[wehriam]

If you're interested in simple game design, you should consider experimenting with Flash. Websites like http://www.kongregate.com/ and services like http://mochiads.com/ could help with distribution and revenue on what might otherwise be just a hobby.

[VinzO]

Do you have an idea of how much renenue you can do for an average game on that kind of websites?

[wehriam]

From what I've heard, a very successful "casual" game makes tens of thousands of dollars.