| 1. | Your Best Nightmare - Vocal Cover by Isabella [Undertale] lyrics by KHTLL13 | 4,591,678 | | Undertale
|
| 2. | Spider Dance Vocal Cover [Undertale] by Isabella (with lyrics) | 187,970 | | Undertale
|
| 3. | Gaster's Theme (Dark Darker Yet Darker) // Vocal Cover by Isabella // Undertale | 130,426 | | Undertale
|
| 4. | Megalovania Vocal Cover [Undertale] Sans Battle Theme with Lyrics | 98,737 | | Undertale
|
| 5. | Death by Glamour - Vocal cover [Undertale] by Isabella (with lyrics) | 72,294 | | Undertale
|
| 6. | 👋🏻Shake my hand in character😈 #helluvaboss #hazbinhotel #cosplay #undertale #stolas #shorts | 48,386 | | Undertale
|
| 7. | Determination (Game Over theme) - Vocal Cover by Isabella (lyrics by Attica Kish) | 34,153 | | Undertale
|
| 8. | Megalovania (Vocal Cover) + Song That Might Play When You Fight Sans | Undertale | 24,303 | | Undertale
|
| 9. | Spear of Justice 🐠 Vocal Cover by Isabella // Undertale (Undyne battle) | 20,370 | | Undertale
|
| 10. | Underfell Mettaton - Destruction by Glamour | Vocal Cover by Isabella | 18,907 | | Undertale
|
| 11. | Alphys / Here We Are - Vocal Cover by Isabella [Undertale] | 18,852 | Let's Play | Undertale
|
| 12. | Oh! One True Love - Female Cover by Isabella [Undertale] | 18,368 | | Undertale
|
| 13. | Metal Crusher 🤖 | Vocal Cover by Isabella | Undertale | 17,798 | | Undertale
|
| 14. | An Ending - Vocal Cover by Isabella [Undertale] | 9,471 | | Undertale
|
| 15. | They Need a Monster - Live Cover by Isabella (song by MandoPony) | 8,699 | | Undertale
|
| 16. | Fallen Down - Acapella Cover by Isabella [Undertale] | 7,329 | | Undertale
|
| 17. | Star (Chara and Frisk ver.) 🌟| Vocal Cover | Undertale | 5,890 | | Undertale
|
| 18. | Ruins + Ghost Fight 👻 | Vocal Cover | Undertale | 5,454 | | Undertale
|
| 19. | Once Upon a Time + Your Best Friend 📑 | Vocal Cover | Undertale | 5,392 | | Undertale
|
| 20. | Undertale - Asgore 👑 Vocal Cover by Isabella [English Lyrics] | 4,808 | | Undertale
|
| 21. | 💠 Core + Undertale 🌼 Vocal Cover by Isabella | 4,041 | | Undertale
|
| 22. | 🐵Multifandom cosplay p.2👼#Animaticon Moscow 20.04.25 #cosplay #косплей | 3,044 | | Undertale
|
| 23. | Waterfall + Snowy // Vocal Cover // Undertale (lyrics by Attica Kish) | 2,836 | | Undertale
|
| 24. | It's Raining Somewhere Else ☔️| Vocal Cover | Lyrics by Attica Kish | Undertale | 1,998 | | Undertale
|
| 25. | "How Do You Do Your Makeups?" My Evil Mettaton Tutorial | 783 | Tutorial | Undertale
|
