Go to island 1 capture a Geodude then show it to professor Oak. He then says the amount of Pokemon you caught if its 100 Pokemon then he will give you the ticket to access to the other islands.
AnswerYou have to battle the elite 4 with your starter Pokemon lv 49 successfully and you will get a ticket to rainbow island (8th island and 9th island) or get a ticket in mystery gift or link Nintendo wfc. I liedThere is no 8island on fire red sorry.
go to a Pokemon event
You don't. It only goes up to seven, I think.
You must go to a Nintendo sponsored event using the mystery gift to unlock the mystic ticket which takes to birth island and i think navel island and there you will find lugea and ho-oh
revive a pokemon from a fossil and beat the fire gym leader Actually, you need to get the key from the Pokemon Mansion. It wouldn't make sense to require you to beat the gym in order to unlock the gym!
you unlock it same time u unlock 4 and 6.
give ruby to cello
The only way you can unlock it is if you find the key from the mansion on Cinnebar Island
It is on island 8 (navel island).
Deoxys
I don't think there is even an 8 or 9 island.
you have to fight elite4.
It serves one purpose and that is to unlock the Cinnibar Island gym.
8 Island does not exist. Only the sevii islands. There are seven islands in leafgreen and firered. Four of them can only be visited after finishing the game.
doesn,t exist
You can unlock the Berry Crush game, the Union Room, and the two Mini-Games on Two Island
you can't because there no island 8 or 9 there only island 1234567 that all.