This is as low as it has ever been, and apparently existing copies will be upgraded to the GOTY when it is released in a few months. So buy now, play later.
Assassin's Creed Liberation $3.20 US http://www.nuuvem.com/item/assassin-s-creed-liberation-hd
Assassin's Creed Rogue ~$16 US http://www.nuuvem.com/item/assassin-s-creed-rogue
Total War Attilla ~$13 US http://www.nuuvem.com/item/total-war-attila
Hmmm, steam keys?
And its international version?