| 1. |  NecrosVideos | 5 | Necros Plays This Is The Only Level 2 HD #3 FINALLY!! | 9:01 |
| 2. | JustBoredGaming | 4 | This is the Only Level 4 - Part 3 | 15:32 |
| 3. | TheGamerK | 4 | This Is The Only Level Part 4 | 23:03 |
| 4. | batouttahell24 | 2 | NOSTALGIA OVERLOAD - This Is The Only Level (ALL GAMES - Part 1) | 30:06 |
| 5. | MudkipWithShades | 2 | This Is The Only Level Tetralogy | 34:13 |
| 6. | ParashockX | 2 | If I complete the level, the video ends - Geometry Dash This is the Only Level | 5:49 |
| 7. | Gaming Junk Shop | 1 | This is the Only Level Flash Game Walkthrough | 7:56 |
| 8. | Tigerverse | 1 | This is the only level | 0:00 |
| 9. | EVOCATIONIST | 1 | TAKE ME BACK TO... This Is The Only Level [FULL GAME] But not the only stage! | 0:00 |
| 10. | ExtemporaneousnessOne | 1 | Speedrun Attempt - This Is The Only Level (1P) | 6:51 |
| 11. | Geeks Welcome Plays | 1 | There is Only ONE Level... | 12:50 |
| 12. | dancusekcz | 1 | This is the only level from IShowSpeed i can beat.. | 3:03 |
| 13. | HamsterGabe | 1 | This is the Only Level | 10:09 |
| 14. | AT0MALY | 1 | Flashback Wednesday - THIS IS THE ONLY LEVEL | 15:24 |
| 15. | Plus Two Comedy Gaming | 1 | This is the Only Level - Flash Game Paradox | 17:26 |
| 16. | CaillouKan | 1 | THERE IS ONLY ONE LEVEL | THIS IS THE ONLY LEVEL... | 6:35 |
| 17. | SubOptimal | 1 | This Is The Only Level - Flash Friday #3 | 12:39 |
| 18. | ProofSILVER135 | 1 | Just One Level?? | 0:09 |
| 19. | Maximum | 1 | Why The 'Flawless' 7-Way Speedrun Tie ISN'T Perfect | 23:24 |
| 20. | A Logic Named Jesse | 1 | [J]ust Browsing - This Is The Only Level | 31:22 |
| 21. | Beard Gang | 1 | "This is only level 2" | BEARD GANG ANIAMTED #shorts | 0:29 |
| 22. | Aleph F. Zero | 1 | One level? HOW HARD CAN IT BE? | 23:42 |
| 23. | worst nightmare | 1 | This is the Only Level in the Fangame (Walkthrough) | 14:15 |
| 24. | LilAggy VODs | 1 | This is the only level... or is it? - Flash Game Olympics [2] | 52:10 |
| 25. | Armor Games Studios | 1 | This Is The Only Level 4 Walkthrough / Speedrun - 6:49 | 8:04 |
| 26. | DDoS | 1 | This is the Only Level | The Elephant that Could! | 12:30 |
| 27. | Theirishmanplays | 1 | I singularily DIE! || The Irishman Plays This Is The Only Level | 15:36 |
| 28. | Tasselfoot | 1 | This Is The Only Level Walkthrough - 0 Deaths - 3:55 | 4:59 |
| 29. | jakepeter | 1 | This is the Only Level Full Walkthrough (Flash Friday #17) | jakepeter | 8:39 |
| 30. | We Flash People | 1 | This Is The Only Level: 20 Minutes of Gameplay, One Minute of Music | 23:34 |
| 31. | D4VE | 1 | This Is The Only Level (Flash Game Commentary playthrough) | 11:47 |
| 32. | ViolarulesGaming | 1 | This Is The Only Level | 12:39 |
| 33. | MushroomMan | 1 | Playing Random Adoble Flash Games | 28:23 |
| 34. | Basiliskfang | 1 | This is the Only Level | MANIC FLASH MONDAYS | 15:54 |
| 35. | Vennori | 1 | No Swear Electric Challenge "THIS IS THE ONLY LEVEL" Gameplay (Shock Collar Challenge) | 9:29 |
| 36. | EazySpeezy | 1 | I decided to speedrun This Is The Only Level and discovered the definition of insanity | 3:51 |
| 37. | Jerma Stream Archive [With Chat] | 1 | Jerma Streams [with Chat] - Flash Games (Part 3) | 5:32:13 |
| 38. | CapsLockKeyon | 1 | This is the Only Level | I OWNED This Game | 10:17 |
| 39. | PepperHead | 1 | THIS IS THE ONLY LEVEL - #FlashGames (All Levels) | 9:20 |
| 40. | Battlecube314 | 1 | This is the Only Level Speedrun (2'57"675, 1 death) | 3:52 |
| 41. | GPU Shock | 1 | This is the Only Level | 10:51 |
| 42. | Noneman | 1 | Let's Play This is the Only Level | 8:56 |
| 43. | smartalec24 | 1 | This is the Only Level - Any% Pauseless+Glitchless in 3:41.10 | 4:48 |
| 44. | JasonOfArgo | 1 | One Level, Many Layers | This is the Only Level (Old Flash Game) | 22:47 |
| 45. | rvlast | 1 | This Is The Only Level Of This Game | 10:39 |
| 46. | VIInçaunt | 1 | This is the only level - Completed | VERY CREATIVE GAME | 20:57 |
| 47. | JimAboo's Channel (Jimmy Wise) | 1 | Browser Tuesday: Charlie is my Friend; This is the Only Level | 14:13 |
| 48. | iMThatOnlyBeast13 | 1 | [This Is The Only Level] "THIS IS THE BEST LEVEL EVER!" (Puzzle Game) | 8:38 |
| 49. | JoyceIsDie / Dat360NoScope | 1 | This is the Only Level | 9:51 |
| 50. | Tall Fox | 1 | 5 Flash Games From Childhood - Things Were Simpler and Bad then - Tall Fox Reviews | 17:14 |
| 51. | Game Controller Network | 1 | SO CLEVER!!! | This is the Only Level | Bottles and Pete play | 10:30 |
| 52. | zettovyker | 1 | Let's Play This is the Only Level! | 4:40 |
| 53. | NICK54222 | 1 | Let's Play This is The Only Level | 8:49 |
| 54. | Terrible Tommy | 1 | THIS IS THE ONLY LEVEL vs The World's Worst Gamer! | 8:09 |
| 55. | Dekap | 1 | This Is The Only Level - But Not Really (Rage Gameplay) | 14:21 |
| 56. | FuzzyFuzzy871 | 1 | FuzzyFurry Plays: This is the Only Level | 8:30 |
| 57. | Newecreator | 1 | Let's Play This Is The Only Level - Refresh The Page! | 11:00 |
| 58. | TheGamedawg | 1 | Let's Play This is the Only Level | 9:37 |
| 59. | OmegaX5000 | 1 | Let’s Play This is the Only Level | 12:45 |
| 60. | TrunksWD | 1 | THIS IS THE ONLY LEVEL – Flash Friday | 12:46 |
| 61. | Thunder Gabe | 1 | CAN YOU FIND ALL THE BUTTONS IN THIS INSANE LEVEL?!?!? | This Is The Only Level | 20:04 |
| 62. | ReapeeRon | 1 | LIL ELEPHANT CAN DO IT | This Is The Only Level | 15:19 |
| 63. | Funky G | 1 | ONE-OFF WEDNESDAY #99: This Is The Only Level (PC) | 13:08 |
| 64. | Rooster Teeth | 1 | Rage Quit - This is the Only Level | Rooster Teeth | 8:08 |
