Fifteen games developed by Microsoft Game Studios are now available online for a fee from Yahoo, the companies said Thursday.

The deal is expected to take the total number of on-demand games from different publishers available on Yahoo Games to 100. New Microsoft titles include "Dungeon Siege," "Flight Simulator 2004," "Freelancer" and "Zoo Tycoon."

Read more: CNet News (http://news.com.com/2100-1026_3-5085620.html?tag=nefd_top).