Good news about the extending the program.
BTW, the oldest game is from 2006(Rainbow Six Vegas). Newest game is from from 2012(Magic: The Gathering 2013). So on average the games are almost 4 years old. Not that bad.
Anyway here are the games released so far along with their original release dates...
June
Fable 3 - October 26 2010
July
Defense Grid: The Awakening - September 2, 2009
Assassin's Creed 2 - November 17, 2009
August
Crackdown - February 20, 2007
Dead Rising 2 - September 28, 2010
Dead Rising 2: Case Zero - August 31, 2010
September
Magic: The Gathering - Duels of Planeswalkers 2013 - June 20, 2012
Tom Clancy's Rainbow Six Vegas - November 21, 2006
October
Might & Magic Clash of Heroes - April 13, 2011
Halo 3 - September 25, 2007
It will be interesting to see what other free games are coming. Looks like they need some puzzle, car, sports & Kinect games.
Tommy McClain