: After the 10th episode, characters gain "Boosts" that allow them to reach previously inaccessible collectibles across Springfield, such as Duff Bottlecaps for Homer or Koupons for Bart.
Since there is no direct "Unlock All Levels" button code for the PS3 version of The Simpsons Game , use these methods to access content: Simpsons Game Cheats Levels On Ps3
For more detailed level guides, you can visit the IGN PS3 Cheats Guide or the GameSpy Walkthrough . PS3 Cheats - The Simpsons Guide - IGN : After the 10th episode, characters gain "Boosts"
: For the digital PS3 The Simpsons Arcade Game (if you have it installed), press Up, Up, Down, Down, Left, Right, Left, Right, Circle, X at the Intro Screen to unlock all stages and extras. 🗺️ "Enter the Cheatrix" Level 🗺️ "Enter the Cheatrix" Level : While a
: While a code exists for the PSP version, on PS3, you must finish the story to view the full collection of cinematics in the Extras menu.
: Bart and Lisa find themselves inside the "Game Engine" where they must fight waves of classic game enemies.
: Once a level is completed, it can be replayed at any time through the Warp Zones in the Springfield hub or via the Pause Menu.