Evolution/Side Games/Pokémon Colosseum and XD: Gale of Darkness

In and, while evolution typically works as normal in the main series, Shadow Pokémon are incapable of evolving until they are purified and return to normal. In Pokémon XD: Gale of Dakrness, the player's is incapable of evolving into  or  through normal methods, because the game does not have a Time mechanic. However, early in the game, the player is given their choice of evolution item to evolve it, including the Sun and Moon Shards, Key Items that will evolve Eevee into Espeon or Umbreon respectively after it levels up.