Bronto
CosmicQuick stats
Base income and availability.
Bronto income calculator
Live calculator for Bronto.
| Window | Total earned |
|---|---|
| 10 minutes | $900M |
| 30 minutes | $2.7B |
| 1 hour | $5.4B |
| 8 hours | $43.2B |
| 24 hours | $129.6B |
Income table
Earnings for one copy under each verified multiplier combination.
| Variant | Per second | Per minute | Per hour | Per day |
|---|---|---|---|---|
| Base | $1.5M | $90M | $5.4B | $129.6B |
| Golden ×2 | $3M | $180M | $10.8B | $259.2B |
| Rainbow ×5 | $7.5M | $450M | $27B | $648B |
| Giant ×3 | $4.5M | $270M | $16.2B | $388.8B |
| Rainbow + Giant ×15 | $22.5M | $1.35B | $81B | $1.94T |
How to get
Where this pet comes from.
Hatch Prehistoric Nest Egg in the Prehistoric biome — you need 17,000,000 Speed to enter (train on your treadmill).
Eggs spawn at biome nests and reset every in-game night (4:30). Larger, more exotic egg variants have better odds at rare pets. Watch out for the T-Rex guarding the area.
Egg drops
Other pets from Prehistoric Nest Egg.
| Pet | Rarity | Income |
|---|---|---|
| Bronto | Cosmic | $1.5M/s |
| Ankylosaurus | Mythic | $120K/s |
| Dodo | Unknown | — |
| Mosasaurus | Unknown | — |
| Pterodactyl | Unknown | — |
| T-Rex | Unknown | — |
| Tralaledon | Unknown | — |
| Triceratops | Unknown | — |
Exact drop rates are not published for any Steal An Egg egg — see the egg explorer.
Sources
Cross-checked media sources for this pet.
ign-all-pets · beebom · gamesggVerified 2026-08-21 — see the source registry
Related
FAQ
How much income does Bronto give in Steal An Egg?
Bronto earns $1.5M per second at base. With a Golden mutation that's $3M/s, Rainbow $7.5M/s, and a Rainbow Giant combo $22.5M/s.
How do you get Bronto?
Hatch Prehistoric Nest Egg in the Prehistoric biome (requires 17,000,000 Speed). Eggs spawn at nests and reset every in-game night (4.5 minutes).
What rarity is Bronto?
Bronto is Cosmic.
How do mutations affect Bronto's income?
When Bronto has a documented mutation, Golden multiplies its base income by 2, Rainbow by 5, Giant by 3, and Rainbow + Giant by 15. The calculator on this page uses those same verified multiplier rules.
Is Bronto currently obtainable?
Bronto is marked obtainable in the current data snapshot. Availability can change with game events, so check the listed biome or egg pool in-game before farming.