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Roblox Game Codes
Big Brain Simulator Codes
3 active codes for September 2026
About Big Brain Simulator
Big Brain Simulator is a popular game on Roblox developed by Fluid Games, first released on April 13, 2020. The game has 197.3 million visits and 1.2 million favorites to date. We currently track 3 active codes and 6 expired codes for Big Brain Simulator. This page was last updated on September 20, 2026.
Active Codes
3How to Redeem Big Brain Simulator Codes
- Launch Big Brain Simulator on Roblox
- Look for the Codes button or Settings menu
- Click on it to open the code redemption window
- Copy a code from this page using the copy button
- Paste the code into the text box and click Redeem
- Enjoy your free rewards!
Code history
The latest changes we tracked for Big Brain Simulator codes.
YTSUBis working againXBOX!is working againMANDIGEELGis working againYTSUBexpiredMANDIGEELGexpiredXBOX!expired
Expired Codes
6
These codes have expired and no longer work. They are kept for reference.
| Code | Reward | Added | Action |
|---|---|---|---|
SPOOKY | 5,000 Coins | ||
10MIL | 5,000 Coins | ||
50MIL | 5,000 Coins | ||
1Mil | 20,000 Coins | ||
release | 5,000 Coins | Expired Feb 3, 2026 | |
IQFORXMAS | Double Coin Boost (20 minutes) | Expired Feb 3, 2026 |
Big Brain Simulator
3 Active Codes
Contents