There is enough business for each one to dent into. Downloadable PC Games, Online hosted Games, Console Games are the broad genre of games. Oh by the way this doesn’t include the Mobile games yet. And the new realm of augmented reality games which will proliferate massively with iPhone 4 launch.
Online gaming industry has come a long way and still there is enough meat and pie for everyone to dent here. Below is an infographic with stats and a fantastic overview to quickly understand the market.