yes
Once you've completed all the levels, you can go back with all your spells to unlock more characters and items.
After you beat Subspace Emissary, go back to "The Ruins" and when you find a floating door go in it and fight wolf and defeat him to unlock him
you go back to the place you brought it from and you ask them
ahaha found out get out of the torture chair then go to the computer in the back and type in 3arc unlock and poof
once you beat the elite four, you go back the the lab and get the SS ticket. take the boat and you'll end up in vermillion
beat the Pokemon league and go back to the entrance
Go to a book store.
You can prestige in black ops once level 50. There are 15 prestiges. Once prestiged, you go back to level 1 and unlock everything all over again, basically a way to keep people playing multiplayer longer.
no you cannot unless you hack it which you could go to jail for.
all the states had to go back to the union. not all at once, but they did go back. hope this helps:-)
once you beat the game you can go buy it at jiggypuff store
you have to complete the last castle but you have to do it all in one to go back and unlock them.