Best way right nowCosmic Gecko Egg
Steal a Cosmic Gecko Egg from the nests in the Cosmic biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 4m to hatch.
LegendaryPets#144 of 194
Cosmic Gecko
Normal base income30K/s
Mutation
Details
- Found in
- Cosmic
- Hatch time
- 4m
- Rarity
- Legendary 5/11
- Category
- Pets
- Normal weight
- 18 kg
- Last updated
- 2 days ago
- Source
- Steal An Egg Wiki · Cosmic Gecko
Cosmic Gecko by weight
Type your own kg →Normal18 kg30K/s
2x36 kg46K/s
10x180 kg124K/s
50x900 kg335K/s
125x2,250 kg589K/s
500x9,000 kg1.03M/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 Cosmic Gecko, it shows up here.
What is Cosmic Gecko in Steal An Egg?
Cosmic Gecko is a Legendary pet in Steal An Egg. Its base income is 30K/s, 144th of 194 pets we track and 8th among 23 Legendary ones. It hatches from the Cosmic Gecko Egg in 4m, found in the Cosmic biome.
- Rarity
- Legendary
- Pet
- Pets
- Base income
- 30K/s
- Rank
- #144 of 194
- Hatch time
- 4m
- Egg
- Cosmic Gecko Egg
- Index reward
- +1m Speed, $3m
How to get Cosmic Gecko
Related: 
Unicorn
Eternal Lunar Dragon
Cosmic Dragon
Cosmic Skeleton Boss
Where this comes from
Built from our Steal An Egg data, checked 2026-10-04, using the sources below.
Wikis
- Steal An Egg Wiki · Cosmic Gecko
- 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 · Cosmic Gecko 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 Cosmic Gecko compares
Similar Legendary pets
All Steal An Egg values →Legendary
Void Angler
30K/sBase income
- Found in
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- Hatch time
- -
- Egg chance
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- Hatch time
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Pterodactyl
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- Hatch time
- 3m
- Egg chance
- -
Shark
15K/sBase income
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- Hatch time
- 4m
- Egg chance
- -
Spike
15K/sBase income
- Found in
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- Hatch time
- -
- Egg chance
- -
Questions about Cosmic Gecko
How much is Cosmic Gecko worth in Steal An Egg?
Cosmic Gecko has a base income of 30K/s, which ranks it #144 of 194 in Steal An Egg. Silver 1.2x: 36K/s, Bloom 1.25x: 37.5K/s.
How rare is Cosmic Gecko?
Cosmic Gecko is a Legendary pet, tier 5 of 11.
Is Sabertooth Tiger better than Cosmic Gecko?
By base income, yes: Sabertooth Tiger is 35K/s, about 1.2 times Cosmic Gecko's 30K/s.
How do you get Cosmic Gecko in Steal An Egg?
Cosmic Gecko Egg: Steal a Cosmic Gecko Egg from the nests in the Cosmic biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 4m to hatch.
How much does Cosmic Gecko weigh in Steal An Egg?
A normal Cosmic Gecko weighs 18 kg. Heavier ones earn more: at 180 kg (10x) it makes about 124K/s, and at 2,250 kg (125x) about 589K/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.