Steal an Egg · Income
Pet Income & Stacking
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Overview
Pets are the game's core mechanic. Collecting and hatching them allows you to increase your income per second ($/s)—enabling you to move faster across the map—and unlock higher-level biomes.
Pets are one of the primary progression systems in Steal an Egg. Players obtain pets by hatching eggs in their base pens. Each pet generates an income per second ($/s), which allows players to purchase higher level pens, treadmills, and trails. Therefore increasing their movement speed and unlock higher-level biomes.
Stacking & Multipliers
Don't forget that Mutations and Size Traits stack together by multiplying their base income:
Final Income = Base Income × Color Multiplier × Size Multiplier
Mutation multipliers
The color multiplier in the formula. Normal pets count as ×1.
| Mutation | Multiplier | How to get it |
|---|---|---|
 | ×3.5 | Animated rainbow effect that continuously changes colors. Extremely rare hatch roll — roll weight 1 out of 100. |
 | ×3 | Not obtainable through normal hatch rolls. Comes from its own dedicated Parasite Egg, obtained through the feeding event. |
 | ×2.75 | Not obtainable through normal hatch rolls. Can be applied to an egg with a Mutation Consumable for a 10% chance. |
 | ×2.75 | Poison like effect. Currently obtainable via Dr. Scramble's Shop — can be applied to an egg with a 10% chance. |
 | ×2.5 | Shiny metallic gold texture with coin particles. Roll weight 4 out of 100. |
 | ×2.5 | Green spiritual effect. Currently unobtainable via normal roll — obtained instead through the Sakura Incubator. |
 | ×1.25 | Cherry blossom petal particles. Likely gated behind the Sakura event rather than normal hatching. |
 | ×1.2 | Shiny silver appearance with metallic reflections. Roll weight 6 out of 100. |
Data sourced from the Steal an Egg Wiki (CC BY-SA) and processed automatically; last synced 2026-10-11.