Big Brain Simulator lets you earn IQ points by reading books and trading them for coins to unlock better upgrades. Codes in the game give you extra coins or boosts to help you get ahead faster. Using Big Brain Simulator codes is a smart way to grab free coins that let you buy rare books or expand your brain capacity without waiting too long. These codes refresh from time to time, so keeping an eye on active ones can save you a lot of grinding.
Checked and verified on June 28, 2026 (Today)
YTSUBThis code gives you 2,500 Coins.
MANDIGEELGThis code gives you 2,500 Coins.
XBOX!This code gives you 5,000 Coins.
How to Redeem Big Brain Simulator Codes
There are no special requirements to redeem codes in Big Brain Simulator. Just follow these simple steps.
- Launch Big Brain Simulator.
- Click the YouTube icon at the top left of the screen.
- Type or paste your code into the box that appears.
- Press the Redeem button to claim your reward.
- Enjoy your free coins or boosts immediately.
Check out these genre-similar Bee Simulator codes and Titan Fishing codes for more immersive simulation experiences.
These codes are expired and no longer work.
Why Codes Might Not Work
Codes may fail if they have expired or if there is a typo when entering them. Always check for exact capitalization and spacing. Occasionally, codes are limited to certain events or time frames, so using them after expiration will not work.
What Rewards You Normally Get?
Codes in Big Brain Simulator mostly grant coins or temporary boosts that help you progress.
| Reward Type | Description |
|---|---|
| Coins | Currency to buy better books and upgrades in the game. |
| Double Coin Boost | A timed boost that doubles coin earnings for 20 minutes. |
Where to Find New Big Brain Simulator Codes
New codes for Big Brain Simulator are usually shared by the developer on their official Discord server, especially in the #codes channel. Codes can also appear during special events or updates. The developer’s socials listed below are good places to watch for fresh codes and announcements.
We keep track of these sources and update this page as soon as new codes drop. Bookmark this page or follow our channels to get the codes right away.
