Click on cheats and on cheats and there is one dialouge box and if you see 
in the end of the box then you will find "Activate Cheat" and click on a 
one name of of the list and the on activate cheat. If you have done it 
correcttly then the star sign will appear and it goes up and you con do 
what you wanna do. Test it. This can work on all other Nitendo 64 games.