A.I.M. 2 (PC)Strategy, Simulator, RPG, FPS, War, Sci-Fi, Platform, Shooter, Action, 2007, Windows 2000, Windows XP, Windows 7, Windows 8, Windows 10, Download, 12 years£2.49
Q.U.B.E. (PC)Adventure, Strategy, FPS, Sci-Fi, Puzzle, 2011, Windows XP, Windows Vista, Mac OS X, Windows 7, Download, 3 years£1.12
‌Blade Runner (PC)Adventure, RPG, Sci-Fi, Third-person, Action, 1997, Windows 98, Download, Physical edition, 12 years£3.95
‌Duke Nukem: Manhattan Project (PC)FPS, Sci-Fi, Fighting, Beat 'em up, Shooter, Action, 2002, Windows 2000, Windows XP, Windows 98, Download, Physical edition, 16 years£24.63
‌Star Wars: Rebel Assault (PC)Sci-Fi, Action, 1993, Windows 95, Download, Physical edition, 12 years£18.00
‌Deus Ex: Human Revolution (PC)Adventure, RPG, FPS, Sci-Fi, Shooter, Action, 2011, Windows XP, Windows Vista, Mac OS X, Windows 7, Download, Physical edition, 18 years(7)£3.67
‌To the Moon (PC)Adventure, RPG, Racing, Sci-Fi, Fantasy, Flight simulator, Puzzle, Music, Action, 2012, Windows 98, Linux, Windows Vista, Mac OS X, Windows 7, Download, Physical edition, 12 years(1)£2.60
‌Aliens: Colonial Marines Collection (PC)FPS, Sci-Fi, Shooter, First person, Action, 2013, Windows XP, Windows Vista, Windows 7, Windows 8, Download, Physical edition, Online Multiplayer, 18 years£4.76
‌Earth 2150 (PC)Strategy, Sci-Fi, Education/Learning, RTS, 2000, Windows 2000, Windows 95, Windows 98, Physical edition, Online Multiplayer, 12 years£49.99
‌Prototype 2 (PC)Adventure, FPS, Sci-Fi, Fantasy, Arcade, First person, Action, 2012, Windows XP, Windows Vista, Windows 7, Download, Physical edition, 18 years(1)£25.16
‌System Shock 2 (PC)Adventure, RPG, Sci-Fi, First person, Action, 1999, Windows 2000, Windows XP, Linux, Windows Vista, Mac OS X, Windows 7, Windows 8, Download, Online Multiplayer£0.81
‌NeXus : One Core (PC)Child-friendly, Adventure, FPS, Sci-Fi, Arcade, Shooter, Action, 2015, Mac OS X, Windows 7, Download, 7 years£1.10
‌Krai Mira - Extended Cut Edition (PC)Adventure, RPG, Sci-Fi, Turn based, Download, 18 years£2.49
‌Red Faction Collection (PC)Adventure, Strategy, FPS, Sci-Fi, Arcade, Shooter, Action, 2014, Windows XP, Windows 8, Download, Physical edition, Online Multiplayer, 18 years£5.39
‌Deus Ex: The Fall (PC)Adventure, RPG, Sci-Fi, Shooter, Action, 2014, Windows XP, Windows 8, Download, Physical edition, 18 years£2.02
‌Evolve: Stage 2 (PC)FPS, Sci-Fi, Shooter, Mac OS X, Windows 7, Windows 8, Download, Physical edition, Online Multiplayer, 18 years£35.88
‌Dungeon of the Endless - Pixel Edition (PC)Child-friendly, Adventure, Strategy, RPG, Sci-Fi, Arcade, Windows Vista, Mac OS X, Windows 7, Download, Online Multiplayer, 7 years£2.31
‌Grey Goo - Definitive Edition (PC)Strategy, RPG, Sci-Fi, RTS, 2015, Windows 7, Download, Physical edition, Online Multiplayer, 12 years£3.33
‌Steel Storm: Burning Retribution (PC)Adventure, Sci-Fi, Arcade, Shooter, 2011, Windows XP, Linux, Windows Vista, Windows 7, Download, Online Multiplayer£0.47
‌Defy Gravity Extended (PC)Sci-Fi, Platform, Action, 2011, Windows XP, Windows Vista, Windows 7, Download£0.35
‌Algo Bot (PC)Sci-Fi, Puzzle, 2018, Windows XP, Windows Vista, Windows 7, Windows 8, Download£0.79
‌Aliens: Colonial Marines (PC)FPS, Sci-Fi, Shooter, First person, Action, 2013, Windows XP, Windows Vista, Mac OS X, Windows 7, Windows 8, Download, Physical edition, Online Multiplayer, 18 years(3)£2.28
‌Defcon: Everybody Dies (PC)Strategy, Sci-Fi, RTS, 2007, Windows 2000, Windows XP, Windows 98, Windows Vista, Download, Physical edition, Online Multiplayer, 7 years£24.99
‌Earth Defense Force: Insect Armageddon (PC)Sci-Fi, Action, 2011, Windows XP, Windows Vista, Windows 7, Download, Physical edition, Online Multiplayer, 12 years£3.59
‌Aliens: Colonial Marines - Limited Edition (PC)FPS, Sci-Fi, Shooter, First person, Action, 2013, Windows XP, Windows Vista, Mac OS X, Windows 7, Windows 8, Download, Physical edition, Online Multiplayer, 18 years£8.09
‌Command & Conquer: Tiberian Sun (PC)Strategy, War, Sci-Fi, RTS, 1999, Windows 2000, Windows XP, Windows 95, Windows 98, Physical edition, Online Multiplayer, 15 years£14.95
‌Galactic Civilizations II (PC)Strategy, Sci-Fi, RTS, Turn based, Action, 2006, Windows 2000, Windows XP, Windows 95, Windows 98, Physical edition, 3 years(2)£13.47
‌Star Trek Online (PC)MMO, Adventure, RPG, Sci-Fi, Fantasy, Arcade, Action, 2008, Windows XP, Windows Vista, Mac OS X, Windows 7, Download, Physical edition, Online Multiplayer, 12 years(1)£1.39
‌XCOM: Enemy Unknown (PC)Strategy, RPG, War, Sci-Fi, RTS, Tactics, Turn based, Shooter, Action, 2012, Linux, Windows Vista, Mac OS X, Windows 7, Download, Physical edition, Online Multiplayer, 18 years(5)£2.16
‌Warhammer 40.000: Kill Team (PC)Adventure, Strategy, FPS, Sci-Fi, Arcade, Shooter, Third-person, Action, 2014, Windows 7, Windows 8, Download, 16 years£31.75
‌Star Trek: Away Team (PC)Adventure, Strategy, Sci-Fi, Arcade, Action, 2001, Windows 2000, Windows XP, Windows 95, Windows 98, Physical edition£13.74
‌Holy Potatoes! We're in Space?! (PC)Adventure, Strategy, Simulator, RPG, Sci-Fi, Arcade, Third-person, 2017, Mac OS X, Windows 7, Windows 8, Download, 12 years£0.45
‌Unreal Tournament 2004 - Editor's Choice Edition (PC)FPS, Sci-Fi, Shooter, First person, Action, 2004, Windows 2000, Windows XP, Windows 98, Download, Physical edition, Online Multiplayer£82.35
‌Dogs of War (PC)Strategy, Sci-Fi, RTS, 2000, Windows 2000, Windows 95, Windows 98, Mac OS X, Physical edition£14.28
‌Dead Rising 2 (PC)Adventure, Sci-Fi, Horror, Arcade, Survival, Action, 2009, Windows XP, Windows Vista, Mac OS X, Windows 7, Download, Physical edition, Online Multiplayer, 18 years(4)£4.50