>>2263051(Cont)
For you to qualify to accept a job offer in a specialty occupation you must meet one of the following criteria:
-Have completed a US bachelor's or higher degree required by the specific specialty occupation from an accredited college or university.
-Hold a foreign degree that is the equivalent to a U.S. bachelor's or higher degree in the specialty occupation.
-Hold an unrestricted state license, registration, or certification which authorizes you to fully practice the specialty occupation and be engaged in that specialty in the state of intended employment.
-Have education, training, or experience in the specialty that is equivalent to the completion of such a degree, and have recognition of expertise in the specialty through progressively responsible positions directly related to the specialty.
http://www.workpermit.com/us/us_h1b.htmThe H-1B is the most common issued visa for those working in the game industry. To get an O-1 (which will put on on track for a green card) pretty much states you have to be a genius rockstar and internationally acclaimed.
http://www.uscis.gov/working-united-states/temporary-workers/o-1-visa-individuals-extraordinary-ability-or-achievementSo no,having proof of employment is not enough.