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In the cities I have lived computer programming is in high demand but the entrance expectations are high. A 2-year vocational degree will get you into a Technician field where you'll be allowed to do some programming but not expected to; If that makes sense. To be highly acceptable as a programmer usually an academic Computer Science Bachelors degree is required to get into the door where your job duties will include or entirely be computer programming.
I haven't seen many "video gaming" specific openings though in the area I live.
Before enrolling in a two year class, I suggest participating in any of the free online programming courses that are available, such as the following:
This will allow you to see if it is something you are really interested in.
As far as programming in general, the people who enjoy programming the most typically are very analytical. This is very structured and procedure-driven work. Programmers usually have very limited people interactions during their work days. For this reason, I think your personality will really impact how much you could enjoy the day-to-day requirements.