For collectors or those who prefer physical media:
Downloading a .exe file named "GOW3_Keygen.exe" is a fast track to disaster. Modern antivirus software flags these universally. In 99.9% of cases, these programs do not generate keys (because the algorithm doesn't exist for a console game). Instead, they install: God Of War 3 Licence Key
Sony’s subscription service is fantastic for this title. For collectors or those who prefer physical media:
God of War 3 was originally released on March 16, 2010, exclusively for the PlayStation 3. Four years later, a remastered version—God of War 3 Remastered—launched for the PlayStation 4. Neither of these versions uses the "CD key" or "product key" model. Neither of these versions uses the "CD key"
Unlike PC games from the mid-2000s (like Half-Life 2 or The Sims), console games rely on physical discs or digital licenses tied directly to a user account (PlayStation Network). When you buy God of War 3 Remastered from the PlayStation Store, the game is automatically added to your library. There is no code to type in within the game.
What about PSN Codes? You may have seen "PSN Gift Cards" or "Game Vouchers" for sale. These are not God of War 3 licence keys. They are store credit vouchers. You redeem them on the PlayStation Store to add funds to your wallet, then you use those funds to purchase the game. The "code" unlocks money, not the game itself.