Look for releases by groups like (though PC-focused, some console packs exist) or "Piso" releases. Search terms: "GOW2 PS2 P2P" or "God of War 2 PS2 [HIGHLY COMPRESSED] [400MB]" – be wary of sub-600MB files; they are usually broken or missing FMVs.
: While the standard game file is nearly 8GB, "highly compressed" versions typically range between 179MB and 200MB How it Works God Of War 2 Ps2 Iso Highly Compressed
The pursuit of a "highly compressed" ISO for God of War II on PS2 typically aims to reduce the game's massive original file size to save storage space or bandwidth. While the original game is a Dual Layer DVD (DVD9) 6.5 GB to 8.0 GB Look for releases by groups like (though PC-focused,
: Walmart offers restored versions for about $39.95 . God Of War 2 Ps2 Iso Highly Compressed