Guest 666
Secret·obtainable
- Base income
- 66.6M/s
- Mutation
- Default · 1x
- In-game cost
- $15.6B
Pick a mutation — everything updates
How much is Guest 666 worth?
The current value of Guest 666 in Steal a Brainrot is $4.78 as of Aug 13, 2026, based on live DropMarket marketplace data. It is a Secret Brainrot with a base income of 66.6M/s.
Estimated from recent comparable marketplace listings and completed sales when available. Extreme prices, bundles, and unclear variants are excluded.
- Cheapest active listing
- $4.49
- Current market price
- $4.78
- Quick-sale estimate
- Insufficient data
- Patient-sale estimate
- Insufficient data
About Guest 666
Guest 666 is a Secret Brainrot with a base income of 66.6M/s. Its current obtainability status is obtainable. Mutation income estimates use the verified base income and each mutation's multiplier unless a verified variant-specific override exists.
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Guest 666 — questions
Guest 666 is a Secret Brainrot that is currently obtainable in Steal a Brainrot, with an in-game cost of about $15.6B. It earns 66.6M/s at base income. You can also buy Guest 666 from verified sellers on DropMarket instead of grinding for it.