Base on your background it can be done but its going to be hard

You need an advanced degree (at least a masters for NIW)

You don’t need an advanced degree. of course, all counts, if you have something of course it’s better. My wife is a geophysical engineer, with no master's, no Ph.D. 5 years of work experience She applied for eb2-niw and was approved in 3 months. You need to learn about the 3 proms. your cover letter in the I-140 will be the most important. You need to prove that you are important to the US and to the US citizens. Some people teach how to do it. or you can search for a lawyer. but don't let your lawyer do the entire job, Read more about the proms and read the documents that your lawyer read for you. One more thing, we apply to all without lawyers. Good luck with your case.

you might be qualified, since you are a game developer, do you have a Nobel innovation? can you satisfy the 3 prongs. Talk to an experienced lawyer. All the best.

get a good lawyer. it’s the whole story that matters. maybe you have a paper you were an author on (citations), maybe you peer-reviewed an article, maybe you wrote a chapter in the book. consult not only with a lawyer but with multiple, get different opinions.

Sure, because your profile fits into STEM professions, although you should focus on the three main points of the Dhanasar framework. Presenting a solid action plan where you demonstrate substantial merit and the fact that it is in the national interest added to your profile being the ideal one to carry out said plan, is the key