Top 100 Undertale Videos With The Longest Duration by RoxyReviews
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Replaying Undertale (part 1) | 42:12 | Undertale | |
| 2. | (True final boss) Asriel Dreemurr | 30:57 | Undertale | |
| 3. | (Final boss) Photoshop Flowey | 13:44 | Undertale | |
| 4. | (Boss) Mettaton EX | 13:21 | Undertale | |
| 5. | (Final boss) Sans | 12:45 | Undertale | |
| 6. | (Boss) Papyrus | 11:48 | Undertale | |
| 7. | (Boss) Mad Dummy | 8:35 | Undertale | |
| 8. | Mad Dummy voice acted | 7:54 | Undertale | |
| 9. | (Boss) Asgore | 7:19 | Undertale | |
| 10. | (Boss) Muffet | 7:16 | Undertale | |
| 11. | (Boss) Mettaton | 6:28 | Undertale | |
| 12. | (Boss) Undyne the Undying | 6:01 | Undertale | |
| 13. | (Boss) Toriel | 5:51 | Undertale | |
| 14. | (Boss) Undyne | 5:38 | Undertale | |
| 15. | (Boss) Dogamy & Dogaressa | 4:29 | Undertale | |
| 16. | (Boss) RG 01 & RG 02 | 3:40 | Undertale | |
| 17. | (Boss) Greater Dog | 2:47 | Undertale | |
| 18. | (Boss) Napstablook | 2:17 | Undertale | |
| 19. | Will Smith plays Undertale | 0:06 | Undertale |