In the japanese version, pokemon stadium comes with an 64 GB pack (see a picture lower). It plugs into the memory card slot and is sort of like a rumble pack. If you own a pokemon gameboy game you can plug the pokemon game into the 64 GM pack and switch data between the 2 games.This allows you to bring pokemon you catch from pokemon gameboy and play it in 3D. Sweet. This allows for better multiplayer battles with better graphics then the Game Boy!

The 64 GB Pack(which is only in Japan) you get to plug Pokemon Game Boy into your controller, Download your pokemon into the Poekmon Stadium. Then you can fight with your firends.Also to the battle feaures, Pokemon Stadium lets you play your pokemon game on the n64 and browse a pokemon encyclopedia. Unfortunately American game boy pokemon games will not work with Pokemon Stadium, making it an import only for the people who have a Japanese version of the game.

The Computer: The computer has 4 boxes each holding 30 slots each so you can save data of 120 pokemon. That isn't enough to hold all your pokemon. But it allows you to transfer your info back to your cartridge

Pokemon Book: Allows you to create an electronic photo album of your collection. Catagorizing all 151 pokemon. And you can see them in 3D. This also allows youto include maps that show exact locations of the pokemon.

Quick Look: This option allows you to look at your collection, lists the pokemon's name, type, number, techniques, and other stats. It also shows which items are stored in the computer, on the cartrage. So you can use this tool to quickly select which pokemon you wan to use in combat.

Game Boy(GB): It allows you to play the game boy pocket monsters on your n64 on your tv screen.

Collection: It is a database of all the monsters. Players can check out the attributes and info of their creatures, as well as size up to the opposition, and discover which attacks may have an advantage or be used against them in upcoming battles.