Update: added new Become the Biggest Brainrot codes on December 16, 2025
Roblox is filled with games about raising or stealing brainrots, but about actually becoming one instead? Become the Biggest Brainrot lets you fulfil your dream of becoming a brainrot, and the biggest one at that! Train yourself to become the biggest brainrot on the server and dominate others with your sheer size. Use Become the Biggest Brainrot codes to get size boosts now and then to help you in training.
All New Become the Biggest Brainrot Codes
- Update4 (NEW)
- 5MVisits (NEW)
- Speed (NEW)
- Update3
Expired Become the Biggest Brainrot Codes
- 1MVisits
If you have become tired of brainrot games, then you are not alone. Roblox has so many amazing games you can try out. Take a look at our Roblox game codes list to find many such amazing games. I will recommend you try out Grow a Garden, Blue Lock Rivals, and The Forge.
How to Redeem Become the Biggest Brainrot Codes
Once you have the codes for Become the Biggest Brainrot, you will need to redeem them. Here is how you can do it:
- Launch Become the Biggest Brainrot on Roblox.
- Click on the Shop option on the right side of the screen.
- Scroll down to the codes section.
- Type the active code in the ‘Enter code’ box.
- Click Redeem to redeem the rewards.
How to Get More Become the Biggest Brainrot Codes
If you want to get bigger much faster, then I am sure you want to use as many codes as possible. However, to find more codes for Become the Biggest Brainrot, you will have to wait for them to be released first. But, how will you know when they release? Simply bookmark our page here and visit regularly to find the latest codes.
But, if you want to find the codes yourself, we will help you with that aswell. Join the Biggest Brainrot Roblox community and find the newly added codes in the announcement section.
Why Are My Become the Biggest Brainrot Codes Not Working?
If the Become the Biggest Brainrot codes are not working, then it is either expired or you have entered it incorrectly. The most probable cause would be that it has expired, which would show the Invalid error. But if the code was announced recently, then make sure you have copied it correctly from our list here. If rare cases, you may have to wait for a couple of hours before redeeming a code if it arrives with a new update.
So, these are the codes that will make you the biggest brainrot in the game. How big have you become? Let us know in the comments.
The latest Become the Biggest Brainrot codes are Update4, 5MVisits, and Speed.
If you cannot redeem a code, it may have expired, or you may be inputting it incorrectly.
