Dungeon Fighter Online is the first free to play title to come to XBLAEurogamer
Multiplayer beat 'em up Dungeon Fighter is all set to be Xbox Live Arcade's first ever free-to-play title, publisher Nexon has announced.
According to Siliconera, the game will be free to download but you'll then have to pay for any additional content above and beyond the basic set-up.
it's certainly gonna be worth a look
EDIT:it says that it will be the first Free to Play game to hit XBLA but wasn't that shooter sequel to Blacklight going to be Free to play as well?,and that comes out in the summer