Get your free ps3 greatest hit game

Walmart recently advertised the all new PS3 Greatest Hits titles, and now they are offering Buy 2 Get 1 on selected Greatest Hits with free shipping to store and to home is $2.47.
These are the titles currently available:
Resistance: Fall of Man
Resistance 2
Killzone 2
Infamous
Ratchet and Clank: Tools of Destruction
Uncharted: Drake’s Fortune
Socom: Confrontation
Gran Turismo 5 Prologue
Little Big Planet should be back in stock soon.