Cosmic Skeleton Boss is a Secret pet in Steal an Egg. It makes $45M/s at base weight. It comes from the Cosmic Skeleton Boss Egg. Find it in Cosmic, which needs 700M speed. It takes 2h 30m to grow.
Cosmic Skeleton Boss Egg
- Spawn chance
- 0.495856% (1 in 202)Source
Facts
Income Calculator
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Income with Mutations
Rainbow x3.5
Enchanted x3
Parasite x3
Fractured x2.75
Nitro x2.75
Scrambled x2.75Common Questions
How do I get Cosmic Skeleton Boss?
Steal the egg in Cosmic. Look in Cosmic.
How much money does Cosmic Skeleton Boss make?
Cosmic Skeleton Boss makes $45M/s at base weight. With Rainbow, it makes $158M/s. Heavy pets make more.
How rare is Cosmic Skeleton Boss?
Cosmic Skeleton Boss is Secret.
Is Cosmic Skeleton Boss still in the game?
Yes. You can get it now.
More Secret Pets
Sources
Last checked Oct 31, 2026
Report a Problem- Steal An Egg Wiki pet dataSource. Checked Oct 31, 2026.
- Steal An Egg Wiki income dataSource. Checked Oct 31, 2026.
- Steal An Egg Wiki: Cosmic Skeleton BossSource. Checked Oct 31, 2026.
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Image: Steal An Egg Wiki (Fandom). Game art by and Collect Rare Pets.