| 1. | Undertale Figurines & Plushies - Undertale 3rd Anniversary (Project VA Special)! | 31,657 | Let's Play | Undertale
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| 2. | Undertale Bonus Content - Hard Mode & Console Screen Borders | 11,569 | | Undertale
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| 3. | Undertale Bonus Content - NS Mew Mew & Fun Value Events | 4,006 | | Undertale
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| 4. | Undertale Collector's Edition - Unboxing & PS4 Dynamic Theme! | 2,733 | Let's Play | Undertale
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| 5. | Undertale Bonus Content - Voice Acting Blooper Reel & Animations! | 2,132 | Let's Play | Undertale
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| 6. | Undertale Art Book & Switch Version - Unboxing & Showcase! | 1,502 | Show | Undertale
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| 7. | Update - Undertale is COMING TO CONSOLES! | 1,367 | Let's Play | Undertale
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| 8. | SSBU: Undertale 4th Anniversary Replay - 3 Stock NoItems MEGALOVANIA (NS) | 1,051 | | Undertale
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| 9. | Super Mario Maker 2 - Undertale 2D Recreation (Undertale's 5th & Mario's 35th Anniversary Special)! | 899 | | Undertale
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| 10. | My DecalGirl Custom New3DS Undertale Skin - Showcase & Assembling! | 798 | Show | Undertale
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| 11. | Undertale Bonus Content - PSN Trophies & Dog Sanctuary | 691 | Let's Play | Undertale
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| 12. | DeltaRune (PC) #freegame - An Undertale 2 Survey? | 443 | | Undertale
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| 13. | Undertale Bonus Content - Nintendo Switch Teaser Fan-Dub! | 359 | | Undertale
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| 14. | Undertale - True Pacifist Playthrough Part 1 THE TRIP BEGINS | 346 | Let's Play | Undertale
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| 15. | Update - Sans In Smash, Undertale References & More DLC Fighters! | 216 | Vlog | Undertale
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| 16. | Undertale - True Pacifist Playthrough Part 23 YOUR BEST NIGHTMARE | 128 | Let's Play | Undertale
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| 17. | Undertale - True Pacifist Playthrough Part 28 ASRIEL DREEMURR | 127 | Let's Play | Undertale
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| 18. | Undertale Bonus Content - XBLA Dog-Casino & No Controller Messages | 118 | Let's Play | Undertale
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| 19. | Undertale - True Pacifist Playthrough Part 2 THE DAPPER RUINS | 105 | Let's Play | Undertale
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| 20. | Undertale - True Pacifist Playthrough Part 4 GIVE THE DOGS A SKELE-BONE | 95 | Let's Play | Undertale
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| 21. | Update 03/04/2017 Let's Wrap Things Up! | 94 | Let's Play | Undertale
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| 22. | Undertale - True Pacifist Playthrough Part 17 WELCOME TO MTT RESORT! | 84 | Let's Play | Undertale
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| 23. | Undertale - True Pacifist Playthrough Part 3 TOUGH CHOICES | 82 | Let's Play | Undertale
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| 24. | Update 08/03/2018 - Nintendo Direct Remakes & Ports! | 81 | Let's Play | Undertale
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| 25. | Undertale - True Pacifist Playthrough Part 22 THE FINALE? | 79 | Let's Play | Undertale
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| 26. | Undertale - True Pacifist Playthrough Part 29 LAST GOODBYES... | 75 | Let's Play | Undertale
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| 27. | Undertale - True Pacifist Playthrough Part 30 THE GRAND FINALE! | 74 | Let's Play | Undertale
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| 28. | Undertale - True Pacifist Playthrough PROJECT CREDITS | 66 | Let's Play | Undertale
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| 29. | Undertale - True Pacifist Playthrough Part 12 WHEN UNDYNE ATTACKS | 66 | Let's Play | Undertale
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| 30. | Undertale - True Pacifist Playthrough Part 13 A LETHAL QUIZ SHOW | 65 | Let's Play | Undertale
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| 31. | Undertale - True Pacifist Playthrough Part 24 REWINDING FOR ALPHYS! | 64 | Let's Play | Undertale
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| 32. | Undertale - True Pacifist Playthrough Part 5 THOROUGHLY JAPED | 63 | Let's Play | Undertale
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| 33. | Update 20/07/2016 Secret Special Let's Play Announcement! | 60 | Let's Play | Undertale
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| 34. | Undertale - True Pacifist Playthrough Part 7 HOOKED ON THE BROTHERS | 59 | Let's Play | Undertale
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| 35. | Undertale - True Pacifist Playthrough Part 20 A FABULOUS PLOT-TWIST? | 54 | Let's Play | Undertale
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| 36. | Undertale - True Pacifist Playthrough Part 9 CONFLICTING FEELINGS | 53 | Let's Play | Undertale
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| 37. | Undertale - True Pacifist Playthrough Part 26 LEARNING THE FACTS | 53 | Let's Play | Undertale
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| 38. | Undertale - True Pacifist Playthrough Part 6 MAKING FRIENDS | 53 | Let's Play | Undertale
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| 39. | Undertale - True Pacifist Playthrough Part 14 THE CAKE IS A LIE | 51 | Let's Play | Undertale
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| 40. | Undertale - True Pacifist Playthrough Part 18 SWIMMING IN MONEY! | 50 | Let's Play | Undertale
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| 41. | Undertale - True Pacifist Playthrough Part 16 THE SPIDER DANCE-OFF | 49 | Let's Play | Undertale
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| 42. | Undertale - True Pacifist Playthrough Part 11 LIGHT UP THE DARKNESS! | 49 | Let's Play | Undertale
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| 43. | Undertale - True Pacifist Playthrough Part 25 THINGS ARE NOT RIGHT | 47 | Let's Play | Undertale
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| 44. | Undertale - True Pacifist Playthrough Part 27 EVERYTHING FALLS INTO PLACE | 47 | Let's Play | Undertale
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| 45. | Undertale - True Pacifist Playthrough Part 21 JUDGEMENT DAY | 47 | Let's Play | Undertale
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| 46. | Undertale - True Pacifist Playthrough Part 19 CORE PROBLEMS | 46 | Let's Play | Undertale
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| 47. | Undertale - True Pacifist Playthrough Part 10 MAD MUSIC | 46 | Let's Play | Undertale
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| 48. | Undertale - True Pacifist Playthrough Part 15 EXPLODING NEWS | 46 | Let's Play | Undertale
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| 49. | Undertale - True Pacifist Playthrough Part 8 DODGED A BULLET | 42 | Let's Play | Undertale
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