The ability to create video games on your own has never been easier. Gone are the days where you needed to work for the large game developers that had all the fancy tools. There are plenty of open source game engines and free game development software out there that you can build a great game regardless of your budget.
HTML5 game developers need to be immersed within the culture. It is all well and good to understand the programming but due to the constant evolution within the industry, it is critical that any aspiring professional seek the counsel of other like-minded individuals. Traditionally speaking, and still the norm, is the participation in conferences and other events held around the world. While there are many great game development conferences, here are a few exceptional ones.
Game development technologies are constantly evolving. Where you might of been a master in a particular field in the past, you can quickly start to question the simplest tasks as technology continues to change. Therefore it is crucial to always be reading and learning about your craft.