购买网站：
https://store.na.square-enix.com/discovery-and-friends-sale
重点整理：
1.共有三组，每组8个游戏，每1组购买后会再送10组同样的游戏。
2.另外送的10组，都需要用不同的SE网站帐号去启用，才能换到Steam key。
3.每组是由1个Steam key去同时启动8个游戏，所以无法个别游戏拆售，应该也无法在steamgift送出。
4.网站有提到限美加地区，但根据steamcn网友实测，实际上是没限。
5.限时至April 17, 2017 4:00 AM PST
Gold $17.99
Tomb Raider: Legend 极度好评 (960 篇评论)
http://store.steampowered.com/app/7000/
Deus Ex: Invisible War 褒贬不一 (650 篇评论)
http://store.steampowered.com/app/6920/
Legacy of Kain: Defiance 极度好评 (290 篇评论)
http://store.steampowered.com/app/224300/
Legacy of Kain: Soul Reaver 大多好评 (205 篇评论)
http://store.steampowered.com/app/224940/
Blood Omen 2: Legacy of Kain 大多好评 (252 篇评论)
http://store.steampowered.com/app/242960/
Conflict: Denied Ops 大多负评 (83 篇评论)
http://store.steampowered.com/app/8100/
Gyromancer 大多好评 (120 篇评论)
http://store.steampowered.com/app/23380/
Quantum Conundrum 极度好评 (884 篇评论)
http://store.steampowered.com/app/200010/
Silver $9.99
Hitman: Contracts 极度好评 (654 篇评论)
http://store.steampowered.com/app/247430/
Hitman: Codename 47 大多好评 (899 篇评论)
http://store.steampowered.com/app/6900/
Thief: The Dark Project - Gold 极度好评 (938 篇评论)
http://store.steampowered.com/app/211600/
Thief III: Deadly Shadows 极度好评 (864 篇评论)
http://store.steampowered.com/app/6980/
Battlestations: Midway 大多好评 (191 篇评论)
http://store.steampowered.com/app/6870/
Daikatana 褒贬不一 (138 篇评论)
http://store.steampowered.com/app/242980/
Deathtrap Dungeon 大多好评 (44 篇评论)
http://store.steampowered.com/app/245010/
Startopia 极度好评 (348 篇评论)
http://store.steampowered.com/app/243040/
Bronze $4.99
Kane & Lynch: Dead Men 褒贬不一 (886 篇评论)
http://store.steampowered.com/app/8080/
Kane & Lynch 2: Dog Days 褒贬不一 (1,585 篇评论)
http://store.steampowered.com/app/28000/
Thief II: The Metal Age 压倒性好评 (549 篇评论)
http://store.steampowered.com/app/211740/
Project: Snowblind 大多好评 (112 篇评论)
http://store.steampowered.com/app/7010/
Order of War 大多好评 (126 篇评论)
http://store.steampowered.com/app/34600/
Scarygirl 大多好评 (25 篇评论)
http://store.steampowered.com/app/202370/
Urban Chaos 大多好评 (56 篇评论)
http://store.steampowered.com/app/243060/
Pandemonium! 褒贬不一 (83 篇评论)
http://store.steampowered.com/app/243020/