| 1. |  Demiath | Remembrances of Games Past, Part #20 - UFO: Enemy Unknown (aka X-COM: Ufo Defense) | 21,333 | |
| 2. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 01) | 891 | Let's Play |
| 3. | Marvyra | X-Com UFO Defense - Alien Base Destruction | 589 | |
| 4. | Gears of Games | Alien Thing - Quick Look - Atari ST | 462 | |
| 5. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 06) | 412 | Let's Play |
| 6. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 02) | 378 | Let's Play |
| 7. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 03) | 278 | Let's Play |
| 8. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 20) | 221 | Let's Play |
| 9. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 07) | 191 | Let's Play |
| 10. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 04) | 185 | Let's Play |
| 11. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 11) | 160 | Let's Play |
| 12. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 05) | 159 | Let's Play |
| 13. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 08) | 158 | Let's Play |
| 14. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 15) | 153 | Let's Play |
| 15. | Marvyra | X-COM UFO Defense - Cydonia Highlights #3 | 152 | |
| 16. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 16) | 151 | Let's Play |
| 17. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 10) | 146 | Let's Play |
| 18. | Beyond Reality [CD10] | Let's Play - XCOM: Ufo Defence (Part 12) | 143 | Let's Play |
| 19. | Twinbeard | Retrohörnan: Xcom | 136 | |
| 20. | Beyond Reality [CD10] | Let's Play - XCom: UFO Defence (Part 09) | 131 | Let's Play |
| 21. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 17) | 128 | Let's Play |
| 22. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 19) | 122 | Let's Play |
| 23. | Beyond Reality [CD10] | Let's Play - XCOM: UFO Defence (Part 18) | 110 | Let's Play |
| 24. | Beyond Reality [CD10] | Let's Play - XCOM: Ufo Defence (Part 14) | 108 | Let's Play |
| 25. | Beyond Reality [CD10] | Let's Play - XCOM: Ufo Defence (Part 13) | 108 | Let's Play |
| 26. | Marvyra | X-COM UFO Defense - Alien Base Highlights #1 | 96 | |
| 27. | Marvyra | X-COM UFO Defense - Alien Base Highlights #2 | 66 | |
| 28. | The Spoony Experiment Archive | 007 - The War Against The Aliens Continues - The Spoony Experiment Archive - Justin.TV | 29 | |
| 29. | Drunk and Disorderly Gamer | Matt Damon keeps dying! AKA; Open Xcom Superhuman Antarctic Challenge 12 | 25 | |
| 30. | The Spoony Experiment Archive | 006 - The War Against The Aliens Continues - The Spoony Experiment Archive - Justin.TV | 18 | |
| 31. | The Spoony Experiment Archive | 010 - Going To Mars To Shoot Those Sonsabitchs! - The Spoony Experiment Archive - Justin.TV | 15 | |
| 32. | The Spoony Experiment Archive | 008 - The War Against The Aliens Continues - The Spoony Experiment Archive - Justin.TV | 13 | |
| 33. | The Spoony Experiment Archive | 009 - The War Against The Aliens Continues - The Spoony Experiment Archive - Justin.TV | 8 | |
| 34. | Retroberra | Retro Game Gauntlet - Amiga [20 A] | 8 | |
| 35. | Drunk and Disorderly Gamer | Open Xcom Superhuman Antarctic Challenge 10 | 5 | |
| 36. | Pantsi's Random Game Videos | X-COM - UFO Defense - all videos for the Playstation 1 | 2 | Let's Play |
| 37. | Pantsi's Random Game Videos | X-COM - UFO Defense Trailer - for the Playstation 1 | 2 | Let's Play |
