Nice text based game i found is ninja rpg and urban dead currently.
http://theninja-rpg.com/
http://www.urbandead.com/
and note one flash game to spend time is pandemic 2(kill the world!!)
http://www.crazymonkeygames.com/Pandemic-2.html

This post has been edited by milkyboon: May 14 2009, 07:41 PM