You have to battle blue. From there the game is technically done but you can get new starters such as Squirtle.
somewhere
Beat Red
arceus will beat him easily.
Do you have every Pokemon in the game? If not, NO!
you batle them
you get it AFTER you beat blue
nothing.
beat the pokemon leauge
you need a rock Pokemon to beat pikachu but i cant remember what is after
Primarily beat the gym leaders and beat the elite four
yes
you cant