Storyline
You start in giovannis office, you want to join team rocket, Giovanni gives you a choice of three pokemon to start with, Koffing, Rattata, and Zubat that wouldn't evolve, since you're a rocket
You go throughout kanto, and carry out many orders, you face gym leaders to earn respect for team rocket
When Giovanni is defeated, you challenge red, and defeat him
After the red battle credits roll then it says three years later
You are now the rocket boss, you are gathering members and defeating everybody in johto, finally Ethan comes up with lance, and invade your base, with hope, you go to finish the goldenrod mission, where Ethan challenges you, you beat him, however you say that you give up then you come back and become a secret grunt, nobody remembers team rocket, and you do whatever you like
The way to catch pokemon.....Snag machine.....