| 1. |  Kikoskia | 3,846,608 | OpenXCOM VOD #14 (29/01/20): BOOM and the Alien’s Gone | 2:11:03 |
| 2. | The Yogscast | 1,345,787 | Yogscast - X-Com: UFO Defence Part 3 - Captain Jungo | 20:28 |
| 3. | Yogscast Live | 485,234 | The Final Fight! - XCOM UFO Defense w/ Lewis & Ben - 13th March 2016 | 3:20:53 |
| 4. | Lewis and Ben Save the World | 403,327 | The XCOM Files #73 - It's a Disaster | 2:48:07 |
| 5. | ArchmageMelek | 85,200 | X-COM (1994) Superhuman Ironman - Part 7 | 21:54 |
| 6. | Lomadiah | 65,599 | YogTrailers - X-Com E3 Trailer | 2:15 |
| 7. | TripleJump | 57,372 | 10 Best Games Of 1994 | 12:31 |
| 8. | Eurogamer | 54,555 | The original X-COM was cancelled, but development continued in secret - Here's A Thing | 8:30 |
| 9. | TheGamakazi | 30,106 | Let's Play The X-COM Files: Part 312 Tank Through The Roof! | 28:37 |
| 10. | Nemonaemo | 24,582 | Nemo Plays: OpenXCOM 40k #63 - It's Going To Be A Terminator Base | 30:58 |
| 11. | Shadowhawk | 11,819 | -01- Open X-com: UFO Defence - Pacifist Challenge | 1:59:50 |
| 12. | FGS | 9,137 | DON'T Play These Games At Night! | The Deep Cut | 0:00 |
| 13. | Dandelion-Utilitarian | 7,492 | openXcom - Its old X-Com but new. | 13:59 |
| 14. | Trauson | 6,172 | X Com Ufo Defense Gameplay : Defender la base con vuestra vida | 46:30 |
| 15. | zxspectrumgames4 | 5,575 | U.F.O. Enemy Unknown -- showing various terrain types (ZX Spectrum) | 41:06 |
| 16. | The Beardy Penguin | 5,499 | Final Assault | XCOM: UFO Defense | 1:54:43 |
| 17. | The Retro Collective | 5,243 | X-COM UFO Defense Music | Roland SC-88 | 1:33 |
| 18. | Michael Disley | 4,946 | OpenXCom | 108 | Cydonia, Part 2 [END] | 37:23 |
| 19. | Ogiwon TV | 4,349 | X-Com Cult of Apocalypse #games #rpg #gameplay #gaming #xcom #ufo | 0:00 |
| 20. | YOGSCAST Best Bits | 2,359 | Lewis and Ben Save The World Stream Highlights - A HARPOON! | 4:51 |
| 21. | IkiFoo | 2,147 | Let's Play X-COM: UFO Defense (FINALE) | 35:17 |
| 22. | DStratro | 1,679 | CYDONIA! - OpenXcom Superhuman Ironman Challenge #17 (FINAL) | 45:48 |
| 23. | UnstableVoltage | 1,332 | Xenonauts - Mechanic differences with X-Com: UFO Defense (UFO: Enemy Unknown) | 37:01 |
| 24. | Laurence Plays | 1,306 | Classic X-COM - Laurence Streams | 5:00:04 |
| 25. | Lord Daveed | 1,097 | Lets Play X-COM UFO Defense - Part 73 THE KNIGHTS OF CYDONIA! (Finale) | 59:21 |
| 26. | TheShadowscythe | 960 | OpenXcom - Final Mod Pack - Episode 18 | 17:14 |
| 27. | Wild Psyduck | 890 | UFO: Enemy Unknown - Battleship | 0:18 |
| 28. | Njenkin | 776 | Njenkin Live Stream - Spectrum Stress Buster Tuesday !! | 2:05:56 |
| 29. | Jack De Hearts | 566 | Can I beat X-Com UFO Defense with just the Pistol? | 4:18:24 |
| 30. | Fruity Spruce | 521 | Fruity Looks at Files - Incident 002 | 25:58 |
| 31. | XTRG | 479 | And It Begins Xcom UFO Defense Episode 4 - Game Crash | 17:23 |
| 32. | Game on Drone on | 384 | UFO: Defense ( forgot aliens can prime grenades for 0 timer lmao) | 1:34:05 |
| 33. | Retro Gaming Discourse | 296 | Random DOS Game Show #867: UFO: Enemy Unknown (1994) | 27:08 |
| 34. | Handheld gaming! | 283 | Play Classic XCOM on you TRIMUI Smart PRO | 0:00 |
| 35. | 9EG | 244 | MY TOP 5 FAVORITE AMIGA CD32 GAMES | 5:51 |
| 36. | legodude494 | 218 | Retro Weekend! - XCOM UFO Defence with the OpenXcom mod: part 15 | 21:23 |
| 37. | 14Days | 205 | Alien Craft Shot Down over Africa in 1999 - Recovery Mission | 24:05 |
| 38. | TheEdmon | 190 | XCOM: You Should Have Played It | 33:31 |
| 39. | GordonFBR | 181 | Cydonia - X-COM: UFO Defense Final Mod Pack [Part 32] - Twitch VODs | 1:57:54 |
| 40. | Nuke4Prez | 133 | THE ORIGINAL XCOM (With A Twist) - OpenXCOM (XCOM: UFO Defense/ UFO: Enemy Unknown Gameplay) | 54:53 |
| 41. | Tenacious Gee | 130 | Let's Play X Com UFO Defence #12 Shambolic Friendly Fire! | 14:46 |
| 42. | BurntTNTFreak | 119 | Xcom: UFO Defence! - Episode 5 | 30:43 |
| 43. | Balious | 99 | Let's Stream X-COM: UFO Defense - Part 5 - 14/07/2018 | 2:44:49 |
| 44. | Heiach | 80 | Let's Try XCOM: UFO Defence (OpenXcom) - Welcome To XCOM! | 14:19 |
| 45. | EnchaJini | 39 | DOS Days: Retro Fun - XCOM UFO Defense 2# | 16:53 |
| 46. | Caldaris | 38 | OpenXcom - Skirmishes | 44:53 |
| 47. | luckyfandango | 26 | So, many, Chryssalid's... - X-Com: UFO Defence (3) | 3:26:30 |
| 48. | King Toko | 26 | UFO: Enemy Unknown (DOS) - Good Game #109 | 40:32 |
| 49. | United Kingdom Speedrunner Gathering | 24 | Autumn '21 | X-COM: UFO Enemy Unknown | Any% Beginner | DeJackOfHearts | 28:44 | 33:20 |
| 50. | Kohigh Mathy | 18 | Kohigh Mathy's VEDA 2021 | Day Twenty Four | 1:31 |
| 51. | Through Retro Tinted Glasses | 12 | Title screen : X-COM: UFO Defense : PS1 #Shorts | 0:59 |
| 52. | fireballstardraco | 12 | X Com part 2 I forgot how hard you were | 1:27:39 |
| 53. | MaceNet Archive (Rossil Fuel VODs) | 11 | Alien vs Tank - UFO: Enemy Unknown - Ironman! Part 8! | 3:04:18 |
| 54. | Nonsuch Games | 11 | Just One Look. UFO : Enemy Unknown (X-COM) | 16:10 |
| 55. | Kerr9000 | 10 | Gaming Memories from my Childhood | 3:06 |
| 56. | HexTree | 8 | X-COM: UFO Defense - and the Wheel of other Ironman Strategy games | 0:00 |
| 57. | Haydock83 | 2 | X COM UFO Defense | 1:31 |
| 58. | Dahlia Starbright | 1 | NEIL #vtuberclip #vtuber #xcom #twitch #vtuberen #vtubers #vtuberclips | 0:00 |
| 59. | GobrinSan | 1 | X-Com UFO Defence, Old School | 1:06:44 |
