Crackdown, Dead Rising 2 & DR2: Case Zero free for Xbox Live Gold members
These 3 great games are going for free for Xbox Live Gold members.
Crackdown can be had from now until August 16th, then you can grab Dead Rising 2 & DR2: Case Zero from the 16th til the end of August.
If you are quick, you might still be able to grab last months freebie of Assassins Creed 2:
More detail can be read on http://majornelson.com/2013/07/31/games-with-gold-for-august-crackdown-dead-rising-2-dr2-case-zero/