All will be available December 1st:
Gauntlet: Slayer Edition (PS4)
King’s Quest – Chapter 1: A Knight to Remember (PS4)
Far Cry 3 Blood Dragon (PS3)
SSX (PS3)
Rocketbirds Hardboilded (PS Vita)
Freedom Wars (PS Vita)
http://blog.eu.playstation.com/2015/11/25/new-on-playstation-plus-in-december-gauntlet-kings-quest-more/
http://blog.us.playstation.com/2015/11/25/ps-plus-free-games-for-december-2015/