To unlock Cheat Mode, press L1+R1+L2+R2 at the main menu. This will unlock the cheat menu, which contains the following:

  • Freeall: All objects are free.
  • Midas: Unlock all two-player games, objects and skins.
  • Party M: Unlock Party Motel game.
  • Sims: Unlock Play the Sims without going through Get a Life.