Legendary
Sigma Boy
A Legendary brainrot. Base values below; mutations and rebirths multiply them.
Cost
$325K
Income
$1.3K/s
Payback
4m 10s
Legendary rank
#7 / 23
Income with every mutation
Default ×1$1.3K/s
Gold ×1.25$1.6K/s
Diamond ×1.5$1.9K/s
Bloodrot ×2$2.6K/s
Candy ×4$5.2K/s
Lava ×6$7.8K/s
Galaxy ×7$9.1K/s
Yin Yang ×7.5$9.8K/s
Radioactive ×8.5$11.1K/s
Cursed ×9$11.7K/s
Rainbow ×10$13K/s
Divine ×10$13K/s
Cyber ×11$14.3K/s
Phantom ×12$15.6K/s
Crystal ×13$16.9K/s
Eclipse ×14$18.2K/s
Similar price, best payback
FAQ
How much does Sigma Boy cost in Steal a Brainrot?
Sigma Boy costs $325K on the red carpet.
How much money does Sigma Boy make?
$1.3K per second base, which is $4.7M per hour. A Rainbow Sigma Boy makes $13K/s.
Is Sigma Boy worth buying?
It pays back its price in 4m 10s of base income and ranks #7 of 23 Legendary brainrots by income.
💡 Did you know?
A Rainbow mutation multiplies income by ×10, and it can appear on any carpet spawn (about 1%).
🗓️ Updates
No update announced yet. We check daily.
Data last checked 2026-11-03.
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