It seems, online games still have to get bigger. Having two players for the games console market. In 2006, free flash games industry has a turnover of 1.1 billion and was expected to reach 4.4 billion by 2010. But now expected to hit 15 billion U.S. dollars. This enormous growth and the fact that most (60%) of players are around the age of 30 years and are looking for fun at work, doing the Online Gaming industry is very stable. Believe or not, online games are responsible for 40% of Internet traffic. Even if someone has about 0.1% of flash games on the market 0.1% of those still, a couple thousand visitors.
However, it is clear that not only giant but also a very competitive market. If you are thinking about starting an online gaming site, you must have extensive knowledge of SEO (Search Engine Optimization). Almost all web development or web hosting company offers SEO of your site. It will not work! SEO is a process that takes one day to another month of consistent work and I think the only way is to take your time and learn how to do it yourself and gradually breaking competition. Several sites offer to teach you about SEO. When all these factors, you will understand that the market for online games is very promising and offers great income, but it's too competitive.