December is going to be a fantastic month for European PlayStation Plus members. They are going to be treated to a sizable list of free games for the PS3 and Vita. On December 5, Batman: Arkham City and Vanquish and Limbo will be available for download.
Vita owners can expect Big Sky Infinity on December 12, Mortal Kombat on December 19 and Knytt Underground on December 21. Games such as Double Dragon Neon, Crysis 2 and Tales from Space: Mutant Blobs Attack will be removed from the Instant Game Collection in December.
North America’s December offerings should be getting an announcement should.
Source [European PlayStation Blog]