Pokémon Stadium 2 is a battle simulation game released by Nintendo for the N64 on December 14, 2000. It supports 1-4 players and offers multiple modes, including Stadium challenges, Gym Leader Castle, Free Battle, Pokémon Academy, and mini-games. Players can transfer Pokémon from Game Boy versions like Red/Green/Blue, Yellow, and even Gold/Silver via the Transfer Pak, or use rental Pokémon for battles. The game also features 12 new mini-games, such as Pichu's power-generating contest, to boost fun. Additionally, players can play compatible Pokémon games at the GB Tower via the Transfer Pak, or view the 3D Pokédex and trade Pokémon at the lab.