🧠Steal a Brainrot
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Mutations & Traits in Steal a Brainrot

Master the multiplier system and unlock powerful abilities. Learn about mutations, traits, and how to maximize your income in Steal a Brainrot.

Multiplier System Overview

Mutations

Mutations are mutually exclusive - you can only have one mutation type active at a time. They provide base multipliers to your brainrot's income.

• Common Mutations: Always available (Normal, Gold, Diamond, etc.)
• Event Mutations: Special events only (Bloodrot, Candy, Lava)
• Rainbow: Highest multiplier (10x)

Traits

Traits can be combined - you can have multiple traits active simultaneously. They provide additional multipliers and special abilities.

• Event Traits: Admin-triggered events
• Ritual Traits: Special player actions
• Machine Traits: Interactive objects

Common Mutations

Always available mutations that can be obtained through normal gameplay

Default

1x
Base mutation with no multiplier
Always available
Collect all the Default Brainrots for +0.5x Base Multi and a Default Base

Gold

1.25x
Gold mutation with 1.25x multiplier
Always available
Collect all the Gold Brainrots for +0.5x Base Multi and a Gold Base

Diamond

1.5x
Diamond mutation with 1.5x multiplier
Always available
Collect all the Diamond Brainrots for +0.5x Base Multi and a Diamond Base

Rainbow

10x
Rainbow mutation with 10x multiplier
Always available
Collect all the Rainbow Brainrots for +0.5x Base Multi and a Rainbow Base

Event Mutations

Special mutations only available during specific events or spawned by admins

Bloodrot

2x
Bloodrot mutation with 2x multiplier. Obtained during Bloodmoon Event.
Bloodmoon Event only or spawned by admin
Collect all the Bloodrot Brainrots for +0.5x Base Multi and a Bloodrot Base

Celestial

4x
Celestial mutation with 4x multiplier. Obtained during special celestial events.
Celestial Event only or spawned by admin
Collect all the Celestial Brainrots for +0.5x Base Multi and a Celestial Base

Candy

4x
Candy mutation with 4x multiplier. Obtained during Candy Mutation Event.
Candy Mutation Event only or spawned by admin
Collect all the Candy Brainrots for +0.5x Base Multi and a Candy Base

Lava

6x
Lava mutation with 6x multiplier. Obtained during LAVA MUTATION Event.
LAVA MUTATION Event only or spawned by admin
Collect all the Lava Brainrots for +0.5x Base Multi and a Lava Base

Galaxy

6x
Galaxy mutation with 6x multiplier. Space event occurs hourly on weekends and every 3 hours on weekdays, granting Brainrots a galaxy mutation. Features Galaxy Wheel with new space gear!
Space Event (hourly on weekends, every 3 hours on weekdays) or spawned by admin
Collect all the Galaxy Brainrots for +0.5x Base Multi and a Galaxy Base

Steal a Brainrot Traits

Taco

Taco

3x
Raining Tacos trait with 3x multiplier. The song 'It's Raining Tacos' plays and tacos rain on the map. A cannon appears above the conveyor entrance and occasionally shoots a taco onto a brainrot's head.
Taco on head, taco symbol
Admin event only - Raining Tacos event
Galactic

Galactic

4x
Galactic trait with 4x multiplier. Map becomes galaxy themed. An asteroid will occasionally strike a brainrot and give it a purple aura. If 3 people each steal a La Vacca Saturno Saturnita and form a triangle while holding them, a Las Vaquitas Saturnitas with this trait will spawn.
Purple aura, asteroid symbol
La Vacca ritual (meteor shower) or special triangle formation
Explosive

Explosive

4x
Explosive trait with 4x multiplier. Bombardiro Crocodilos fly over the map, dropping explosive Svinina Bombardinos. Brainrots that get hit will get the trait. The bombs also knock back players. If 3 people each steal a Bombardiro Crocodilo and line up in a straight line at the start of the red conveyor, a Los Crocodillitos will spawn.
Bombardiro Crocodilo symbol
Bombardiro Crocodilo event or special line formation
Bubblegum

Bubblegum

4x
Bubblegum trait with 4x multiplier. Activated after carrying stolen Candy brainrots to the Bubblegum Machine (1 minute per brainrot) or with 129 Robux for 10 minutes. Once activated, a brainrot will occasionally stop inside the machine and get a bubblegum on its head.
Bubblegum on head, bubblegum symbol
Bubblegum Machine activation
Zombie

Zombie

5x
Zombie trait with 5x multiplier. Little Tung Tung Tung Sahurs invade the map and occasionally attack brainrots, applying the trait. They can also attack players. The affected brainrot gets glowing red eyes.
Glowing red eyes, Tung Tung Tung Sahur symbol
Admin event only - Tung Tung Attack event
Glitched

Glitched

5x
Glitched trait with 5x multiplier. Map will turn black and glitch-themed. A brainrot will occasionally fall into a glitch hole, getting a glitch-like aura.
Glitch-like aura, glitch symbol
Admin event only - Glitch event
Claws

Claws

5x
Claws trait with 5x multiplier. The Crab Rave song plays, the map becomes beach themed and dancing crabs appear which occasionally pinch brainrots, applying the trait. They can also attack players. The affected brainrot gets crab claws/pincers.
Crab claws/pincers, crab claw symbol
Admin event only - Crab Rave event
Fireworks

Fireworks

6x
Fireworks trait with 6x multiplier. The map is lined with firework launchers which shoot fireworks. Brainrots will get the trait when they get hit by fireworks. The affected brainrot gets a firework aura.
Firework aura, three sparkles symbol
Admin event only - 4th of July event
Nyan

Nyan

6x
Nyan trait with 6x multiplier. Map will go dark and get circled by Nyan Cats which occasionally hit a brainrot, applying the trait. Affected brainrot has a rainbow trail (only visible when brainrot is on the conveyor or being stolen).
Rainbow trail, Nyan Cat symbol
Admin event only - Nyan Cats event
Fire

Fire

6x
Fire trait with 6x multiplier. A sun appears above the map and shoots solar flares which move along the map, potentially hitting a brainrot. They can also knock back players. The affected brainrot is on fire.
Brainrot on fire, fire symbol
Admin event only
Wet

Wet

2.5x
Wet trait with 2.5x multiplier. Rain falls from the sky and hits brainrots, applying the trait. The affected brainrot gets a rain aura.
Rain aura, rain symbol
Admin event only
Snowy

Snowy

3x
Snowy trait with 3x multiplier. Snow falls from the sky and covers the map. Brainrots that get hit by snowflakes receive the trait. The affected brainrot gets a snowy aura.
Snowy aura, snowflake symbol
Admin event only
Cometstruck

Cometstruck

3.5x
Cometstruck trait with 3.5x multiplier. Stars fall from the sky and hit brainrots, applying the trait. The affected brainrot gets a starry aura.
Starry aura, star symbol
Admin event only
Disco

Disco

5x
Disco trait with 5x multiplier. A concert event occurs on the map, and brainrots that attend get the trait. The affected brainrot gets a musical note aura.
Musical note aura, concert symbol
Admin event only
Shark fin

Shark fin

4x
Shark fin trait with 4x multiplier. Obtained when a player is hit by a shark during the Orcalero Ritual.
Shark fin aura, electric arcs
Orcalero Ritual
TenB

TenB

4x
10B VISITS EVENT. This event will run when we update to celebrate 10B Visits. Brainrots collected during this event will have a TenB trait.
10B emblem, celebratory aura
10B Visits Event only
Matteo hat

Matteo hat

4.5x
Matteo hat trait with 4.5x multiplier. Obtained when a player is randomly struck by lightning during the Matteo Ritual. The ritual spawns Los Matteos and lightning may grant this trait to any brainrot.
Electric arcs surrounding, top hat symbol
Matteo Ritual (lightning strike)
Brazil Flag

Brazil Flag

6x
Brazil Flag trait with 6x multiplier. Obtained when a brainrot is hit by stage spotlight during the Brazil Event. The event creates a stage with lighting effects that can grant this trait to brainrots.
Sparkles and Brazilian flag surrounding, Brazil flag symbol
Brazil Event (spotlight hit)
Sleep

Sleep

0.5x
Sleep trait with 0.6x multiplier. When Jando's sleeping in the middle of the conveyor, all brainrots on the map have a chance to receive this trait. The sleep effect reduces their income generation.
Sleep aura, Zzz symbol
ADMIN WAR event only or spawned by admin
UFO

UFO

3x
UFO trait with 3x multiplier. The sky will turn galaxy-themed and UFOs will appear. If Brainrots are hit by the UFOs, they will get the UFO Trait. A UFO will spawn on top of the Brainrot with the trait's head, similarly to the Matteo Hat Trait and the 10B Trait.
UFO symbol above head
Special event or spawned by admin
Mygame43

Mygame43

6x
Mygame43 trait with 6x multiplier. The sky will turn galaxy-themed and mygame43 will appear behind the Brainrot Spawn. If Lightning strikes a brainrot it will be given the Lightning Trait. Effect: A flying unicorn flies around.
Flying unicorn effect, lightning symbol
Special event or spawned by admin
Spider

Spider

4.5x
Spider trait with 4x multiplier. A spider will crawl on the brainrot's body, giving it a creepy arachnid appearance. The spider occasionally moves around on the brainrot.
Spider crawling on brainrot, spider symbol
Spyderini Ritual
Strawberry

Strawberry

8x
Strawberry trait with 8x multiplier - an OG mutation! When Strawberry Elephant OG appears, it triggers a strawberry rain event that randomly grants this trait to brainrots across the map. When obtained, the brainrot's appearance transforms into a strawberry-red color with a green calyx (sepals) on top, giving it a fruity and vibrant appearance.
Strawberry-red color, green calyx on top
Strawberry Elephant OG spawn event or spawned by admin
Skull

Skull

4x
Skull trait with 4x multiplier. After the Extinct event begins, a ribcage-like structure generates near the end of the conveyor belt. When a brainrot passes by, it has a chance to obtain this skull trait. Once obtained, a ribcage appears on the brainrot's chest.
Ribcage appears on chest, skull symbol
Extinct event - generated near the end of conveyor belt as a ribcage-like structure
Graffiti

Graffiti

6x
Graffiti trait with 6x multiplier. Brainrots with this trait will leave colorful graffiti on the ground as they move. After completing the Chicleteira Ritual, multiple Chicleteira Bicicleteira figures holding spray paint will appear standing on both sides of the conveyor belt and randomly spray paint on brainrots passing by, giving them a chance to obtain this trait.
Colorful graffiti appears on ground while moving, graffiti symbol
Chicleteira Ritual - spray paint from multiple Chicleteira Bicicleteira standing on both sides of the conveyor belt

How Multipliers Work

Multiplier Calculation

The total multiplier is calculated using this formula:

Total Multiplier = Mutation Multiplier + ∑(Trait Multipliers) - (N-1)

Where N is the total number of multipliers (1 mutation + number of traits)

Example 1:

Gold Mutation (1.25x) + Taco Trait (3x)
= 1.25 + 3 - 1 = 3.25x total multiplier

Example 2:

Lava Mutation (6x) + Galactic (4x) + Fireworks (6x)
= 6 + 4 + 6 - 2 = 14x total multiplier

Tips & Strategy

For Mutations

  • • Focus on event mutations for higher multipliers
  • • Normal mutation is always available as a fallback
  • • Higher rarity mutations provide better income

For Traits

  • • Combine multiple traits for maximum effect
  • • Participate in admin events for rare traits
  • • Use the calculator to plan your combinations