psss....do you have a few hours to kill?
Why not try
Desktop Tower defense? It's flash-based. It's free. It's easy to play. It's FUN! It's stress-relieving. It's ADDICTIVE!!!
On top of that, there is a mulitplayer section. I haven't tried it yet but that sounds cool!!!
What's the dealio?
Well, OMG, Your desk is under attack by invaders coming from both land and air. Your only solution? Defend it at all costs, using tiny turrets. Fight off waves and waves of attackers that get more challenging with each onslaught. Use your victory winnings to fortify and buy more defensive units. Losing this battle means losing your humanity.
Give it a go! Kill, Krush, Annihilate!!! Once done, holler me your "biased" opinion!!!