| 1. |  Bax | GETTING MAX LEVEL MUTATION in Science Simulator! - Roblox | 180,068 | |
| 2. |  Indieun | NOOB buys TONS of OP PETS in SCIENCE SIMULATOR... (ROBLOX) | 103,812 | |
| 3. | AyeYahZee | I Became The SMARTEST SCIENTIST With 999,999,999 IQ In Roblox Science Simulator! | 52,898 | |
| 4. | BreezyRB | ALL EGG HUNT EGG LOCATIONS + EASTER CHAMPION PET in SCIENCE SIMULATOR - ROBLOX | 50,010 | |
| 5. |  DefildPlays | Science Simulator *MAX RESEARCH BOOST* ALL NEW Science Simulator Codes | Roblox Quick Codes | 42,951 | |
| 6. |  SpyplantGaming | VI BLIVER TIL EN VIDENSKABSMAND!? Science Simulator | 31,614 | |
| 7. | AlphaGG | HOW I HATCHED *3 SHINY SECRETS* IN *3 DAYS!!* - Science Simulator (Roblox) | 27,323 | |
| 8. | AlphaGG | I AM THE LUCKIEST PLAYER!! SO MANY SUCCESSFUL SHINY SECRET MUTATIONS!! - Science Simulator (Roblox) | 20,303 | |
| 9. | AlphaGG | 🌌UPDATE 6🌌 3 NEW EGGS!! 7 NEW SECRET PETS!! - Science Simulator (Roblox) | 19,567 | Vlog |
| 10. | AlphaGG | 2ND ALL TIME EGGS!! 20+ SECRETS PETS HATCHED!! - Science Simulator (Roblox) | 18,507 | |
| 11. | AlphaGG | MUTATING THE *MOST RARE* SHINY SECRETS!! *HUGE* RISK!! - Science Simulator (Roblox) | 17,616 | |
| 12. | Berlian kecil | * NEW SECRET PETS * EGG HUNT completed! [🐇EGG HUNT🐇] Science Simulator ROBLOX | 17,136 | |
| 13. | AlphaGG | ☣️MUTATIONS☣️ BIGGEST UPDATE OF ALL TIME!! ONLY MUTATED SHINY SECRET!! - Science Simulator (Roblox) | 15,890 | Vlog |
| 14. | AlphaGG | I GOT BANNED IN ROBLOX SCIENCE SIMULATOR!! | 13,852 | |
| 15. | AlphaGG | THE *SHINY* WIND-UP ROBOT GOT A *FAILED* MUTATION!! - Science Simulator (Roblox) | 13,688 | |
| 16. | AlphaGG | 👑1 TRILLION REBIRTHS👑 2 NEW EVENT EGGS!! PART 1 EVENT!! - Science Simulator (Roblox) | 13,074 | |
| 17. | isightstrue | HOW TO GET GOOD AT SCIENCE SIMULATOR *2021* | 12,514 | Guide |
| 18. | AlphaGG | I TRADED FOR THE NEW RAREST SHINY SECRET PET!! - Science Simulator (Roblox) | 11,800 | |
| 19. | AlphaGG | I TRADED FOR *BOTH* SHINY MECH DESTROYERS!! MOST RARE PET!! - Science Simulator (Roblox) | 10,610 | |
| 20. | AlphaGG | STRONGEST NEW SHINY SECRET PETS + HATCHED SHINY SECRET!! - Science Simulator (Roblox) | 10,515 | |
| 21. | AlphaGG | 🌋UPDATE 11🌋 HUGE NEW CHANGES TO MUTATIONS!! - Science Simulator (Roblox) | 10,515 | Vlog |
| 22. | AlphaGG | 1ST PLAYER TO HIT *2 TRILLION* REBIRTHS AND *30 SECRETS* HATCHED!! - Science Simulator (Roblox) | 10,350 | |
| 23. |  yt_dgwm | 🐇FREE SHINY SECRET 🐇 Easter Egg Hunt Event Limited Secret Pet Easter Champion | Science Simulator! | 10,318 | |
| 24. | AlphaGG | IS ALPHAGG HACKING?! - Science Simulator (Roblox) | 10,317 | Let's Play |
| 25. | AlphaGG | *HUGE* Science Simulator Q&A w/ Cigatronix - UNSEEN Gameplay!! | 10,115 | Let's Play |
| 26. | isightstrue | The OWNER Joined And GAVE ME THIS... ✨BEST SECRET PET EVER...✨ ROBLOX SCIENCE SIMULATOR | 9,640 | Vlog |
| 27. | isightstrue | 🚨NEW SCIENCE SIMULATOR SECRET CODES!!🚨 (SPECIAL YOUTUBER CODES??!) | 9,570 | Vlog |
| 28. | isightstrue | 🚨UPDATE 15🚨 FREE SECRET!?✨FROM THE 💎CRYSTAL CAVE!💎 SCIENCE SIMULATOR! | 9,365 | Vlog |
| 29. | AlphaGG | 🍀ST PATRICKS EVENT🍀 NEW EGG & SECRETS!! - Science Simulator (Roblox) | 9,338 | |
| 30. | AlphaGG | DID ALPHAGG QUIT?! #1 SCIENCE SIMULATOR PLAYER GONE FOR A WEEK!! - (Roblox) | 9,052 | Let's Play |
| 31. |  The Spotlight | ALL *SECRET OP* CODES IN 🧪SCIENCE SIMULATOR🧪(Codes in description) | 8,392 | |
| 32. | AlphaGG | I GOT THE SHINY ETHEREAL BRICK!! 6K STATS!! MOST RARE & OP PET!! - Science Simulator (Roblox) | 8,217 | |
| 33. | AlphaGG | ☢️PET MUTATIONS☢️ LEAKS & NEW EVENT!! - Science Simulator (Roblox) | 7,901 | |
| 34. | AlphaGG | BIGGEST SCIENCE SIM UPDATE EVER COMING SOON!! - Science Simulator (Roblox) | 7,895 | Vlog |
| 35. |  Unomationz | Roblox Science Simulator Brand NEW CODES (JANUARY 2021)!!! + Gameplay Guide | 7,334 | |
| 36. | AlphaGG | 👑KING TITLE👑 50B+ REBIRTHS!! #1 PLAYER!! - Science Simulator (Roblox) | 7,120 | |
| 37. | AlphaGG | 🏆1ST ON REBIRTHS AND 🏆3RD ON EGGS OPENED!! - Science Simulator (Roblox) | 7,109 | |
| 38. | AlphaGG | 100B+ REBIRTHS!! SHINY MECH DESTROYER SHOWCASE!! - Science Simulator (Roblox) | 7,109 | Show |
| 39. | AlphaGG | 🌎GLOBAL TRADING🌎 BIGGEST UPDATE YET!! - Science Simulator (Roblox) | 6,919 | Vlog |
| 40. | yt_dgwm | 🔥🔥Hot🔥🔥 Join the New Update Science Simulator and hatch a SECRET Lava Champion in few minutes | 6,631 | Vlog |
| 41. | Peakified | Science Simulator Script | Rebirth,Auto Open 3 Eggs,Auto Rebirth (OP) | 6,228 | |
| 42. | yt_dgwm | [🌌PART 2🌌] 🧪Science Simulator! Hatched All Legendary Pets in New Update | All Code | 5,767 | Vlog |
| 43. | isightstrue | I ✨HATCHED MY 😳FIRST SECRET.. In 6 MILLION EGGS In ROBLOX 💫👆SCIENCE SIMULATOR | 5,556 | Vlog |
| 44. | Berlian kecil | * GALACTIC EVENT AND NEW CODES * NEW SECRET PETS! Science Simulator ROBLOX | 17 January 2021 | 5,456 | |
| 45. | yt_dgwm | Hatched All New Egg Legendary And A New Secret ⚡Genesis⚡ In Science Simulator! | 5,374 | |
| 46. | DefildPlays | ALL 29 FREE 5M EVENT PET BOOST CODES IN SCIENCE SIMULATOR! Roblox | 5,183 | |
| 47. | DefildPlays | ALL FREE TWILIGHT EVENT KING COOKIE PET CODES IN SCIENCE SIMULATOR! | 5,156 | |
| 48. | yt_dgwm | Hatched All Legendary In LAVA WASTELAND [🌋PET TEAMS🌋] 🧪Science Simulator! | 5,008 | |
| 49. | Berlian kecil | * VALENTINES AND NEW 3 CODES * [❤️PART 1❤️] Science Simulator ROBLOX | 4,435 | |
| 50. | isightstrue | MUTATING MY FIRST ✨SHINY✨ SECRET PET IN SCIENCE SIMULATOR! | 4,369 | Vlog |
| 51. | Berlian kecil | * 5M EVENT AND 4 NEW CODES* [5M EVENT] Science Simulator ROBLOX | 4,240 | |
| 52. | isightstrue | I GOT THE ✨😍BEST SHINY SECRET✨ IN THE GAME... 👆✨*CARNIVAL UPDATE!* 🧪💎SCIENCE SIMULATOR | 3,937 | Vlog |
| 53. | isightstrue | 🚨MUTATING THE BRAND NEW SECRETS!!🚨 NEW PET SUN, WATER AND ELETRIC ELEMENTAL!! *SCIENCE SIMULATOR!* | 3,906 | Vlog |
| 54. | isightstrue | 🌎GLOBAL TRADING ✨SECRETS✨ IN ROBLOX SCIENCE SIMULATOR | 3,900 | Vlog |
| 55. | isightstrue | I CREATED THE FIRST MUTATED *SECRET* TEAM IN SCIENCE SIMULATOR | 3,802 | Vlog |
| 56. | isightstrue | 🚨SCIENCE SIMULATOR UPDATE 8!🚨 NEW EASY MUTATIONS, GAMEPASSES!!, CODES, EVENT AND MORE! | 3,714 | Vlog |
| 57. | isightstrue | 🚨I GOT MY FIRST SECRET IN 4 MILLION EGGS!🚨 *SCIENCE SIMULATOR NEW MECH EGG!! | 3,713 | Vlog |
| 58. | isightstrue | THE 👑NUMBER #1 PLAYER👑 IN SCIENCE SIMULATORS INVENTORY!! ✨SHINY GUNTER GAURDIAN!?✨ | 3,596 | Vlog |
| 59. | isightstrue | I GOT THE BEST ✨SECRET✨ PET IN SCIENCE SIMULATOR... 😳LOOKS INSANE!😳 | 3,418 | Vlog |
| 60. | isightstrue | 🚨SCIENCE SIMULATOR UPDATE 9!🚨 VALENTINES DAY EVENT!, SECRETS!!, CODES, BUFFS AND MORE! | 3,392 | Vlog |
| 61. | DefildPlays | Roblox Science Simulator *ROBUX BOOST PETS* ALL NEW Science Simulator Codes | Roblox Quick Codes | 3,363 | |
| 62. | yt_dgwm | 🙀OMG😱5M New Update I Mutated SHINY SECRET GALACTIC Pufferfish And Evil Radium In Science Simulator! | 3,360 | Vlog |
| 63. | ToadBoiGaming | [🔥MUTATIONS🔥] 🧪Science Simulator! I BOUGHT EVERY GAMEPASS! SHOWING ALL NEW SECRET PETS (Roblox) Code | 3,353 | |
| 64. | isightstrue | I GOT THE ✨😍BEST LEGENDARY✨ IN THE NEW 🤡👆CARNIVAL UPDATE!✨ IN 🧪💎SCIENCE SIMULATOR!! | 3,236 | Vlog |
| 65. | Mirana Davion | Roblox Science Simulator New Codes December 2020 | 3,116 | |
| 66. | Berlian kecil | * HOW TO PLAY AND ALL CODES * [50% SALE] Science Simulator ROBLOX | 3,094 | |
| 67. | Gamer Tweak | ALL New *17* Roblox Science Simulator Codes! (January 2021) | (WORKING) | 3,079 | |
| 68. | isightstrue | 🚨UPDATE 16🚨 MASSIVE UPDATE!✨ 😳BEST EGG EVER...😲 SCIENCE SIMULATOR! | 2,850 | Vlog |
| 69. | isightstrue | I HATCHED MY FIRST ✨SHINY✨ SECRET PET IN SCIENCE SIMULATOR *INSANELY RARE!* | 2,758 | Vlog |
| 70. | isightstrue | I GOT THE BEST LEGENDARY PET IN SCIENCE SIMULATOR! *ONLY 12 IN THE GAME?!* AND I HAVE 2! | 2,677 | Vlog |
| 71. | isightstrue | 🚨SHINY VALENTINES DAY SECRETS!🚨 THE STATS ARE INCREDIBLE! ✨ SCIENCE SIMULATOR | 2,555 | Vlog |
| 72. | Riz Town | 🌎Hatched Pet Earth | Mutations Update! | Science Simulator🧪 | 2,542 | Vlog |
| 73. | isightstrue | 🚨UPDATE 17🚨 EASTER EGG HUNT!🐣 FREE PET!?🐶, INSANE EGGS! NEW AREA! 🧪 SCIENCE SIMULATOR | 2,515 | Vlog |
| 74. | isightstrue | I TOOK OVER THE SCIENCE SIMULATOR LEADERBOARDS!! | 2,508 | Vlog |
| 75. | As Dead As A Rock | NEW *MUTATIONS* UPDATE CODES IN SCIENCE SIMULATOR! NEW PETS! NEW UPDATE! || Roblox | 2,494 | Vlog |
| 76. | isightstrue | I GOT EVERY 🍀 SAINT PATRICKS 🍀 ✨SECRET✨ PET IN SCIENCE SIMULATOR! | 2,435 | Vlog |
| 77. | yt_dgwm | 💎CRYSTAL💎Collected All New Legendary Pets | 🧪Science Simulator! | 2,430 | |
| 78. |  Axcist | Симулятор ученого, коды роблокс. Science Simulator коды roblox. | 2,404 | |
| 79. | yt_dgwm | I Hatching All New Legendary In 🛰️GALACTIC🛰️ Event | Science Simulator | 2,391 | |
| 80. | isightstrue | GIVING NOOBS FREE SECRET PETS IN SCIENCE SIMULATOR! | 2,329 | |
| 81. | isightstrue | 🚨UPDATE 12🚨 I GOT ALL THE NEW SECRETS!! *CRAZY* SCIENCE SIMULATOR! | 2,322 | Vlog |
| 82. | isightstrue | 📢SCIENCE SIMULATOR UPDATE 7!📢 NEW MUTATIONS!?, MUTATED SECRETS!!, CODES, EVENT AND MORE! | 2,318 | Vlog |
| 83. | isightstrue | I GOT THE MOST ✨POWERFUL✨ PET IN SCIENCE SIMULATOR... 💎CRYSTAL CAVE💎 | 2,291 | Vlog |
| 84. | ToonFirst | Science Simulator! - New Update New world, Toy Land! Roblox | 2,283 | Vlog |
| 85. | isightstrue | NUMBER 1 PLAYER 💥BANNED IN SCIENCE SIMULATOR 😲ALPHAGG😳 | 2,283 | Vlog |
| 86. | Roblox Pet Adventures! | TOP 10 BEST EGGS TO GRIND IN SCIENCE SIMULATOR!! | Science Simulator | Roblox | 2,263 | |
| 87. | Berlian kecil | * NOSTALGIA Event Part 2 AND NEW 3 CODES * [🌟PART 2🌟] Science Simulator ROBLOX | 2,259 | |
| 88. | isightstrue | 🚨SCIENCE SIMULATOR UPDATE 10!🚨 NEW REWARD SHOP!, SPACE AREA!!, CODES, HUGE UPDATE! | 2,250 | Vlog |
| 89. | isightstrue | I CREATED THE MOST ✨VALUABLE✨ TEAM IN SCIENCE SIMULATOR 😲 | 2,245 | Vlog |
| 90. | Auto Vs Cars@ | Ambulance Rescue Simulator Mega Tech Studio #shorts 2023 | 2,205 | |
| 91. | isightstrue | SCIENCE SIMULATOR IS MAKING A HUGE CHANGE... | 2,201 | Vlog |
| 92. | isightstrue | Science Simulator GLOBAL TRADING!? | 2,196 | Vlog |
| 93. |  Journey towards success | *ST PATRICK* UPDATE ALL WORKING CODES SCIENCE SIMULATOR ROBLOX | SCIENCE SIMULATOR CODES | 2,196 | Vlog |
| 94. | yt_dgwm | [🌙MOON🌙] New Update Hatched All Moon Egg Legendary Pets 🧪Science Simulator! | 2,173 | Vlog |
| 95. | isightstrue | 🚨NEW UPDATE!🚨 ALL PETS STATS ✨DOUBLED!✨ AND NEW SECRETS!! | 2,055 | Vlog |
| 96. | isightstrue | I GOT THE SHINY ✨SECRET✨ IN 🍀UPDATE 15!🍀 SCIENCE SIMULATOR! | 2,018 | Vlog |
| 97. | Berlian kecil | * VALENTINES PART 2 AND SPACE * NEW 3 CODES! [🛰️SPACE🛰️] Science Simulator ROBLOX | 1,963 | |
| 98. | isightstrue | 🍀NEW UPDATE 14!🍀 HUGE UPDATE! 👨💻DEVELOPER PET!!👨💻 NEW BOOSTS, OP CODES, AND SUPER EGG! | 1,958 | Vlog |
| 99. | ToadBoiGaming | [🌋PET TEAMS🌋] 🧪Science Simulator! New Lava world with 6 new secret pets (Roblox) Codes | 1,925 | |
| 100. | isightstrue | I GOT ALL THE NEW SECRET PETS!! 🚨ALL 7!?🚨 SUPER OP!✨1 IN 25 MILLION!!✨ | 1,922 | Vlog |
