anyone else playing Battlefield:Play4Free yet? its a free version of battlefield offered by EA/Dice. funfun.
https://battlefield.play4free.com/en/playnow
Also try Spiral Knights by sega, its a free MMORPG/Puzzler game..... (it is browser based but it has an .exe that you can download (which i would recomend as no-one should hafta play a big taxing java rpg in a browser))
http://www.spiralknights.com/
Also the new humble Indie Bundle came out yesterday! 5 games from one developer (for a change) its called
"The Humble Frozenbyte Bundle" - you pay what you want to get all 5 games!
http://www.humblebundle.com/
(PS: its good to support indie developers like this!)