Best way right nowRoyal Sphinx Egg
Steal a Royal Sphinx Egg from the nests in the Desert biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 30m to hatch.
CosmicPets#122 of 194
Royal Sphinx
Normal base income280K/s
Mutation
Details
- Found in
- Desert
- Hatch time
- 30m
- Rarity
- Cosmic 7/11
- Category
- Pets
- Normal weight
- 4,000 kg
- Last updated
- 2 days ago
- Source
- Steal An Egg Wiki · Royal Sphinx
Royal Sphinx by weight
Type your own kg →Normal4,000 kg280K/s
2x8,000 kg429K/s
10x40,000 kg1.16M/s
50x200,000 kg3.13M/s
125x500,000 kg5.5M/s
500x2,000,000 kg9.57M/s
Income by weight before any colour mutation. Growth slows past 125x the normal weight.
Base income history
- Change · All
- -
- High
- -
- Low
- -
- Now
- -
Value changes
No changes since we started tracking on Sep 28, 2026. When Steal An Egg buffs or nerfs Royal Sphinx, it shows up here.
What is Royal Sphinx in Steal An Egg?
Royal Sphinx is a Cosmic pet in Steal An Egg. Its base income is 280K/s, 122nd of 194 pets we track and 30th among 32 Cosmic ones. It hatches from the Royal Sphinx Egg in 30m, found in the Desert biome.
- Rarity
- Cosmic
- Pet
- Pets
- Base income
- 280K/s
- Rank
- #122 of 194
- Hatch time
- 30m
- Egg
- Royal Sphinx Egg
- Index reward
- +18k Speed, $28m
How to get Royal Sphinx
Related: 
Scorpion
Sand Spider
Snake
Tob Tobi Tob Tob
Where this comes from
Built from our Steal An Egg data, checked 2026-10-04, using the sources below.
Wikis
- Steal An Egg Wiki · Royal Sphinx
- stealaneggwiki.com all eggs (income + hatch time)
- stealaneggwiki.net eggs (income + index reward)
- robloxgameswiki all pets (rarity bands and counts)
- Item images: stealanegg.fandom.com (fan wiki). Game art belongs to the developer.
Steal An Egg Wiki · Royal Sphinx is licensed CC BY-SA 3.0. Game content and images belong to the game's developer. We are not affiliated with Roblox or the developer.
How Royal Sphinx compares
Similar Cosmic pets
All Steal An Egg values →Cosmic
Leviathan
220K/sBase income
- Found in
- Lake
- Hatch time
- 25m
- Egg chance
- -
King Mammoth
400K/sBase income
- Found in
- Snow
- Hatch time
- 15m
- Egg chance
- -
Nibbles #013
185K/sBase income
- Found in
- Event (Dr. Scramble)
- Hatch time
- 15m
- Egg chance
- -
Ventinal
585K/sBase income
- Found in
- Rift Machine
- Hatch time
- -
- Egg chance
- 15%
Uncoiled Armadillo
625K/sBase income
- Found in
- Event (Dr. Scramble)
- Hatch time
- -
- Egg chance
- -
Questions about Royal Sphinx
How much is Royal Sphinx worth in Steal An Egg?
Royal Sphinx has a base income of 280K/s, which ranks it #122 of 194 in Steal An Egg. Silver 1.2x: 336K/s, Bloom 1.25x: 350K/s.
How rare is Royal Sphinx?
Royal Sphinx is a Cosmic pet, tier 7 of 11.
Is King Mammoth better than Royal Sphinx?
By base income, yes: King Mammoth is 400K/s, about 1.4 times Royal Sphinx's 280K/s.
How do you get Royal Sphinx in Steal An Egg?
Royal Sphinx Egg: Steal a Royal Sphinx Egg from the nests in the Desert biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 30m to hatch.
How much does Royal Sphinx weigh in Steal An Egg?
A normal Royal Sphinx weighs 4,000 kg. Heavier ones earn more: at 40,000 kg (10x) it makes about 1.16M/s, and at 500,000 kg (125x) about 5.5M/s, before colour.
Community data from the Steal An Egg Fandom wiki and several fan sites, which disagree on a few pets (noted on their pages). Four Extinction Egg animals (Terrorbird, Giant Sloth, Dunkleosteus, Gigantus) will be added once their base income is published; their Skeletal versions are listed.