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Dunkleosteus, a secret pet in Steal an Egg

Dunkleosteus

Secret

$300M/s

Base income. Source

Availability not checked

Hatch it from the Skeletal Egg.

My Index

Dunkleosteus is a Secret pet in Steal an Egg. It makes $300M/s at base weight. It comes from the Extinction Egg.

Extinction Egg in Steal an Egg

Extinction Egg

Hatch chance
11% (1 in 9.1)Source

Egg Spawns

Glyptodon, a legendary pet in Steal an EggGlyptodon$22.5K/sLegendary39%1 in 2.6Terrorbird, a mythic pet in Steal an EggTerrorbird$110K/sMythic24%1 in 4.2Giant Sloth, a cosmic pet in Steal an EggGiant Sloth$4M/sCosmic18%1 in 5.6Dunkleosteus, a secret pet in Steal an EggDunkleosteus$300M/sSecret11%1 in 9.1Gigantus, an eternal pet in Steal an EggGigantus$1B/sEternal6.5%1 in 15Sabertooth, a divine pet in Steal an EggSabertooth$5B/sDivine0.5%1 in 200

Facts

Base weight
20,000 kgSource

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Common Questions

How do I get Dunkleosteus?

Hatch it from the Skeletal Egg.

How much money does Dunkleosteus make?

Dunkleosteus makes $300M/s at base weight. With Rainbow, it makes $1.05B/s. Heavy pets make more.

How rare is Dunkleosteus?

Dunkleosteus is Secret. It hatches from the Extinction Egg 11% of the time, or 1 in 9.1.

Is Dunkleosteus still in the game?

We have not checked this yet.

More Secret Pets

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Sources

Last checked Oct 31, 2026

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Image: Steal An Egg Wiki (Fandom). Game art by and Collect Rare Pets.