Yes.
No.
Any age.
Rumble Fighter happened in 2007.
Rumble Fighter can only be played in USA or Canada in North America. Rumble Fighter can also be played in Europe. Rumble Fighter for Koreans is called Gem Fighter. (www.gemfighter.com)
No. There is only: Gem Fighter (For Korea) Rumble Fighter NA (For North America) Rumble Fighter EU (For Europe)
Rumble Fighter was created in 2007-08.
There's one in Europe and one in Korea. That's all they have Rumble Fighter besides USA and Canada.
Its the European Version of Rumble Fighter.
How to make your rumble fighter screen bigger
You can't. Gem Fighter is the Korean version of Rumble Fighter. It's the same game, in a different language. (Except Gem Fighter is more updated then Rumble Fighter.)
go to google and type ''rumble fighter registration'' and then look at the first one and look for ''sign up'' and click it and done :D
Carats, yes. Astros, no. I will not give you any more details because Rumble Fighter will get you remove any carats/carrots you hacked within 2 weeks/ next update, and will get you banned.