Leviathan Cosmic
Leviathan earns $220K/s at base. With Rainbow (×3.5) it earns $770K/s, before size.
It ranks #123 of 191 pets by base income and #29 of 29 Cosmic pets.
Data checked: Oct 15, 2026 · Base weight: 5,000 kg · Egg: Lake
Income by mutation
| Mutation | Multiplier | Income | How it appears |
|---|---|---|---|
| None | ×1 | $220K/s | Normal hatch |
| Rainbow | ×3.5 | $770K/s | Hatch roll, 1% chance |
| Parasite | ×3 | $660K/s | Event or item only |
| Fractured | ×2.75 | $605K/s | Event or item only |
| Scrambled | ×2.75 | $605K/s | Event or item only |
| Golden | ×2.5 | $550K/s | Hatch roll, 4% chance |
| Spirit Bloom | ×2.5 | $550K/s | Event or item only |
| Bloom | ×1.25 | $275K/s | Event or item only |
| Silver | ×1.2 | $264K/s | Hatch roll, 6% chance |
Income by size
Leviathan's base weight is 5,000 kg (community wiki). Heavier pets earn more, with diminishing returns past 125× the base weight; lighter-than-base pets earn less. The table uses the curve from the community wiki calculator.
| Weight | vs base | Size multiplier | No mutation | Rainbow | Golden | Silver |
|---|---|---|---|---|---|---|
| 2,500 kg | 0.5× | ×0.31 | $69.3K/s | $243K/s | $173K/s | $83.2K/s |
| 5,000 kg | 1× | ×1 | $220K/s | $770K/s | $550K/s | $264K/s |
| 10,000 kg | 2× | ×1.53 | $337K/s | $1.18M/s | $843K/s | $405K/s |
| 25,000 kg | 5× | ×2.7 | $594K/s | $2.08M/s | $1.48M/s | $712K/s |
| 50,000 kg | 10× | ×4.14 | $910K/s | $3.19M/s | $2.28M/s | $1.09M/s |
| 250,000 kg | 50× | ×11.16 | $2.46M/s | $8.59M/s | $6.14M/s | $2.95M/s |
| 625,000 kg | 125× | ×19.64 | $4.32M/s | $15.1M/s | $10.8M/s | $5.18M/s |
| 2,500,000 kg | 500× | ×34.19 | $7.52M/s | $26.3M/s | $18.8M/s | $9.03M/s |
Colour variants and mutations add together rather than multiply: Rainbow (×3.5) plus Parasite (×3) is ×5.5, not ×10.5.
Open Leviathan in the calculator to try any mutation, size and number of pets.
Closest pets by base income
| Pet | Rarity | Base income | vs Leviathan |
|---|---|---|---|
| Royal Sphinx | Cosmic | $280K/s | 1.27× |
| Flame Sprite | Legendary | $225K/s | 1.02× |
| Light Dove | Legendary | $225K/s | 1.02× |
| Leviathan | Cosmic | $220K/s | – |
| Riftwing | Mythic | $220K/s | 1.00× |
| Cosmic Gorilla | Mythic | $180K/s | 0.82× |
| Toxic Rat | Mythic | $180K/s | 0.82× |
Source: Module:IncomeCalculator/Data (rev 2021, Sep 30, 2026), Mutations (rev 1822, Sep 20, 2026), Pets and Eggs (rev 2161, Oct 14, 2026), MediaWiki:Common.js (rev 1790, Sep 20, 2026) · Steal An Egg community wiki, CC BY-SA 3.0. Numbers restructured into tables.