Top 100 Undertale Videos With The Longest Duration by William Reacts
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Happy Birthday Undertale | 1:52:51 | Undertale | |
| 2. | "I'm Not a Simp For Anne" | 1:37:26 | Undertale | |
| 3. | New Beginnings-Mugman Plays Undertale #1 | 57:17 | Let's Play | Undertale |
| 4. | Undertale(Live!) | 37:51 | Undertale | |
| 5. | @AnneWaybrightWu Came Bsck To Undertale | 0:13 | Undertale |