Other features of Pokémon Stadium include mini-games, versus-style battles, a hall of fame, compatibility with the Game Boy Printer, and a built-in emulation function for Pokémon Red, Blue, and Yellow. Another battle mode called Gym Leader Castle allows battles against the eight Kanto gym leaders and the Elite Four. One main focus of the game is completion of the four stadium cups, each of which is a series of three-on-three Pokémon battles against an ordered lineup of opponents. Using the Transfer Pak accessory that was bundled with the game, players are able to view, organize, store, trade, and battle with their own Pokémon uploaded from Pokémon Red, Blue, and Yellow. Gameplay is built around a 3D turn-based battling system using the 151 creatures from the Game Boy games Pokémon Red, Blue, and Yellow. First released in Japan in April 1999, it was later released as the first Stadium title in Western regions the following year, and is a sequel to the Japanese-only 1998 Nintendo 64 release, Pokémon Stadium.

Pokémon Stadium, released as Pokemon Stadium 2 in Japan, is a strategy video game developed and published by Nintendo for the Nintendo 64 video game console.

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