| 1. | GASTER RETURNS! "Don't Forget" [Undertale Fan-Made Sequel] Gameplay | 5,852,987 | Let's Play | Undertale
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| 2. | super undertale maker 2 | 4,837,368 | Let's Play | Undertale
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| 3. | playing UNDERTALE on the otamatone (badly) | 3,678,026 | Let's Play | Undertale
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| 4. | nintendo switch drum game has UNDERTALE SONGS ALKSJDFHLAKSJDHF | 2,749,228 | Let's Play | Undertale
|
| 5. | undertale but it's scary a little bit | 2,676,588 | Let's Play | Undertale
|
| 6. | AFTER UNDERTALE?! Uppertale FAN-MADE Sequel | Undertale 2 | 2,458,401 | Let's Play | Undertale
|
| 7. | AFTER GENOCIDE | DustTale Undertale Fangame Playthrough | 2,401,618 | Let's Play | Undertale
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| 8. | henry stickmin undertale reference hahahahaha | 2,100,158 | Let's Play | Undertale
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| 9. | True Pacifist Ending! Undertale Blind Playthrough | 1,909,117 | Let's Play | Undertale
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| 10. | BALDITALE | 1,872,169 | Let's Play | Undertale
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| 11. | 5 WEIRD UNDERTALE MOBILE GAMES | 1,724,330 | Let's Play | Undertale
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| 12. | DATING TORIEL | Undertale Dating Simulator "InLove" Gameplay | 1,613,760 | Let's Play | Undertale
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| 13. | 3 WEIRD UNDERTALE GAMES | 1,562,342 | Let's Play | Undertale
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| 14. | PLAYING AS CHARA! Undertale: The First Human [Demo] Fan-Made Gameplay | 1,496,719 | Let's Play | Undertale
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| 15. | The Final Battle! [12] Undertale Blind Playthrough | 1,422,049 | Let's Play | Undertale
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| 16. | FIGHTING THE RIVER PERSON - Undertale True Genocide Fangame | 1,358,500 | Let's Play | Undertale
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| 17. | 3D SANS FIGHT! "Yet Another Bad Time Simulator" Gameplay (Sans & Gaster Beaten) | 1,302,710 | Let's Play | Undertale
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| 18. | Undertale Genocide Run [Sans Battle & Ending] | 1,271,312 | Let's Play | Undertale
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| 19. | UNDERTALE CRINGE REACTION | 1,170,597 | Let's Play | Undertale
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| 20. | UNDERTALE HORROR GAME - Horrortale Playthrough with Commentary [Undertale Fan-Made Game Demo] | 1,109,935 | Let's Play | Undertale
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| 21. | MULTIPLAYER UNDERTALE | "Don't Forget" Online Multiplayer Undertale Fangame Gameplay | 1,068,719 | Let's Play | Undertale
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| 22. | GLITCHING OUT SANS | Undertale Corrupted Gameplay Part 1 | 1,027,004 | Let's Play | Undertale
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| 23. | UNDERTALE YELLOW GAMEPLAY [Pacifist] Fan-Made Undertale Prequel | 989,195 | Let's Play | Undertale
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| 24. | among us + undertale = amongtale | 954,772 | Let's Play | Undertale
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| 25. | UNDERTALE YELLOW GENOCIDE GAMEPLAY | Secret Boss Found! [Undertale Fangame] | 946,393 | Let's Play | Undertale
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| 26. | DON'T LEAVE ME! Can You Escape Love? An Undertale Inspired Escape the Room Game | 858,446 | Let's Play | Undertale
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| 27. | frustrating undertale parkour in minecraft | 819,121 | Let's Play | Undertale
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| 28. | BANNED FROM ROBLOX UNDERTALE??? | 707,918 | Let's Play | Undertale
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| 29. | the discount undertale experience | 704,035 | Let's Play | Undertale
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| 30. | SUPER UNDERTALE BROS!!1! | 662,582 | Let's Play | Undertale
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| 31. | Undertale Genocide Run [Part 1] Full Playthrough Gameplay | 599,600 | Let's Play | Undertale
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| 32. | YuB Undertale Don't Forget (Part 2) 2019 Fangame | 585,100 | Let's Play | Undertale
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| 33. | UNDERTALE RACING GAME! UnderRacer Gameplay | 547,538 | Let's Play | Undertale
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| 34. | KILLING TORIEL IN ROBLOX [Undertale 3D Boss Battles Gameplay] | 545,252 | Let's Play | Undertale
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| 35. | KILLING NAPSTABLOOK - Undertale True Genocide Fangame | 515,751 | Let's Play | Undertale
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| 36. | This Game is the Coolest! [1] Undertale Blind Playthrough | 512,313 | Let's Play | Undertale
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| 37. | RETURN TO THE UNDERGROUND | "Understory" Fan-Made Undertale Sequel Gameplay | 510,836 | Let's Play | Undertale
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| 38. | UNDERFELL GAMEPLAY [Pacifist] EVERYTHING'S DIFFERENT! Underfell Demo Playthrough [Undertale Fangame] | 502,633 | Let's Play | Undertale
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| 39. | PLAYING AS TORIEL | The Binding Of Undertale Gameplay | 490,873 | Let's Play | Undertale
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| 40. | PLAYING AS SANS | The Binding Of Undertale Gameplay | 427,755 | Let's Play | Undertale
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| 41. | MY SOUL IS DETERMINED | Can You Escape Fate Gameplay [Undertale Inspired Point & Click Game] | 423,996 | Let's Play | Undertale
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| 42. | Mettaton EX! [11] Undertale Blind Playthrough | 420,103 | Let's Play | Undertale
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| 43. | Undertale Genocide Run [Part 3] Full Playthrough Gameplay | 418,581 | Let's Play | Undertale
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| 44. | UNDERTALE IN 3D?! Undertale 3D Fan Game: MTT Resort Playthrough | 414,281 | Let's Play | Undertale
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| 45. | Cooking With Undyne! [9] Undertale Blind Playthrough | 381,103 | Let's Play | Undertale
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| 46. | UNDERTALE HARD MODE | It's actually pretty hard. (That's what she said) | 366,435 | Let's Play | Undertale
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| 47. | Undertale Genocide Run [Part 2] Full Playthrough Gameplay | 356,301 | Let's Play | Undertale
|
| 48. | undertale scary version aaaahhhhhh | 355,901 | Let's Play | Undertale
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| 49. | UNDERTALE RED PACIFIST RUN | The Best Undertale Fan Game Yet? | 355,821 | Let's Play | Undertale
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| 50. | I CAN'T BEAT DUSTTALE SANS | 355,472 | | Undertale
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| 51. | PRETTY DISTURBING | Creepypasta Land RPG Horror Gameplay Part 1 | 350,181 | Let's Play | Undertale
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| 52. | UNDERTALE COOKING BATTLE! Undercook Pacifist & Genocide Endings [Fan-made Battle Gameplay] | 348,820 | Let's Play | Undertale
|
| 53. | Undertale Genocide Run [Part 4] Full Playthrough Gameplay | 345,101 | Let's Play | Undertale
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| 54. | UNDERTALE.EXE [Undertale Horror Game] | 319,016 | Let's Play | Undertale
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| 55. | YUB ANIMATED | UNDERTALE EDITION [Made By Baglets] | 292,656 | Let's Play | Undertale
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| 56. | DRUMMERTALE | Undertale Drumming on a Toy Drumset | 284,084 | Let's Play | Undertale
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| 57. | BATTLE FOR MY SOUL | Can You Escape Fate Gameplay Part 2 [Undertale Inspired Point & Click Game] | 271,201 | Let's Play | Undertale
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| 58. | I Love You Goat Mom! [2] Undertale Blind Playthrough | 267,940 | Let's Play | Undertale
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| 59. | 3D UNDYNE BATTLE! "Yet Another Bad Time Simulator" Gameplay | 254,330 | Let's Play | Undertale
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| 60. | UNDERTALE RED GENOCIDE - Undertale Fan-Made Battle (Genocide Ending) Fan Game | 237,131 | Let's Play | Undertale
|
| 61. | TRUELAB.EXE | 233,295 | Let's Play | Undertale
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| 62. | Temmie Village! [10] Undertale Blind Playthrough | 229,813 | Let's Play | Undertale
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| 63. | GLITCHED ALPHYS | Undertale Corrupted Gameplay Part 2 | 218,622 | Let's Play | Undertale
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| 64. | These Dogs Are Nuts! [3] Undertale Blind Playthrough | 194,378 | Let's Play | Undertale
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| 65. | Undyne Boss Fight! [8] Undertale Blind Playthrough | 192,642 | Let's Play | Undertale
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| 66. | PAPYRUS FRIENDSHIP! [5] Undertale Blind Playthrough | 190,502 | Let's Play | Undertale
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| 67. | DRUMMERTALE 2 | More Undertale Drum Covers | 184,357 | Let's Play | Undertale
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| 68. | PUPPY KISSES! [4] Undertale Blind Playthrough | 173,788 | Let's Play | Undertale
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| 69. | Undertale PS4 Betrayal Route Playthrough Part 1 [Undertale Gameplay] | 169,552 | Let's Play | Undertale
|
| 70. | First Undyne Sighting! [6] Undertale Blind Playthrough | 158,230 | Let's Play | Undertale
|
| 71. | I made a metal band with 8-BitRyan (he doesn't know) | 155,719 | Let's Play | Undertale
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| 72. | Undertale Platforming Game!! PAPYRUS'S BIG ADVENTURE Gameplay | 151,124 | Let's Play | Undertale
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| 73. | ULTIMATE GENOCIDE | The Binding Of Undertale Gameplay | 150,757 | Let's Play | Undertale
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| 74. | Mad Dummy Mini Boss! [7] Undertale Blind Playthrough | 150,683 | Let's Play | Undertale
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| 75. | BENDY IN UNDERTALE | 137,154 | Let's Play | Undertale
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| 76. | SLENDERMAN ATTACKS | Creepypasta Land RPG Horror Gameplay Part 2 | 127,312 | Let's Play | Undertale
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| 77. | DEMON TAILS DOLL | Creepypasta Land RPG Horror Gameplay Part 3 | 122,258 | Let's Play | Undertale
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| 78. | BAD DOG | Creepypasta Land RPG Horror Gameplay Part 5 | 106,160 | Let's Play | Undertale
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| 79. | SCARY SQUIDWARD | Creepypasta Land RPG Horror Gameplay Part 4 | 93,497 | Let's Play | Undertale
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| 80. | GOOD ENDING | Creepypasta Land RPG Horror Gameplay Part 6 [Final] | 80,500 | Let's Play | Undertale
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| 81. | YUB'S GREATEST HITS VOLUME 2 | A Gaming Rap Montage | 74,332 | Let's Play | Undertale
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| 82. | GUESS WHO'S BACK | Creepypasta Land 2 Gameplay [RPG Horror] | 66,936 | Let's Play | Undertale
|
| 83. | Undertale PS4 Betrayal Route Playthrough Part 8 [Undertale Gameplay] | 58,358 | Let's Play | Undertale
|
| 84. | Undertale PS4 Betrayal Route Playthrough Part 2 [Undertale Gameplay] | 55,932 | Let's Play | Undertale
|
| 85. | Undertale PS4 Betrayal Route Playthrough Part 4 [Undertale Gameplay] | 54,302 | Let's Play | Undertale
|
| 86. | Undertale PS4 Betrayal Route Playthrough Part 3 [Undertale Gameplay] | 54,067 | Let's Play | Undertale
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| 87. | YUB'S GREATEST HITS VOLUME 4 [Rap/Songs/Dancing/Cringe Montage] | 49,898 | Let's Play | Undertale
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| 88. | SHE WON'T LEAVE | Umfend Indie Horror Gameplay | 43,679 | Let's Play | Undertale
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| 89. | Undertale PS4 Betrayal Route Playthrough Part 7 [Undertale Gameplay] | 38,961 | Let's Play | Undertale
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| 90. | WHO IS THIS?! | Creepypasta Land 2 Gameplay [RPG Horror] Part 2 | 37,241 | Let's Play | Undertale
|
| 91. | Undertale PS4 Betrayal Route Playthrough Part 5 [Undertale Gameplay] | 33,397 | Let's Play | Undertale
|
| 92. | TURTLE HEAD RPG HORROR [Part 1] Gameplay Playthrough | 31,384 | Let's Play | Undertale
|
| 93. | Undertale PS4 Betrayal Route Playthrough Part 6 [Undertale Gameplay] | 26,977 | Let's Play | Undertale
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| 94. | CREEPY INVISIBLE MONSTERS! [#1] Mouth Sweet RPG Horror Playthrough | 22,578 | Let's Play | Undertale
|
| 95. | some otamatone highlights, I am very good #yub #undertale | 22,226 | | Undertale
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| 96. | TURTLE HEAD RPG HORROR [Part 4 & Ending] Gameplay Playthrough | 19,150 | Let's Play | Undertale
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| 97. | TURTLE HEAD RPG HORROR [Part 2] Gameplay Playthrough | 16,888 | Let's Play | Undertale
|
| 98. | TURTLE HEAD RPG HORROR [Part 3] Gameplay Playthrough | 14,489 | Let's Play | Undertale
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| 99. | THINGS GET BAD! [#2] Mouth Sweet RPG Horror Playthrough | 12,967 | Let's Play | Undertale
|
| 100. | OFF Full Playthrough [#1] Indie RPG Adventure | 12,745 | Let's Play | Undertale
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