
Biohazard Egg
Hatches one of 5 pets. From Dr. Scramble's Lab (Biohazard banner).
- Best pet
- 1.5B/s
- Where
- Dr. Scramble's Lab
What it hatches
Nuclear MantisEternal · 1.5B/s?
NuceodileSecret · 500M/s?
ToucaxCosmic · 30M/s?
RadcoonCosmic · 2.2M/s?
Toxic RatMythic · 180K/s?"?" means the game does not show the odds for this egg, so nobody outside the developer knows them.
Hatch simulator
The pet odds are not published, so this only rolls the colour (Rainbow about 1 in 100, Golden 4 in 100, Silver 6 in 100). Size is not simulated: its odds are not known.
Income with each colour
| Colour | Nuclear Mantis | How |
|---|---|---|
| None | 1.5B/s | Normal hatch |
| Rainbow x3.5 | 5.25B/s | 1 in 100 hatches |
| Parasite x3 | 4.5B/s | Item or event only |
| Fractured x2.75 | 4.13B/s | Item or event only |
| Scrambled x2.75 | 4.13B/s | Item or event only |
| Golden x2.5 | 3.75B/s | 4 in 100 hatches |
| Spirit Bloom x2.5 | 3.75B/s | Item or event only |
| Bloom x1.25 | 1.88B/s | Item or event only |
| Silver x1.2 | 1.8B/s | 6 in 100 hatches |
Before size. A heavier pet earns more on top: see the mutations guide and its calculator.
How to get the Biohazard Egg
- Hand in eggs at Dr. Scramble's Laboratory on the Biohazard banner.
- Each hand-in fills the banner pity; a full pity guarantees the top reward.
- The pet hatches from the Biohazard Egg.
More Dr. Scramble's Lab eggs
Questions
What does the Biohazard Egg hatch in Steal An Egg?
One of 5 pets: Nuclear Mantis, Nuceodile, Toucax, Radcoon, Toxic Rat. The game does not show the odds for this egg.
Where do you find the Biohazard Egg?
Dr. Scramble's Lab (Biohazard banner).
Can you predict what comes out of the Biohazard Egg?
No. The pet is random and the game does not publish the odds for this egg.
Egg data from the Steal An Egg Fandom wiki and fan guides, written in our own words. Game art belongs to the developer.