Can post here games which can pay but dont must?

Are these just multiplayer... Or actually MMORPG?

So your saying these are just games which are online and heaps of people play?

Well I've got a 2D multiplayer game.
transformice.com/en/index.html
It's pretty cool!
and here's the wiki.
http://transformicewiki.com

www.pardus.at

Space based tile game

Runescape.

FLAME ON!