only took 600MB to download.
The safest way to get a "highly compressed" version is to make it yourself. If you own the original disc or a full 4GB ISO: Before we proceed, it is critical to understand the law
The resulting .7z file will usually be around 700MB to 900MB. This is a proper, safe, non-malicious compression.
Note: If the archive contains a .chd file, PCSX2 reads CHD natively—no need to convert. CHD provides excellent compression (often 30-40% savings). That said, because the PS2 generation is old
Before you spend time downloading the compressed PS2 ISO, consider: