Pokémon Ruby, Sapphire, Emerald, FireRed, and LeafGreen can connect to this game through trading and Battle Mode. The game also features several battle modes for single-player and multiplayer gameplay. Unlike previous titles, the game does not feature random encounters with Pokémon, but the player can steal ('Snag') the Pokémon of other Pokémon Trainers. Pokémon Colosseum ( ポケモンコロシアム, Pokémon Koroshiamu) is a role-playing video game developed by Genius Sonority and published by Nintendo as part of the Pokémon series, released exclusively for the Nintendo GameCube.