Steal a BrainrotSigma Boy
Sigma Boy is a Legendary-tier Brainrot, inspired by the Italian Brainrot meme culture, depicted as a penguin with a sushi torso, known for its confident sigma male persona.
Legendary brainrot generating $1.3K/second
Approximately every 5 minutes
Identity & Availability
Quick Answers
What is Sigma Boy?
Sigma Boy is a Legendary brainrot in Steal a Brainrot through regular brainrot routes. It generates $1.3K/s and has a listed base cost of $325K.
How do you get Sigma Boy?
Current availability for Sigma Boy: Approximately every 5 minutes
When was Sigma Boy added to Steal a Brainrot?
Sigma Boy has a recorded game-added date of August 2, 2025.
How to Obtain
Available for direct purchase from the conveyor.
Buy from central conveyor when spawned; suitable for mid to late-game players.
Steal from moderately defended bases; use speed boosts and defensive items.
Focus on accumulating cash to purchase or prepare for PvP to steal.
Mutation Income Calculator
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Time Period
View all mutations at hourly rates
| Mutation | Mult | Income |
|---|---|---|
| Default | 1x | $4.7M |
| Gold | 1.25x | $5.9M |
| Diamond | 1.5x | $7.1M |
| Rainbow | 10x | $47.7M |
| Bloodrot | 2x | $9.5M |
| Celestial | 4x | $19.0M |
| Candy | 4x | $19.0M |
| Lava | 6x | $28.6M |
| Galaxy | 6x | $28.6M |
| YinYang | 7.5x | $35.7M |
| Radioactive | 8.5x | $40.5M |
| Cursed | 9x | $42.9M |
| Divine | 10x | $47.7M |
| Cyber | 11x | $52.4M |
| Phantom | 12x | $57.2M |
| Crystal | 13x | $62.0M |
Release Status
Released
None; confirmed as Legendary Brainrot by developers.
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