| 1. |  Ahoy | RetroAhoy: X-COM | 1,997,974 | |
| 2. | SovietWomble | X:COM Stream Highlight - "Send in the biceps" | 746,679 | |
| 3. | Rock Paper Shotgun | XCOM: Enemy Unknown first look - in-game footage and interview | 553,433 | |
| 4. | SovietWomble | X:COM Stream Highlight - "Workplace safety" | 517,940 | |
| 5. | 2K United Kingdom | XCOM: Enemy Unknown Interactive Gameplay Trailer | 436,780 | Preview |
| 6. | Game Maker's Toolkit | Three Other Approaches to Turn Timers | GMTK Extra | 430,921 | |
| 7. | The Yogscast | Yogscast - E3 2012 - XCOM: Enemy Unknown | 402,955 | |
| 8. | EnterElysium | XCOM: Long War [Mod] - Why Play? | 231,759 | |
| 9. | Duncan | Xcom Livestream - Part 1 - Clown Suit Central | 207,688 | |
| 10. | Lewis and Ben Save the World | The XCOM Files #1 - FBI HQ | 166,512 | |
| 11. | Lomadiah | XCOM: Enemy Unknown @Gamescom | 148,434 | |
| 12. | Duncan | Xcom Livestream - Part 5 - So this is London | 147,234 | |
| 13. | Eurogamer | How Firaxis saved XCOM from complete disaster - Here's A Thing | 140,128 | |
| 14. | Games Night | XCOM: The Board Game #1 - Crisis Alert | 139,962 | |
| 15. | VE3TRO | XCOM - Gameplay Walkthrough | 116,577 | Walkthrough |
| 16. | Insane Frame | Can you beat X-COM enemy within with 1 assault soldier | 114,887 | |
| 17. | Duncan | Xcom Livestream - Part 2 - I like Bees | 110,004 | |
| 18. | Duncan | Xcom Livestream - Part 4 - Better Luck Next Time | 109,475 | |
| 19. | Eurogamer | Firaxis reveals never-before-seen XCOM: Enemy Unknown gameplay | 109,429 | |
| 20. | Yogscast Live | PIRATE X-COM?! - Modded X-COM & TFTD [1] - Lewis & Ben Save The World - 1st February 2017 | 105,213 | |
| 21. | 2K United Kingdom | XCOM: Enemy Unknown "Our Last Hope" Launch Trailer | 102,416 | |
| 22. | Games Night | XCOM: The Board Game w/ Sips #1 - Major Threats | 88,882 | |
| 23. | Pocket Gamer | XCOM - Enemy Unknown iOS iPad Gameplay Review - AppSpy.com | 86,542 | Review |
| 24. | 2K United Kingdom | XCOM: Enemy Within - Official "Security Breach" Trailer | 84,993 | Preview |
| 25. | Lewis and Ben Save the World | XCOM Warhammer Mod - Lewis & Ben Save the World - 6th February | 83,349 | |
| 26. | 2K United Kingdom | XCOM: Enemy Within -- Official Narrated Gameplay Demonstration | 73,343 | |
| 27. | HybridPanda | XCOM: Enemy Unknown - Part 1 - Introduction! | 73,308 | |
| 28. | Lewis and Ben Save the World | XCOM: 40K - Ben Saves The World - Babbies First Stream | 71,559 | |
| 29. | 2K United Kingdom | XCOM: Enemy Unknown "Casualties of War" Trailer | 67,219 | |
| 30. | Games Night | XCOM: The Board Game #2 - Base Defence | 63,979 | |
| 31. | Lewis and Ben Save the World | The XCOM Files #5 - The Blackbook Report | 60,992 | |
| 32. | outsidexbox | Let's Play XCOM Multiplayer - XCOM Enemy Unknown Gameplay | 60,681 | Let's Play |
| 33. | Eurogamer | Let's play XCOM: Enemy Unknown - Late to the Party | 58,705 | |
| 34. | Games Night | XCOM: The Board Game #3 - World Panic | 55,894 | |
| 35. | Surviving RNG | Installing Long War, Troubleshooting & Modding | XCOM: Enemy Within | 54,898 | |
| 36. | Yogscast Live | TERROR FROM THE DEEP [13] - Lewis & Ben Save The World - 3rd May 2017 | 54,012 | |
| 37. | 2K United Kingdom | XCOM: Enemy Unknown for iOS Launch Trailer | 53,038 | |
| 38. | Skye Storme | XCOM Enemy Unknown Gameplay Part 1 ►Mission 1: YOU Can Name A Soldier! ►Ironman | 50,276 | |
| 39. | PG Archive | XCOM: Enemy Unknown PS3 vs iPad comparison - PocketGamer.co.uk | 48,805 | |
| 40. | Millbeeful | Xcom: Enemy Within :: Let's Play (Episode #1) 'I'm Not Saying It's Aliens...But Aliens' | 48,752 | |
| 41. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #7 - Alien Party House | 47,857 | |
| 42. | WarhammerPlayer | XCOM Enemy Unknown Android Review - Androidizen | 46,013 | Review |
| 43. | Bransfield | 25 Years Of UFO: Enemy Unknown And I Still Hate Chryssalids [X-COM: Enemy Unknown] | 45,778 | |
| 44. | Games Night | XCOM: The Board Game w/ Sips #2 - Lucky Break | 45,595 | |
| 45. | Lewis and Ben Save the World | The XCOM Files #7 - XCOM Booze Box | 45,205 | |
| 46. | jackfrags | Hunting Aliens - Xcom: Enemy Within | 43,924 | |
| 47. | Games Night | XCOM: The Board Game w/ Sips #3 - Final Mission | 43,664 | |
| 48. | Lewis and Ben Save the World | The XCOM Files #12 - Chupacabra | 43,656 | |
| 49. | Lewis and Ben Save the World | The XCOM Files #9 - Zombie Busters! | 43,395 | |
| 50. | 2K United Kingdom | XCOM: Enemy Within Official "War Machines" Trailer | 42,257 | Preview |
| 51. | Chapter Master Valrak | NEW Necromunda Trailer/Information - Releasing this Summer | 41,073 | Preview |
| 52. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #10 - Trail of Destruction | 40,456 | |
| 53. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #13 - Wave of Cyberdisks | 40,172 | |
| 54. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #17 - Chump Training Mission | 40,054 | |
| 55. | Stylosa | Open Xcom - X-Com: UFO Defense in 1080p! | 39,501 | |
| 56. | Yogscast Live | NEW CHANNEL! - Modded X-COM - Lewis & Ben Save The World - 2nd August 2017 | 39,168 | |
| 57. | Shadowhawk | Let's Replay X-com Enemy Unknown -01- | 38,934 | |
| 58. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #14 - Fallen Heroes | 38,931 | |
| 59. | HybridPanda | XCOM: Enemy Within! #1 with Panda | 38,309 | |
| 60. | Tehsnakerer | Playing X-COM:Enforcer: A Test of Memory | 37,876 | Review |
| 61. | Stylosa | XCOM: Enemy Unknown - How Not To Be A Noob! | 37,454 | Guide |
| 62. | Lewis and Ben Save the World | The XCOM Files #13 - Death Woggler | 37,323 | |
| 63. | Jamal Khan | Xcom: Enemy Unknown Plus PS VITA Review | 37,269 | Review |
| 64. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #15 - Fresh Meat | 36,617 | |
| 65. | Napyet Gaming | Is XCOM 3 Ever Going To Happen? | 35,831 | |
| 66. | Lewis and Ben Save the World | The XCOM Files #61 - Welcome Back Commanders | 35,341 | |
| 67. | Lewis and Ben Save the World | The XCOM Files #69 - Ready, Aim, Fail | 34,425 | |
| 68. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #24 - Underarmed and Overchumped | 33,501 | |
| 69. | Surviving RNG | It's Gonna Be A Blast | XCOM: EW - Impossible Ironman - Long War mod - 007 | 32,996 | |
| 70. | Lewis and Ben Save the World | The XCOM Files #62 - More Fire | 32,974 | |
| 71. | Kreah Leiser | XCOM Enemy Unknown - Last Hope (EXTENDED) | 32,763 | |
| 72. | Lewis and Ben Save the World | The XCOM Files #64 - Chump Grinder | 32,631 | |
| 73. | Lewis and Ben Save the World | The XCOM Files #70 - The Time Has Come | 32,609 | |
| 74. | Lewis and Ben Save the World | The XCOM Files #79 - Skeleton On Crack | 32,041 | |
| 75. | Lewis and Ben Save the World | The XCOM Files #80 - Going On Strike | 32,029 | |
| 76. | Lewis and Ben Save the World | The XCOM Files #71 - Scroll of Secrets | 31,796 | |
| 77. | ReformistTM | XCOM: Enemy Within - Part 1 | 31,549 | Let's Play |
| 78. | Eurogamer | XCOM: Enemy Within - Let's Play - Eurogamer | 31,547 | Let's Play |
| 79. | Lewis and Ben Save the World | The XCOM Files #72 - Hogwarts School of XCOM | 31,469 | |
| 80. | HybridPanda | New Squad members! - XCOM Part 3 | 31,360 | |
| 81. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #23 - Replacing the Lost | 31,059 | |
| 82. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #25 - Tazer Squad | 30,935 | |
| 83. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #26 - Gotta Catch 'Em All | 30,803 | |
| 84. | Lewis and Ben Save the World | The XCOM Files #74 - Terrible Site | 30,803 | |
| 85. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #22 - Snapshot Misclick | 30,657 | |
| 86. | Lewis and Ben Save the World | The XCOM Files #78 - Mission Accomplished | 30,629 | |
| 87. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #29 - The Ricks and the Mortys | 30,499 | |
| 88. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #34 - The Legendary Scaedura | 30,496 | |
| 89. | Gold Technical Forex | IPHONE 5 XCOM: ENEMY UNKNOWN GAMEPLAY | 30,202 | |
| 90. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #32 - Better, Faster, Stronger, Useless | 29,945 | |
| 91. | Insane Frame | Can you beat Xcom enemy within using only one Mec? | 29,854 | |
| 92. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #27 - Cash Money! | 29,751 | |
| 93. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #35 - Mission Reports | 29,302 | |
| 94. | Sips | certified xcom moment | 29,238 | |
| 95. | Lewis and Ben Save the World | Open XCOM - Final Mod Pack #36 - High Ex-Pectations | 28,961 | |
| 96. | Lewis and Ben Save the World | The XCOM Files #81 - Intercept and Destroy | 28,895 | |
| 97. | Lewis and Ben Save the World | The XCOM Files #86 - Stay Or Go? | 28,362 | |
| 98. | 2K United Kingdom | XCOM: Enemy Unknown Community Video 2 -- The Art of XCOM | 28,309 | |
| 99. | Lewis and Ben Save the World | The XCOM Files #82 - Half Emptied | 27,869 | |
| 100. | SporksAreGoodForYou | XCOM - How to capture an alien (and stun it). | 27,757 | Guide |
