XTransistor
-Bioshock
XYear Walk
-Spec Ops: The Line?
-Astebreed
-Alien Isolation
-Legend of Grimrock

-Grim Fandango
-Psychonauts
-Valiant Hearts: The Great War
-Dungeon of The Endless
-Gunpoint
-The Swindle

XWings of Vi
-FEZ
-The Swapper
-Valdis Story Abyssal City
XSuper Time Force Ultra
-Lethal League
-OlliOlli 2
-Duck Game
XAmong the Sleep
XShadow of Mordor?
-Fallout 2
-Viscera
XGods Will Be Watching
-Hell Yeah
-Postal 2

XThe Walking Dead
-Trine
XBrothers: A Tale of Two Sons
-Devil May Cry
-Tiny and Big: Grandpa's Leftovers
XMighty Switch Force! Hyper Drive Edition
XShantae

-Beyond Eyes
-OBEY
-The Darkest Dungeons
http://markiplier.wikia.com/wiki/List_of_Games

RATZ Instagib
Road Redemption
Strike Vector (try pirated multiplayer games)

XDustforce DX
XDark Souls
-Darkest Dungeon
-Teleglitch
-Shadow Run?

-Cook Serve Delicious