How do you unlock Green Goblin's costume?

You get enough money to buy it that's how you unlock it.

you must start a new game in hero difficulty and then quit the game go to cheat codes type arachnid and then go to level warp go to conclusion and after that go to the secrets store and put green...

To that you have to sing Twinkle Twinkle little star, you're Welcome(:

The green goblin and green goblin are the same thing..Um i think he was talking about Harrys version of the goblin um the answer t this is no Harry is not stronger than his dad

if your talking about in the spiderman movie game then you do this:First enter the cheat, ARACHNID to unlock all Of the levels levels. Start a new game and select hero difficulty. Once the level...