Delete saved data:
Press Up(2), Down(2), Left(2), Right(2) at the title screen.
Gallery Corner Museum:
60 Stars are needed to unlock the nine titles for display only (not actual game
play). They are, in order of appearance: Manhole, Tropical Fish, Mario's Bombs
Away, Parachute, Bombsweeper, Climber, Safebuster, Lifeboat, Zelda.
Five extra games:
As you gain more Stars, you can unlock Chef, Mario Bros., Donkey Kong, Octopus,
and Fire Attack (in that order) for classic and modern game play.
Star features:
The more stars you gain, the more features you will unlock. Note: Museum games
are classic play only. You do not earn any Stars for the games in the museum.
Sites: