Mythic
Base income$180K/s
Base weight8 kg
Found inBiohazard Egg
Speed needed—
Guardian—
Income rank130th of 197
Toxic Rat is a Mythic pet in Roblox Steal an Egg that hatches from the Biohazard Egg. At normal size with no mutation it earns $180K/s — the 11th best of 23 Mythic pets and 130th out of all 197 pets in the game.
How to get Toxic Rat
Toxic Rat does not spawn in a normal biome nest. It comes from Biohazard Egg — Dr. Scramble's Laboratory banner.
💰 Toxic Rat income with mutations
| Mutation | Multiplier | Income (normal size) |
|---|---|---|
| Normal | ×1 | $180K/s |
| Silver | ×1.2 | $216K/s |
| Bloom | ×1.25 | $225K/s |
| Golden | ×2.5 | $450K/s |
| Spirit Bloom | ×2.5 | $450K/s |
| Fractured | ×2.75 | $495K/s |
| Scrambled | ×2.75 | $495K/s |
| Parasite | ×3 | $540K/s |
| Rainbow | ×3.5 | $630K/s |
📏 Income by size
Open the calculator →Bigger eggs hatch heavier pets that earn more. Base weight is 8 kg; above 125× the gains slow down.
| Size | Weight | Income | Income (Rainbow) |
|---|---|---|---|
| 1× | 8 kg | $180K/s | $630K/s |
| 2× | 16 kg | $276K/s | $966K/s |
| 5× | 40 kg | $485.63K/s | $1.7M/s |
| 10× | 80 kg | $744.63K/s | $2.61M/s |
| 50× | 400 kg | $2.01M/s | $7.03M/s |
| 100× | 800 kg | $3.08M/s | $10.78M/s |
| 500× | 4K kg | $6.15M/s | $21.54M/s |
