Rainbow
Steal a Brainrot mutation × 10 — guide updated for April 2026.
Multiplier
× 10
Roll rate
1%
Type
permanent
About this mutation
Rainbow is a mutation with a ×10 multiplier in Steal a Brainrot. It is applied via Mutation Spinners — higher multipliers correlate with rarer rolls in the game's loot tables.
Popular brainrots to apply this mutation to
Frequently Asked Questions
▸What is the Rainbow mutation multiplier?
The Rainbow mutation multiplies a brainrot's base income by ×10.
▸How rare is the Rainbow mutation?
Roll rate is approximately 1% per Mutation Spinner attempt.
▸How do you get the Rainbow mutation?
Mutations are applied via Mutation Spinners on any brainrot. Gold Lucky Blocks can also produce mutations, including Rainbow.