Cosmic Skeleton Boss
Quick stats
Base income and availability.
How to get
Where this pet comes from.
Hatch Cosmic Nest Egg in the Cosmic biome — you need 700,000,000 Speed to enter (train on your treadmill).
Eggs spawn at biome nests and reset every in-game night (4:30). Larger, more exotic egg variants have better odds at rare pets. Watch out for the Dragon guarding the area.
Egg drops
Other pets from Cosmic Nest Egg.
| Pet | Rarity | Income |
|---|---|---|
| Cosmic Skeleton Boss | Unknown | — |
| Centapede | Unknown | — |
| Cosmic Dragon | Unknown | — |
| Cosmic Gecko | Unknown | — |
| Cosmic Gorilla | Unknown | — |
| Eternal Lunar Dragon | Unknown | — |
| La Vacca Saturno Saturnita | Unknown | — |
| Unicorn | Unknown | — |
Exact drop rates are not published for any Steal An Egg egg — see the egg explorer.
Sources
Cross-checked media sources for this pet.
ign-all-pets · beebomVerified 2026-08-21 — see the source registry
Related
FAQ
How much income does Cosmic Skeleton Boss give in Steal An Egg?
Cosmic Skeleton Boss's exact income has not been verified yet. It is confirmed to exist in Cosmic, and its income will be published as soon as two sources agree.
How do you get Cosmic Skeleton Boss?
Hatch Cosmic Nest Egg in the Cosmic biome (requires 700,000,000 Speed). Eggs spawn at nests and reset every in-game night (4.5 minutes).
What rarity is Cosmic Skeleton Boss?
Cosmic Skeleton Boss's rarity is not yet confirmed from cross-checked sources.