If you want to skip the grind and jump straight to the action with all weapons and costumes unlocked, you can download community saves.
Progress in the original PS3 release is primarily tied to "cones of light"—specific, manual save points scattered throughout Olympus. While later entries like God of War: Ascension leaned more heavily on autosave, God of War III God Of War 3 Save Data Ps3
Use the PS3’s data transfer utility for console upgrades. If you want to skip the grind and
Sometimes, players encounter issues where data becomes corrupted or they wish to utilize advanced tools: God Of War 3 Save Data Ps3