Pokémon Red and Blue Versions/Plot

Illustrating the original Pokémon gameplay concepts, the player begins his game in Pallet Town, a small town in the Kanto region, on the same day as his former best friend and now. Professor Oak calls the player to his laboratory, and allows the player to choose from the three Kanto starter Pokémon: the, the  , or the. After the rival displays jealously, he chooses the starter that has a type advantage against the player's chosen starter and challenges the player to a preliminary battle. Afterwards, the player leaves for his journey across the region, challenging 8 Gym Leaders and other s until he reaches the ultimate goal: the Pokémon League at the Indigo Plateau.

Along the way, the player will meet up with his rival several times and have multiple run-ins with the insidious Team Rocket, a criminal group that seeks to use Pokémon for their own gain. The player will ultimately find out that the boss of this evil group, Giovanni, is actually the final Gym Leader in the game.

At the end of the game, the player will have a battle against the Champion,, after beating the Elite Four.

After the credits, the player will gain access to Cerulean Cave in Cerulean City and be able to battle strong Pokémon. The player will be able to battle and capture the strong legendary Pokémon.