T-Rex Secret
T-Rex earns $25M/s at base. With Rainbow (×3.5) it earns $87.5M/s, before size.
It ranks #80 of 191 pets by base income and #25 of 32 Secret pets.
Data checked: Oct 15, 2026 · Base weight: 7,500 kg · Egg: Prehistoric
Income by mutation
| Mutation | Multiplier | Income | How it appears |
|---|---|---|---|
| None | ×1 | $25M/s | Normal hatch |
| Rainbow | ×3.5 | $87.5M/s | Hatch roll, 1% chance |
| Parasite | ×3 | $75M/s | Event or item only |
| Fractured | ×2.75 | $68.8M/s | Event or item only |
| Scrambled | ×2.75 | $68.8M/s | Event or item only |
| Golden | ×2.5 | $62.5M/s | Hatch roll, 4% chance |
| Spirit Bloom | ×2.5 | $62.5M/s | Event or item only |
| Bloom | ×1.25 | $31.3M/s | Event or item only |
| Silver | ×1.2 | $30M/s | Hatch roll, 6% chance |
Income by size
T-Rex's base weight is 7,500 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 |
|---|---|---|---|---|---|---|
| 3,750 kg | 0.5× | ×0.31 | $7.87M/s | $27.6M/s | $19.7M/s | $9.45M/s |
| 7,500 kg | 1× | ×1 | $25M/s | $87.5M/s | $62.5M/s | $30M/s |
| 15,000 kg | 2× | ×1.53 | $38.3M/s | $134M/s | $95.8M/s | $46M/s |
| 37,500 kg | 5× | ×2.7 | $67.4M/s | $236M/s | $169M/s | $80.9M/s |
| 75,000 kg | 10× | ×4.14 | $103M/s | $362M/s | $259M/s | $124M/s |
| 375,000 kg | 50× | ×11.16 | $279M/s | $977M/s | $698M/s | $335M/s |
| 937,500 kg | 125× | ×19.64 | $491M/s | $1.72B/s | $1.23B/s | $589M/s |
| 3,750,000 kg | 500× | ×34.19 | $855M/s | $2.99B/s | $2.14B/s | $1.03B/s |
Colour variants and mutations add together rather than multiply: Rainbow (×3.5) plus Parasite (×3) is ×5.5, not ×10.5.
Open T-Rex in the calculator to try any mutation, size and number of pets.
Closest pets by base income
| Pet | Rarity | Base income | vs T-Rex |
|---|---|---|---|
| Holy Peacock | Cosmic | $25M/s | 1.00× |
| Shadow Dragon | Mythic | $25M/s | 1.00× |
| Spiderpig | Cosmic | $25M/s | 1.00× |
| T-Rex | Secret | $25M/s | – |
| Bomboclat Crocolat | Brainrot | $20M/s | 0.80× |
| Rhinotaur | Cosmic | $17.5M/s | 0.70× |
| Imp | Cosmic | $16M/s | 0.64× |
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.