Steal a Brainrot Mutations
16 mutations that transform your brainrots
What are Mutations?
Each brainrot can have one mutation that multiplies income. Rarer mutations usually provide bigger bonuses.
| Icon | Name⇅ | Multiplier⇅ | Spawn %⇅ | Type⇅ |
|---|---|---|---|---|
 | Neon | 0x | — | Limited |
 | Phantom | 12x | — | Limited |
 | Disco | 11x | — | Limited |
 | Cyber | 11x | — | Limited |
 | Rainbow | 10x | 1%Rare | Limited |
 | Divine | 10x | — | Limited |
 | Cursed | 9x | — | Limited |
 | Radioactive | 8.5x | — | Limited |
 | Yin Yang | 7.5x | — | Limited |
 | Galaxy | 7x | — | Limited |
 | Lava | 6x | — | Limited |
 | Candy | 4x | — | Limited |
 | Bloodrot | 2x | — | Limited |
 | Diamond | 1.5x | 5% | Limited |
 | Gold | 1.25x | 10% | Limited |
 | Default | 1x | — | Limited |
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Frequently Asked Questions — Steal a Brainrot Mutations
›What is the best mutation in Steal a Brainrot?
Cyber is the new best mutation as of April 18, 2026, with an 11× income multiplier — the highest in the game. Rainbow and Divine sit in second tier at 10×.
›How do mutations stack with traits?
Mutations and traits stack multiplicatively. A Cyber-mutated brainrot with the Galactic trait multiplies base income by mutation × trait, plus any rebirth and synergy bonuses.
›Can a brainrot have more than one mutation?
No. Each brainrot holds exactly one mutation slot. Rerolling with a Mutation Spinner overwrites the existing mutation. Always plan rerolls carefully because top mutations are very rare.
›How do you get rare mutations like Bloodrot or Cyber?
Both Bloodrot and Cyber roll from standard Mutation Spinners and Gold Lucky Blocks. Roll rate is roughly 1 in 8,000 for each. Spinning a higher-rarity brainrot does increase the chance slightly because higher-rarity brainrots roll across the full mutation pool.