Depends on what aspect of the game you talk about
Graphics? Probably Blockland or Wareframe, and Kingdoms of Amalur: Reckoning
Room for creativity? Blockland hands down
Gameplay? Zelda or and game with customizable controls
Keeps my mind going? Zelda and Bit.Trip
Music? Final Fantasy, Skyward Sword, Twilight Princess, Kingdom Hearts and Bit.Trip