Evony

It's a rather fun, yet time consuming game, there is age I and age II i recomend age I
link:
www.evony.com

Runescape

www.runescape.com
Used to be fun, now boring...

various game sites

Heres a bunch of game sites:

www.newgrounds.com
www.crazymokeygames.com
www.arcadetown.com
www.freeonlinegames.com