 The three of them later appear in "Pokémon FireRed" and "LeafGreen"; however, only one of them appears in a single play through.If the player chooses Bulbasaur, Entei will appear in a similar fashion to how it appeared in "Gold" and "Silver".In "Pokémon HeartGold" and "SoulSilver", Entei is encountered similarly to how it is in "Gold" and "Silver".