Build a Brainrot Defense

by Last Line Of Defense ✓

Simulation Tycoon Free

🏅 1 Badges

Play on Roblox

97.4% liked it (45.595 votes)

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👁️ Visits

6.251.874

👍 Rating

97.4%

⭐ Favorites

627.051

About This Game

🏰 Welcome to Build a Brainrot Defense!

Place your brainrots, and defend your base from waves of bizarre enemies! 🧟

🛠️ Hatch unique brainrots from the shop!
💥 Face enemies and defend through crazy biomes!
🚀 Earn cash every wave to upgrade your brainrots!
⚡ Unlock rare brainrots of different sizes!

⏰ REMEMBER, your brainrots defend & level up offline! 💤

casual multiplayer offline progression tycoon upgrades bizarre setting unique characters simulation waves of enemies defense

Badges (1)

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3.097.472 awarded 33 today 0.5%

Game Details

Max Players: 6
Created: July 19, 2025
Last Updated: February 18, 2026
Avatar Type: MorphToR6
Votes: 44.399 up / 1.196 down
Universe ID: 8204521307
Root Place ID: 90452734633079
Sub-Genre: Tycoon
Copying Allowed: No
Data Updated: February 28, 2026

Creator

Last Line Of Defense ✓

Group

2 games 6.923.236 visits

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