In Steal An Egg, the "best" pet isn't the one that looks coolest on your base — it's the one that prints the most cash while you're off stealing the next egg. Every pet you hatch generates money per second, and the gap between a starter Chicken and a top-tier Divine pet is not a few percent — it's a factor of a billion. This guide ranks the highest-income pets in Steal An Egg, breaks down the best pick in every biome, and tells you which pets are actually worth chasing first instead of wasting Speed hauling eggs that barely pay out.
All money-per-second figures below are from the community pet index maintained by IGN (ign.com/wikis/steal-an-egg-roblox), pulled August 21, 2026. Steal An Egg updates fast — it added its latest content the same day this was written — so treat the numbers as the current baseline and re-check the in-game index for the freshest values.
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What counts as the "best" pet in Steal An Egg? (quick answer)
TL;DR — August 2026. The single best pet in Steal An Egg is the Unicorn (Divine, Cosmic biome) at $1B/second — nothing else is close. Below it sit the Eternal dragons: Eternal Lunar Dragon ($250M/s), Mosasaurus ($180M/s), El Maja ($130M/s), Lava Dragon ($100M/s), Phoenix ($85M/s) and Ice Dragon ($65M/s). But those are endgame targets. For a new or mid-game player, the real "best pets" are the first big income jumps you can realistically reach: the Legendary tier in each biome (Forest Brr Brr Patapim $1.8K/s, Lake Axolotl $2.8K/s, Desert Snake $3.6K/s) — each one is roughly 1,000× a starter Common. "Best" = highest money per second you can actually obtain right now, not the rarest name on the wall.
Keep that framing for the whole guide: rarity and income move together, but you rank pets by income per second, then by how hard the pet is to get. A Legendary you own beats a Divine you'll never hatch.
How does pet income work in Steal An Egg?
Steal An Egg is a "steal-and-hatch" income sim in the same family as Steal a Brainrot and Grow a Garden 2. The official Roblox game page sums the loop up in one line:
"🥚 Steal eggs from pets · 🐣 Hatch eggs to collect rare pets · 💰 Earn money from your pets · ⬆️ Upgrade your treadmill and base · 🏃 Train on the treadmill to gain Speed · 🥷 Steal eggs from other players · ✨ Discover rarer eggs, pets, sizes, and mutations!" — official Steal An Egg description, roblox.com
In practice that means:
- You steal eggs from biomes. Each biome has a set of eight pets, and bigger, more exotic eggs next to a biome's "parents" carry a higher chance of a rarer pet or a mutation (IGN pet index). Eggs reset roughly every in-game night — about every 4.5 minutes — so there's a constant supply to grab.
- Hatched pets generate money per second, forever, once placed on your base. Your total income is the sum of every equipped pet's per-second rate.
- Speed is the gatekeeper. You train Speed on the treadmill so you can carry heavier eggs and outrun the pet (or other players) guarding them. If you keep getting caught, that's a Speed problem, not a pet problem.
- Rebirth resets your run for a permanent progression bonus — do it when the permanent benefit outweighs what you'd lose resetting.
The rarity ladder, ordered by the income each tier pays out, runs:
Common → Uncommon → Rare → Epic → Legendary → Mythic → Cosmic → Secret → Eternal → Divine.
Steal An Egg's own badge data confirms the top tiers Secret, Eternal, and Divine exist as distinct labels — so when you see those words in-game, you're looking at the highest-value pets in the game.
Steal An Egg best pets overall (top-tier income ranking)
These are the highest money-per-second pets in Steal An Egg right now. Every one is an endgame Cosmic-biome or biome-boss pet — you'll spend a long time before you hatch any of them, but this is the ceiling you're climbing toward.
| Rank | Pet | Rarity | Biome | Money / second |
|---|---|---|---|---|
| 1 | Unicorn | Divine | Cosmic | $1B/s |
| 2 | Eternal Lunar Dragon | Eternal | Cosmic | $250M/s |
| 3 | Mosasaurus | Eternal | Prehistoric | $180M/s |
| 4 | El Maja | Eternal | Abyss Ocean | $130M/s |
| 5 | Lava Dragon | Eternal | Volcano | $100M/s |
| 6 | Phoenix | Eternal | Volcano | $85M/s |
| 7 | Ice Dragon | Eternal | Snow | $65M/s |
| 8 | Cosmic Dragon | Secret | Cosmic | $60M/s |
Source: IGN Steal An Egg pet index, pulled 2026-08-21. In-game figures can change on any update.
The Unicorn is the flex pet of the game — at $1B/s it out-earns the entire rest of the roster combined, which is exactly why it sits behind the Divine rarity wall in the Cosmic biome. If you only ever hunt one "goal" pet, it's this one.
Best pet in every biome
Most players aren't hatching Eternals yet — they're grinding through the early and mid biomes trying to figure out which egg is worth the carry. Here's the highest-income pet available in each biome, plus a realistic "get this first" pick for players who can't yet reach the biome's boss.
| Biome | Top pet (income) | Realistic early pick |
|---|---|---|
| Forest | Brr Brr Patapim — Legendary — $1.8K/s | Bear (Epic, $240/s) |
| Lake | Leviathan — Cosmic — $220K/s | Axolotl (Legendary, $2.8K/s) |
| Desert | Royal Sphinx — Cosmic — $280K/s | Scorpion (Mythic, $18.5K/s) |
| Jungle | King Snake — Secret | Tiger (Mythic, $28K/s) |
| Snow | Ice Dragon — Eternal — $65M/s | King Mammoth (Cosmic, $400K/s) |
| Volcano | Lava Dragon — Eternal — $100M/s | Flaming Bull (Legendary, $9.5K/s) |
| Abyss Ocean | El Maja — Eternal — $130M/s | Kraken (Secret, $15M/s) |
| Prehistoric | Mosasaurus — Eternal — $180M/s | Bronto (Cosmic, $1.5M/s) |
| Cosmic | Unicorn — Divine — $1B/s | Eternal Lunar Dragon ($250M/s) |
A pattern jumps out: each biome's income scale is roughly 10–100× the last. A top Forest pet makes $1.8K/s; a top Prehistoric pet makes $180M/s. That's why chasing a slightly better pet in your current biome is almost always worse than pushing Speed hard enough to open the next biome — the whole board resets to bigger numbers.
Best early-game pets: what to actually chase first
If you're new, ignore the Eternals for now. The single biggest income jump you can make early is hitting the Legendary tier in whichever biome you're farming. Legendaries are the first pets that pay in the thousands per second instead of ones and tens:
- Forest — Brr Brr Patapim (Legendary): $1.8K/s. Your first "real" income pet. Unlocks around $180K.
- Lake — Axolotl (Legendary): $2.8K/s. The Lake's most efficient obtainable pet before the Cosmic-tier Leviathan.
- Desert — Snake (Legendary): $3.6K/s. A clean upgrade once you can survive the Desert's heavier eggs.
Compared to a starter Chicken ($1/s) or Dog ($2/s), a single Legendary is a 1,000×+ income multiplier. Farm one, re-invest into Speed and base upgrades, then push to the next biome. Don't clutter your base with low-tier pets — cut the dead weight and re-equip as better pets come in.
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Secret, Eternal, and Divine pets (and the Robux store eggs)
The top of the game is split between biome bosses and store-exclusive Brainrot Eggs:
- Secret pets are the chase pets of each late biome — King Snake (Jungle), Yeti (Snow), Cerberus (Volcano, $8M/s), Kraken (Abyss Ocean, $15M/s), T-Rex ($25M/s) and Tralaledon ($32M/s) in Prehistoric, plus Cosmic Dragon ($60M/s) and Cosmic Skeleton Boss ($45M/s) in Cosmic.
- Eternal pets are the dragons and leviathans that top most biomes ($65M–$250M/s).
- Divine is a single pet: the Unicorn ($1B/s).
Separately, Steal An Egg sells six limited Brainrot Eggs in the in-game Store, and — per IGN — these are the only pets you can't get from a biome: they cost Robux. They are Tung Tung Sahur (Rare), Bananita Dolphinita (Epic), Belula Beluga (Mythic), Mangolini Parrochini (Cosmic), Bomboclat Crocolat (Secret) and Strawberry Elephant (Eternal). Their exact per-second income isn't published in the index yet, so don't take any specific number you see on a value-clone site at face value — verify it in the Store before you spend.
Do sizes and mutations change a pet's value?
Yes — the official description explicitly lists "sizes, and mutations" as part of the progression, and IGN notes that bigger, rarer eggs raise your odds of a mutated pet. A mutation (the on-screen rainbow eggs you'll see other players hauling) increases a pet's payout above its base rate, and size affects how the pet presents on your base.
Here's the honest part: Steal An Egg's developer has not published exact mutation multipliers. Third-party calculators will quote you precise "×10" style numbers, but those are community guesses and they disagree. Treat a mutation as a straight upgrade — always keep the mutated copy of a pet over the plain one — but confirm the actual multiplier against the in-game UI rather than trusting a value-list clone. And do not carry over mutation numbers from Steal a Brainrot or Grow a Garden 2; they're different games with different math.
Are the top pets worth buying or boosting?
The Unicorn and the Eternal dragons are gated behind serious Speed, Rebirths, and hours in the Cosmic biome — which is why plenty of players look for a shortcut. Two clean, on-platform options:
- The Brainrot Store eggs are the only pets you buy directly, and they run on Robux. If you want them, top up Robux the fast, safe way rather than chasing a sketchy "free Robux" site (those are against Roblox's Terms of Use and get accounts terminated).
- If you'd rather skip the grind entirely, timesaver.gg runs legit Roblox pet and progression services that get you where you want to be without babysitting a treadmill for a week.
One rule that protects your account: never buy, sell, or trade Robux or pets off-platform for real money. Roblox's Terms of Use explicitly prohibit it and enforce it with suspensions and terminations. Everything below stays inside the rules.
Get ahead in Steal An Egg the safe way:
- Robux — fast & safe top-up — instant delivery, best rate, for the Store's Brainrot Eggs
- Roblox Pets & carries — skip the grind, get the pets you want
- All Roblox services — progression, currency and more across every experience
For more Roblox pet and value guides, see our Adopt Me value list, the Steal a Brainrot value list, and the Grow a Garden 2 value list. New to buying Robux for Store eggs? Start with Robux to USD.
How big is Steal An Egg right now?
For context on why this game is worth a guide at all: Steal An Egg was created July 25, 2026 and, in under a month, hit 150.4 million visits and 469,671 concurrent players on our direct Roblox Games API pull (2026-08-21, ~14:25 UTC) — enough to sit #1 on Roblox's live Top Trending sort, ahead of Blox Fruits and 99 Nights in the Forest. It has 265,000+ favourites and shipped an update the same day this guide went live. This is a brand-new game still adding pets and biomes, so expect the roster — and these income numbers — to keep moving.
FAQ
What is the best pet in Steal An Egg? The Unicorn (Divine rarity, Cosmic biome) is the best pet by a wide margin, generating $1B per second — roughly four times the next-best pet, the Eternal Lunar Dragon at $250M/s. For a realistic near-term goal, the best pet you can actually reach is whichever Legendary sits in your current biome.
How many pets are in Steal An Egg? There are 72 unlockable pets across the nine biomes (Forest, Lake, Desert, Jungle, Snow, Volcano, Abyss Ocean, Prehistoric and Cosmic), plus 6 limited Brainrot Eggs sold for Robux in the Store, per IGN's pet index (August 2026).
How do I get Secret, Eternal, and Divine pets? They come from the highest-tier biomes — mainly Cosmic and the late-game biome bosses — and require a lot of Speed, base upgrades, and Rebirths to reach. Bigger, rarer eggs raise your odds of a top-rarity or mutated pet, so keep pushing into the newest biome rather than farming an early one.
Are there any Steal An Egg codes? No. As of August 2026 the game has no active codes and no codes menu — this was confirmed across multiple trackers on August 17–18, 2026. If codes ever launch, they'll be announced first in the game's official Discord; never trust a "code" you haven't seen there.
Do mutations actually increase pet income? Yes — a mutated pet out-earns its plain version, and the official description lists sizes and mutations as part of progression. But the developer hasn't published exact multipliers, so verify the real boost in the in-game UI instead of trusting a third-party calculator, and never reuse mutation numbers from other "steal" games.
Is it worth buying Robux for the Brainrot Store eggs? Only if you want those six specific limited pets — they're the only ones you can't hatch from a biome. If you do, buy Robux through Roblox or a safe, legitimate top-up; avoid "free Robux" sites, which violate Roblox's Terms of Use and risk your account.
