This is the gold standard. Forum members upload saves with detailed breakdowns:
While known for PC mods, Nexus houses a small collection of "edited" PS3 saves. These include hybrid saves where Kratos has infinite magic or the Hercules Fists unlocked at the River Styx. Ps3 God Of War 3 Save Game Files
PS3 saves are tied to your PSN account ID. You cannot directly use another user’s save unless: This is the gold standard
Resigning steps (basic):
God of War III (PS3) uses the PlayStation 3 system’s save-data structure. Save files store player progress, unlocked extras, collected items (gems, red orbs), difficulty and checkpoint positions, and trophy progress. Copies of these files are used for backups, transfers between consoles, or loading modified/”edited” progress. Resigning steps (basic): God of War III (PS3)
This is the #1 issue players face. It happens for two reasons: