http://www.flashplayer.com/games/arcanecastle.html (WARNING: Clicking on link leads to one or few pop-ups. You were warned.)
"Arcane Castle". You're a mage. You have a castle to save. Get to it.
It's a pretty simplistic game with a lot of style. I'm sure that you'll all like it.
Some other games:
http://www.addictinggames.com/ I've been browsing this for interesting diversions when I want a break from the insanity here, or the studying from school.