1. MiniClip

miniclip.com

2. Addicting Games

addictinggames.com

3. Kongregate

kongregate.com

4. Armor Games

armorgames.com

5. FOG

freeonlinegames.com

6. Big Fish Games

bigfishgames.com

7. Shockwave

shockwave.com

8. Pogo

pogo.com

9. Zynga

zynga.com

10. Y8

y8.com