if the game you searching is Strategy in realtime,
with economics and rpg elements.
check out
www.glory-online.com
the strongest side of this game is that it is run on regular browser
no active x or flash or other plugins, and it's almost 3D graphic in realtime,
the interactivity is great, like starcraft.
you also can combine units, to create your own new units.
also it's strategy part is very great.
and if you smart, you can grow very fast, economicly.
try it.