Roblox Brain Simulator Codes (May 2021)

Our Roblox Brain Simulator Codes has the most up-to-date list of OP codes that you can redeem for pets and coin boosts. Are you ready to get big brained?

All Brain Simulator Codes List


We'll keep you updated with additional codes once they are released. You should make sure to redeem these as soon as possible because you'll never know when they could expire! All of these codes have been tested on the date that this post was released. If you find one that is expired, please let us know the exact code in the comments below so we can remove it!

Make sure to enter the code exactly as it is listed or it might not work correctly!

Update May 3
  • New code added

Brain Simulator Codes (Working)

Here's a look at all of the working Brain Simulator codes.

  • 2MPLAYS - Redeem code for x2 Gem Boost and x2 Coin Boost (NEW)

  • Poggers4k - Redeem code for x2 Coin Boost

  • Astromech - Redeem code for x2 Gem Boost

  • MillionPlays - Redeem code for x2 Gem Boost

  • Omega - Redeem code for x2 Luck boost

  • BigUps - Redeem code for x2 Coin boost

  • GemBoost - Redeem code for x2 Gem Boost

  • Update3 - Redeem code for a x2 Coin boost

  • CoinBoost - Redeem code for a x2 Coin boost

  • Gold - Redeem code for 1,000 Gems

  • Tofuu - Redeem code for a Tofuu pet and x2 Coins boost

  • Russo - Redeem code for a Russo pet

Brain Simulator Codes (Expired)

These Brain Simulator codes no longer work.

  • EasterPt2 - Redeem code for x2 Easter Eggs Boost

How to Redeem Brain Simulator Codes


It's easy to redeem codes for free rewards in Brain Simulator. Just launch the game and press the Codes button on the left side of the screen. A new window will appear where you can enter each working code into the text box. Press Redeem to receive your free reward.

Game Description & Recent Update


UPDATE 1 Shiny Pet Crafting for X2 their original multipliers! Week 1 OG Badge for you guys who played on the first week of the game's release! New Tofuu Pet Code and x2 Coin Boost! Added 2 Content Creators into our game allowing them to give players badges! Bug/Glitch Fixes

HOW TO PLAY: Train your Big Brain skills by clicking for Brains! Use your STONKS to make Brain go BIG! Sell your Brains for Coins to upgrade your items in the shop! Buy Double Jumps and discover Islands to unlock Epic Pets! Get to the top of the leaderboards to become the best player! ________________________________________________________________________

Thank you for using

Post made by: ReeseCrawford


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