Sigma Boy
Normal incomeCost 325K
Details
- Cost
- 325K
- How to get
- Red Carpet
- Rarity
- Legendary 4/8
- Category
- Brainrots
- Pays back in
- 4 min #355 of 548
- Last updated
- Today
- Source
- Steal a Brainrot Wiki · Sigma Boy
💡 Sigma Boy costs 325K and earns 1.35K/s, so it earns back its cost in 4 min.
🔥 Steal a Brainrot players are up +102% over 29h. More players usually means more demand.
Income history
- Change · All
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- High
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- Now
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Value changes
No changes since we started tracking on Sep 28, 2026. When Steal a Brainrot buffs or nerfs Sigma Boy, it shows up here.
What is Sigma Boy in Steal a Brainrot?
Sigma Boy is a Legendary brainrot in Steal a Brainrot, from Red Carpet. Its income is 1.35K/s, 488th of 550 brainrots we track and 8th among 26 Legendary ones.
- Rarity
- Legendary
- Brainrot
- Brainrots
- Income
- 1.35K/s
- Rank
- #488 of 550
- Cost
- 325K
- How to get
- Red Carpet
How to get Sigma Boy
Get it from: Red Carpet.
Related: 
Noobini Pizzanini
Lirilì Larilà
Tim Cheese
Fluriflura
Where this comes from
Built from our Steal a Brainrot data, checked 2026-10-06, using the sources below.
- Steal a Brainrot Wiki · Sigma Boy
- Steal a Brainrot Wiki - Brainrots (list, rev 2026-09-26)
- Steal a Brainrot Wiki - individual brainrot pages (Brainrot Infobox cost/income/rarity), fetched via MediaWiki API 2026-09-28
- Steal a Brainrot Wiki - Rarities (rev 2026-09-20)
- Item images: stealabrainrot.fandom.com (fan wiki). Game art belongs to the developer.
Steal a Brainrot Wiki · Sigma Boy is licensed CC BY-SA 3.0. Game content and images belong to the game's developer. We are not affiliated with Roblox or the developer.
How Sigma Boy compares
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All Steal a Brainrot values →
- Cost
- 325K
- How to get
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- How to get
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- How to get
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- How to get
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- Cost
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- How to get
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Questions about Sigma Boy
How much is Sigma Boy worth in Steal a Brainrot?
Sigma Boy has a income of 1.35K/s, which ranks it #488 of 553 in Steal a Brainrot. Gold 1.25x: 1.69K/s, Diamond 1.5x: 2.02K/s.
How rare is Sigma Boy?
Sigma Boy is a Legendary brainrot, tier 4 of 8.
Is Chocco Bunny better than Sigma Boy?
By income, yes: Chocco Bunny is 1.4K/s, about 1.0 times Sigma Boy's 1.35K/s.
How do you get Sigma Boy in Steal a Brainrot?
Red Carpet: Get it from: Red Carpet.
Cost and income from each brainrot’s page on the Steal a Brainrot wiki, checked 2026-09-28. Where the wiki contradicts itself we note it on the brainrot’s page.