Aside from Guacamelee, I owned them all before they went free. I actually started and beat Guac today, so yes I've touched one GWG free game. I only sped run it but I regret not having played my PS3 version earlier, such a great game.
PSN/XBL/Steam: mcnichoj Proud Vita/3DS/Wii U owner. Day one PS4/X1. | Wanting people to have full knowledge of the facts about a console makes you a fanboy.