There are no cheat codes for The Elder Scrolls IV: Oblivion on PS3. Unlike the PC version (which has the Console `~`), the PS3 version has no developer console, no cheat menu, and no button-code cheats.
tgm, player.additem). Best version by far.Tools like Oblivion Save Editor (PC) can modify PS3 saves if you decrypt the save (requires CFW PS3 or save resigning tools). High corruption risk. Not recommended.
Advice: Just slide the Difficulty to Very Easy. Oblivion's scaling makes "Normal" brutal for unoptimized builds. No shame in it.