All Brainrot Mutations in Steal a Brainrot 2026
Complete guide to mutations including Rainbow (x10), Diamond (x1.5), Gold (x1.25), and limited event mutations.
Brainrot Mutations
Mutations permanently boost your brainrot's income. Rainbow (x10) is the best, but limited event mutations can reach up to x8.5!
Permanent Mutations
Always available in the game
Rainbow
Makes the mutated brainrot cycle between RGB colours. The best mutation in the game!
Diamond
Turns the mutated brainrot cyan/diamond.
Gold
Turns the mutated brainrot yellow/gold.
Default
The brainrot retains its original appearance.
Limited Event Mutations
Only available during special events
Radioactive
Turns the mutated brainrot neon green with a hatch texture. Available during Radioactive events.
Yin Yang
Turns the mutated brainrot black and white. Extremely rare, only from special events.
Galaxy
Turns the mutated brainrot neon purple. Only available during Galaxy events.
Lava
Turns the mutated brainrot neon orange. Only available during Lava events.
Candy
Turns the mutated brainrot pink. Only available during Candy events.
Bloodrot
Turns the mutated brainrot dark red. Only available during special events.
How Mutation Multipliers Work
Mutations multiply your brainrot's base income permanently. For example, if you have a Bombardiro Crocodilo that generates $2,500/sec, a Rainbow mutation would boost it to $25,000/sec (x10)!
Mutation Rarity
- Rainbow (x10) - Extremely rare, the ultimate mutation
- Radioactive (x8.5) - Limited event, neon green with hatch texture
- Yin Yang (x7.5) - Very rare limited event mutation
- Diamond (x1.5) - Common permanent mutation
- Gold (x1.25) - Most common permanent mutation
Tips for Finding Mutations
Mutations spawn naturally on brainrots with a very low chance. Higher rarity brainrots tend to have better mutation odds. During special events, unique limited mutations become available - these are often highly sought after by collectors!