Alternatively, it has also been said to be unlocked by the unused Big Star Key, likely due to the area's association with minigames as the regular Star Keys dropped by rabbits unlock minigames. How it is found is inconsistent in reports, likely due to personalization, but it typically appears behind the unused 5-star door found in the files of SM64DS, and usually requires the player to beat all of the Luigi's Casino minigames before the level is unlocked. The level is usually described as an anomalous course only playable by Luigi.
A painting associated with Luigi's Casino.
