Yes, it's a single-player game.
Yes, it's a single-player game.
Other titles include: Batman Arkham, Bioshock, Brothers: A Tale of Two Sons, Dishonored, Far Cry 3, Just Cause 2, LIMBO, Metro: Last Light, Mirror's Edge Portal, Rayman Legends, Saints Row: The Third, Shadow Warrior Sleeping Dogs, Sonic Generations, Spec Ops: The Line, Spy Chameleon, Transistor, Valiant Hearts, The Great War, The Walking Dead, and The Wolf Among Us.
There are numerous categories to explore. FPS options include Borderlands (all three), Bioshock in third person, Mass Effect trilogy, Dragon Age all series, and RTS titles like Civ 5 beyond Earth. For simulation games, consider Cities Skylines, Kerbal Space Program, Roller Coaster Tycoon (with joystick available for Flight Simulator X), and Puzzle games such as Portal 1 and 2. You can also try Minecraft for a more open-ended experience.