UPDATE 2017/12/07 18:50
ONLY KEY UNLESS SPECIFIED OTHERWISE
Superbrothers: Sword & Sworcery EP
Solar 2
NightSky
Dungeon Defenders + All DLC
Red Faction: Armageddon + Path to War DLC
Darksiders
Limbo
Little Inferno (Key or Humble bundle gift link)
The Bard's Tale (Key or Humble bundle gift link)
Fez (Key or Humble bundle gift link)
Fieldrunners (Key or Humble bundle gift link)
Legend of Grimrock (Key or Humble bundle gift link)
UPDATE 2017/12/07 18:50
ONLY KEY UNLESS SPECIFIED OTHERWISE
Superbrothers: Sword & Sworcery EP
Solar 2
NightSky
Dungeon Defenders + All DLC
Red Faction: Armageddon + Path to War DLC
Darksiders
Limbo
Little Inferno (Key or Humble bundle gift link)
The Bard's Tale (Key or Humble bundle gift link)
Fez (Key or Humble bundle gift link)
Fieldrunners (Key or Humble bundle gift link)
Legend of Grimrock (Key or Humble bundle gift link)
Nex Machina
Prey (2017)
Vanquish
Bayonetta
Nier: Automata
The Talos Principle + DLC