All Mutations in Steal a Brainrot (October 2025 Update)

???? What Are Mutations in Steal a Brainrot?

Mutations are special upgrades in Steal a Brainrot (Roblox) that boost your Brainrot’s cash generation without increasing their cost. Just like Grow a Garden mutations, these appear during random live events—like the Rainbow Machine or admin-triggered mutation drops.

You can also buy Server Luck to boost mutation spawn rates when they appear on the conveyor belt.

???? All Mutations in Steal a Brainrot (October 2025)

Here’s the full list of active mutations and their income multipliers:

???? How to Get Each Mutation

• Gold: Basic boost; common for new players.
• Diamond: 50% income upgrade; easy to find.
• Candy/Bubblegum: Huge 4x multiplier, great for mid-tier Brainrots.
• Lava: New 6x boost added in 2025 update.
• Glitch: Triggered when a Brainrot falls into holes.
• Galaxy: Available only during Space Events (every 3 hours).
• Yin Yang: Appears during the Yin Yang Event.
• Strawberry: Requires a Strawberry Elephant spawn in your server.
• Rainbow: Rarest mutation with 10x multiplier — best on Secret Brainrots.

????️ Legacy Mutations (No Longer Obtainable)

These were removed in past updates, but older players may still have them equipped.

???? The Index Collection System

The Index helps you track all collected mutations. Completing each index gives a permanent +0.5x income boost, and a custom base color to show off your progress (e.g., Gold base for Gold index).

Collecting every mutation not only boosts your profits but also transforms your base visually — showing everyone your dedication to Brainrot mastery.

???? FAQ – Steal a Brainrot Mutations

❓What are mutations in Steal a Brainrot?

Mutations are special effects that increase your Brainrot’s income per second without raising their cost. They appear randomly during events or updates.

❓How do you get mutations in Steal a Brainrot?

You can get mutations when admins trigger live events or when the Rainbow Machine is active. Buying Server Luck can also increase your chances of getting one.

❓What is the rarest mutation in Steal a Brainrot?

The Rainbow Mutation is the rarest and most powerful one, giving a massive 10x multiplier to income.

❓Can I still get Celestial or Bloodmoon mutations?

No, those are legacy mutations that were removed in earlier updates. Players who had them before can still keep them.

❓What does the Index System do?

The Index lets you track collected Brainrots and gives a permanent +0.5x income bonus for each mutation type you complete.

???? Final Tip

Focus on mutation events, watch for La Vacca rituals, and keep playing during admin-spawn sessions to grab those rare Rainbow or Strawberry variants.

Good luck evolving your Brainrots!