http://goo.gl/c0iyMp
http://news.xbox.com/2016/01/21/xbox-one-backward-compatibility-january/
Aegis Wing Arcade
Age of Booty Arcade
Counter-Strike: GO Arcade
Jeremy McGrath’s Offroad Arcade
Sam & Max Save the World Arcade
Skullgirls Arcade
Small Arms Arcade
Soulcalibur Arcade
Space Giraffe Arcade
The Witcher 2: Assassins of Kings Games On Demand
**Free download of The Witcher 2: Assassins of Kings is available in all
markets excluding Japan. The giveaway is from January 21 (6 a.m. PST) through
February 5 (12 a.m. UTC).
活动条件修改成除了"日本"以外地区都能免费下载到2/5截止