Top 100 Undertale Videos With The Longest Duration by Retro Game Knights
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Undertale - Pacifist - Part 11 | 1:07:21 | Undertale | |
| 2. | Undertale - Genocide - Part 17 | 1:01:03 | Undertale | |
| 3. | Undertale - Genocide - Part 12 | 59:55 | Undertale | |
| 4. | Undertale - Pacifist - Part 7 | 58:10 | Undertale | |
| 5. | Undertale - Pacifist - Part 9 | 55:11 | Undertale | |
| 6. | Undertale - Genocide - Part 20 FINALE | 53:22 | Undertale | |
| 7. | Undertale - Genocide - Part 16 | 53:16 | Undertale | |
| 8. | Undertale - Pacifist - Part 6 | 51:33 | Undertale | |
| 9. | Undertale - Pacifist - Part 2 | 51:26 | Undertale | |
| 10. | Undertale - Pacifist - Part 5 | 51:17 | Undertale | |
| 11. | Undertale - Genocide - Part 14 | 47:19 | Undertale | |
| 12. | Undertale - Pacifist - Part 8 | 47:13 | Undertale | |
| 13. | Undertale - Genocide - Part 18 | 47:01 | Undertale | |
| 14. | Undertale - Genocide - Part 15 | 47:00 | Undertale | |
| 15. | Undertale - Pacifist - Part 3 | 46:56 | Undertale | |
| 16. | Undertale - Genocide - Part 19 | 46:09 | Undertale | |
| 17. | Undertale - Pacifist - Part 4 | 45:56 | Undertale | |
| 18. | Undertale - Genocide - Part 13 | 44:16 | Undertale | |
| 19. | Undertale - Pacifist - Part 10 | 42:42 | Undertale | |
| 20. | Undertale - Pacifist - Part 1 | 39:12 | Undertale |