Steal a Brainrot Cursed Mutation Update: Release Date

Written by: Anish
Published: January 3, 2026
Game: Roblox

The Cursed Mutation update is finally coming to Steal a Brainrot, bringing a dark, evil twist to your favorite brainrots. After the Skibidi event wraps up, developer Sammy is unleashing red, cursed mutations that not only look terrifying—but also boost your income.

If you want to be ready the moment it goes live, this guide covers release date, global times, a live animated countdown, and everything included. This is fully optimized to rank #1 on Bing & Google Discover for time-sensitive update searches.

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🧠 Steal a Brainrot Cursed Mutation Update – Release Date & Time

The update launches globally on Saturday, January 3, 2026, and runs for over a month, giving players plenty of time to collect every cursed item.

🌍 Global Release Schedule

Time ZoneRelease Date & Time
PT (Pacific)	Sat, Jan 3 – 12:00 PM
ET (Eastern)	Sat, Jan 3 – 3:00 PM
CET (Europe)	Sat, Jan 3 – 9:00 PM
IST (India)	Sun, Jan 4 – 1:30 AM
JST (Japan)	Sun, Jan 4 – 5:00 AM
AEDT (Australia)	Sun, Jan 4 – 7:00 AM

🗓️ Event End Date: Friday, February 6, 2026

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⏳ Live Countdown – Cursed Mutation Update

👹 What Is the Cursed Mutation?

The Cursed Mutation is a new transformation that can affect brainrots while they move along the belt. When cursed:

• 🔴 Brainrots turn evil red
• 💰 Income output is boosted
• 👁️ Visual effects make them stand out
• 📊 Progress is tracked in a new index

This mutation focuses more on power and aesthetics, preparing players for the upcoming Duels update.

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🔥 Everything Included in the Cursed Mutation Update

☠️ Cursed Mutation System

• Random chance for brainrots to gain cursed form
• Visual + income bonuses

🎡 Cursed Spin Wheel

• Brand-new spin wheel
• Includes Cursed Secret Block
• Primary source of new gear

🛠️ New Gear

• Obtained via the spin wheel
• Synergizes with cursed brainrots

📖 Cursed Index

• Track all cursed mutations & items
• Completion-focused feature

🏠 Cursed Base Skin

• Cosmetic base skin with dark theme
• Perfect match for cursed setups

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⚠️ Admin Abuse Before Update (Important Tip)

Sammy usually runs Admin Abuse events 30–60 minutes before the update:

• Rare brainrot spawns
• Lucky block drops
• Boosted server luck

👉 Log in early if you want maximum value.

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🎯 Why This Update Matters

Missing this update means missing:

• ❌ Limited cursed items
• ❌ Early income boosts
• ❌ Prep advantages for Duels
• ❌ Exclusive cosmetics

Because the update is smaller and focused, it’s one of the easiest events to 100% complete.

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❓ FAQ – Steal a Brainrot Cursed Mutation

When does the Cursed Mutation update start?
January 3, 2026 (Jan 4, 1:30 AM IST).

When does it end?
February 6, 2026.

Are cursed items permanent?
Yes, all items and mutations stay forever.

Is the update free?
Yes, all players can participate.

Is this update bigger than Duels?
No—this update prepares players for the Duels update next week.

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🚀 Final Verdict

The Steal a Brainrot Cursed Mutation update is a must-play event if you want powerful brainrots, exclusive cosmetics, and an edge before Duels launch. Log in early, spin smart, and build the most cursed setup possible.