Start a game from the main menu, and get to the screen where the available titles that you can play are listed. Hold Start + Select + R and press A. A sound effect from The Legend Of Zelda will confirm correct code entry. All games that you have not already unlocked, except those in the "Remix II" and "Bonus" sections, will now be available.
Earn 501 Stars.
Earn Stars to unlock more levels
To change the frame around a game collect every star or every rainbow star set!