Steal An Egg Mutations, Sizes and Rarities

Updated Oct 13, 2026

A pet's income is its base income multiplied by its mutation and its size. A Golden Giant earns 2.5 × 3 = 7.5 times its base income, and a Rainbow Huge earns 17.5 times.

Check a pet's mutation and size before you sell it.

New to the game? Start with the Steal An Egg beginner guide.

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Steal An Egg Mutation Multipliers

Mutation	Income	How you get it
Silver	×1.2	Random roll when an egg spawns
Bloom	×1.25	Sakura Incubator (event)
Golden	×2.5	Random roll when an egg spawns
Spirit Bloom	×2.5	Sakura Incubator (event, rarer roll)
Fractured	×2.75	Mutation consumable (10% chance)
Scrambled	×2.75	Dr. Scramble's shop (10% chance)
Parasite	×3	Parasite Egg (feeding event)
Rainbow	×3.5	Random roll when an egg spawns

Pet Sizes

Normal ×1
Giant ×3
Huge ×5

Rarities, Lowest to Highest

Common
Uncommon
Rare
Epic
Legendary
Mythic
Cosmic
Secret
Eternal
Divine
Monster (special)
Event (special)

Income = base income × mutation × size. Values come from community wikis checked October 13, 2026; we list only mutations that at least two wikis agree on. Wikis count between 106 and 207 pets depending on which update they track, so we don't give a total; the in-game Index shows the current list.

Frequently Asked Questions

What is the best mutation in Steal An Egg?

Among mutations that can roll on any egg, Rainbow is the best at ×3.5, ahead of Golden (×2.5) and Silver (×1.2). Event mutations such as Parasite (×3) depend on what is running in the game.

What do Giant and Huge mean in Steal An Egg?

They are pet sizes. Community wikis list Giant as ×3 and Huge as ×5 income, on top of any mutation. A pet's weight is shown on its card.

How many pets are in Steal An Egg?

It depends on the update. Community wikis count anywhere from 106 to 207 pets because new zones and events keep adding more. The in-game Index shows the current list and which ones you have.