Updated: December 17, 2025
We added the latest codes!
Welcome to the most unhinged corner of the internet—your quest begins now: grab Become the Biggest Brainrot codes, click to train, absorb Brainrot chaos, and do exactly what the title of the game says! The sky stairway seems big at first, but once you hit that growth spurt, you'll be at the top.
All Become the Biggest Brainrot Codes List
It takes time to Become the Biggest Brainrot, but thankfully, codes can help you speed up the process. Kick start your growing journey with potions and free rebirths, until your Brainrot becomes the size of the planet itself. For more brainrot, dive into our Spin a Brainrot Codes article and get more goodies.
Active Codes
Become the Biggest Brainrot Codes
| Speed | Speed Potions | |
| 5MVisits | Size Potions | |
| Update4 | Unlocks Rebirth |
Expired Codes
- There are no expired codes.
Related: Plants vs Brainrots Codes
How to Redeem Codes in Become the Biggest Brainrot
Follow the instructions below to redeem your Become the Biggest Brainrot codes:
- Run Become the Biggest Brainrot in Roblox.
- Press the Shop button on the right side.
- Enter the code into the text box.
- Hit the Redeem button to get goodies.
How to Get More Codes
The Biggest Brainrot Roblox group is he only source you can check out right now. The codes are posted regularly on the main Roblox game page. If you're worried you might miss a few codes cause you won't visit the game page on time, you can bookmark and view our article anytime you want. We will always add the latest codes to our list.
Become the Biggest Brainrot FAQ
Did you know that you can unlock a faster auto-train button? Join the official Roblox group (linked above), like the game, and play for 30 minutes to snag the fastest training mode. There are also daily goodies that pop up when you enter the game.
We know that Rebirthing in games will reset your progress to zero, but you'll get buffs in return. What's ascension then? Ascending will reset your rebirths as well, but it will essentially grant you a massive growth buff that's worth having.
Become the Biggest Brainrot is, as the title says, a Roblox game where you click the screen to grow and become the biggest Brainrot. Getting there will be a challenge, though. Not only does it require patience, but it also requires a massive amount of clicking, climbing, and rebirthing.
And that’s a wrap on these! Check out our other Roblox Game Codes and Roblox Promo Codes posts—the party’s just getting started over there.
Ana Mitic, a seasoned code writer for GAMURS, blends her deep-rooted passion for gaming with her professional expertise. With a decade of gaming experience, she specializes in immersive titles like Baldur’s Gate 3 and The Witcher 3. Her fondness for horror games highlights her diverse gaming tastes. Beyond gaming, her life is enriched by her four cats and a fluffy dog, adding a personal touch to her tech-savvy persona.
