Top 100 alien Games

  1. The Orange Box
  2. Halo 3
  3. Crysis
  4. Spore
  5. Half-Life 2
  6. Serious Sam
  7. Mass Effect 3
  8. Dead Space 2
  9. Gears of War 2
  10. Dead Space
  11. Crysis Warhead
  12. Gears of War
  13. Freedom Force
  14. Homeworld
  15. Heavy Gear II
  16. X-COM
  17. Duke Nukem 3D
  18. Aliens Versus Predator 2
  19. Metroid Fusion
  20. Anomaly
  21. Crysis 2
  22. Metroid
  23. Unreal Tournament III
  24. Enemy Territory
  25. Super Metroid
  26. Unreal Championship
  27. Alien Hominid
  28. Beyond Good and Evil
  29. Thunder Force V
  30. Defense Grid
  31. Space Invaders Extreme
  32. Contra 4
  33. Galaga
  34. Unreal II
  35. Duke Nukem
  36. Cold Space
  37. Commander Keen: Keen Dreams
  38. aliEnd
  39. Star Defender III
  40. Great Little War Game
  41. UFO: Alien Invasion
  42. Farm Story
  43. Rebelstar
  44. Incoming
  45. Duke It Out in D.C.
  46. Contra
  47. Alien Front Online
  48. Serious Sam HD
  49. XCOM: Enemy Within