Big Brain Simulator🧠

by Fluid Games ✓

Simulation Incremental Simulator Free

🎫 10 Passes 🏅 6 Badges

Play on Roblox

83.0% liked it (110 Thousand votes)

🟢

130

Playing Now

👁️

200 Million

Total Visits

👍

83.0%

Rating

⭐

1.2 Million

Favorites

🎫

Game Passes

🏅

Badges

🛍️

Dev Products

About This Game

🧠 Welcome to Big Brain Simulator! 🧠

👍 Thumbs up the game for more updates 👍

Newest update:
Hats 🎩 Find and wear rare hats to earn passive IQ, also while offline!

🧠 Read books, boost your IQ, rule Roblox! 🚀
🎩 Jump higher with more IQ! 🌟
🌌 Find floating islands and planets! 🌍
📚 Collect rare books, gigantic brain! 😁

✨ Premium users get 20% more IQ and Coins! Stonks

Don't forget to join the Fluid Games group, and our community server. See ya there! :D

Made by HLVM

community social brain training collecting exploration game passes incremental offline progress simulation fantasy

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Game Passes (10)

🎫

Speed

Makes you run even faster!

99 R$

🎫

Balloon

Equip a balloon and fall slower!

99 R$

🎫

+150 Hat Storage

Adds 150 hat storage for a total of 250 hats 🎩

149 R$

🎫

Lucky

Better luck with all hat boxes! [PERMANENT & STACKS]

250 R$

🎫

Double Jump

Jump twice! Very useful

299 R$

🎫

+1 Hat Equip

Equip 1 more hat for a total of 3 hats at once 🎩➕

350 R$

🎫

Instant Reading

Read books faster, and get iq faster!

549 R$

🎫

Ultra Lucky!

Much better luck with all hat boxes! [PERMANENT & STACKS]

700 R$

🎫

Infinite Brain Capacity

Unlock infinite brain capacity, and never upgrade again!

745 R$

🎫

2x Coins

Doubles your coins, every time you sell

1,200 R$

Badges (6)

🛡️

Big Brain

Welcome to Big Brain Simulator! I hope you have fun here :)

52 Million awarded 4.7 Thousand today 1.0%

🛡️

First Island

Discover your first island, by jumping on the clouds!

15 Million awarded 1.5 Thousand today 0.4%

🛡️

All The Colors

Unlock all the colored books! You are a true book collector

8.6 Million awarded 970 today 0.3%

🛡️

Outer Space

Reach outer space! That is a looooong way

6 Million awarded 550 today 0.2%

🛡️

Mars

Reach Mars! That's insane! Currently the last planet😎

1.2 Million awarded 370 today 0.1%

🛡️

Shiny Book

Unlock the glowing book!

100 Thousand awarded 57 today 0.0%

Game Details

Max Players: 10
Created: April 13, 2020
Last Updated: January 19, 2026
Avatar Type: MorphToR15
Votes: 89 Thousand up / 18 Thousand down
Universe ID: 1671262904
Root Place ID: 4893679160
Sub-Genre: Incremental Simulator
Copying Allowed: No
Data Updated: February 28, 2026

Creator

Fluid Games ✓

Group

0 games 0 visits

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