Mutations
| Variant | Exist Count | |
|---|---|---|
| Normal | — | — |
| Gold | — | — |
| Diamond | — | — |
| Rainbow | — | — |
| Radioactive | — | — |
| Yin Yang | — | — |
| Candy | — | — |
| Galaxy | — | — |
| Lava | — | — |
| Bloodrot | — | — |
| Cursed | — | — |
| Cyber | — | — |
| Divine | — | — |
Trivia
Sigma Boy is one of the only Brainrots with an English name, along with Tim Cheese, Strawberry Elephant as main example.
Sigma Boy has a variant called “Sigma Girl”.
Sigma Boy FAQ
Is Sigma Boy rare?
Sigma Boy is a Legendary tier item, making it one of the rarer Brainrots in the game. Community trading data shows an average value of around 1,350 coins.
What is the best mutation for Sigma Boy?
Sigma Boy has 12 known mutation(s). Check the Variants table above for exist counts per mutation to identify the rarest option.
Is Sigma Boy worth trading for?
Sigma Boy is Legendary tier and typically holds strong trade value, especially for mutated variants. Community trading data shows an average value of around 1,350 coins.
About Sigma Boy
Sigma Boy is an animal-food hybrid brainrot. It consists of a penguin related with sushi. Its appearence consists of a penguin. It can be seen having its torso replaced by an oversized sushi, while having seaweed covering the middle. It can be seen having a Salmon Nigiri on top of its head.
Sigma Boy is a legendary-tier brainrot in Steal a Brainrot, the Roblox collection-and-trading game where every pet generates passive income and can be upgraded with mutations and traits. At base, Sigma Boy earns $1.4K/s and costs $325.0K from the in-game shop — those numbers are the floor, before any multiplier from mutations or trait stacking is applied.
Rarity and Value Signals
- Sigma Boy is listed as Legendary rarity in Steal a Brainrot.
Best Mutations and Traits
- This page tracks 12 mutation option(s) for Sigma Boy.
Should You Trade for Sigma Boy?
- Sigma Boy trade interest depends on its Legendary rarity, current supply, demand, and variant data.
Availability and Trade Notes
- No confirmed acquisition method is stored yet, so this page avoids guessing how to obtain Sigma Boy.
- Legendary rarity is one of the main signals to check before judging whether Sigma Boy is common, collectible, or trade-sensitive.
- Mutation data is available, so compare variant supply instead of judging only the base item.
- rot.rocks currently records demand NORMAL and trend STABLE for this item.
- The base income signal is 1350, which can matter when players compare collecting value against trading value.