You are not logged in.
I noticed there was GameShark Pro code that literally glitched the game to DEATH. Upon looking on eBay, there was none. So if anyone knows where one is, than that would be nice.
Here is the video:
At this point, eBay or Amazon is your best bet. They no longer make them, so you will have to find one used. If there isn't one on eBay, try back another time.
Check them out on Github