Further information :

-Bug: Since the Skeleton Key Doors aren't implemented, Skeleton Keys are useless and cannot be removed from inventories without cheats due to the limitations of MP2.

-The game needs the extension pack to work, don't forget to activate it!
In Project64, click on "Options" then on "Settings" in the "Options" tab, you must uncheck the "Hide advanced settings" box. Then you have to go back to the settings, there will be many more tabs, click on "ROM settings", and set the RDRAM size to 8MB.

-The game also needs to set the Counter Factor to 1 to remove graphical bugs, don't forget to enable it!
In Project64, click on "Options" then on "Parameter" then on "ROM Settings" you will have to go to "Counter Factor" and modify the value from 2 to 1.