
The courtyard can be accessed by talking to a Toad behind Peach's castle while wearing the Super Mario 64 costume.

Click on any Super Mario 64: Castle Secret Stars, Cap unlocks for the Red Blue and Green Boxes. Run back to the castle foyerand enter the character In Super Mario 64, if you get fifteen Power Stars, a rabbit will appear in the basement, and, if you catch him, he'll give you a Star. Information about Super Mario 64 first leaked in November 1995, and a playable build was presented days later as part of the world premiere for the Ultra 64 at Nintendo Space World. Others thought it was referring to a date (Feb 04 2001) after which people thought Super Luigi 64 (or Super Mario 64 2) would be released.

Luigi was unlockable on mario 64? GO TO THE COURTYARD AND HIT THE STAR AT THE STATUE AND LUIGI WILL SAY “IT’S LUIGI TIME” THIS ALSO WORKS ON MARIO 3D ALL STARS.
