Yeah, I'm thinking of doing it too. Let's just say game development studios aren't exactly all the rage around here yet.
From my understanding as you can get a temporary 3 month B1/B2 "visa for pleasure/business". After that you'll either have to be employed or studying in an american university to get to remain there. It's a process with various stages and steps before you can get a green card.
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HAHA, that's nice . I could imagine to move one day too to the U.S. But I am gonna firstly visit as a student and see if I like it at all.
After that its possible I would move there to work as an engineer for some time, the U.S. offers lucrative jobs in that field or maybe at old age I am gonna rent a farm somewhere and set up an underground warp drive propulsion development labroatory .
"How dreadful!" cried Lord Henry. "I can stand brute force, but brute reason is quite unbearable. There is something unfair about its use. It is hitting below the intellect." ~ Oscar Wilde - The picture of Dorian Gray