Pokemon Master Red - Mt. Silver
Pokemon: Blastoise (Level 77), Charizard (Level 77), Venusaur (Level 77), Epeon (Level 73), Snorlax (Level 75), Pikachu (Level 81)
Once you defeat Red, that's pretty much it. The match with Red is the final big event. Ofcourse, theres still much you can do. Now you need to shoot for that complete 251 Pokemon Pokedex. Also, you can battle your friends.