God of War (2005) for PlayStation 3 refers to the PS2 original playable on PS3 via the God of War Collection remaster (God of War I & II) or the 2018 PS4/PS5 remaster (not PS3). This guide assumes you mean the PS2 classics/remaster available on PS3 (God of War Collection). It covers walkthrough, collectibles, combat, bosses, puzzles, and trophies.
Stick to trusted names (like the PS2 Classic Archive or NoPayStation’s PS3 section), and always own a physical copy first. god of war pkg ps3