All pets
PET
COSMIC GECKO EGG
Cosmic Gecko
Legendary
$30K/s
Wiki data synced Oct 24, 2026 · on the wiki since Sep 4, 2026
Base income
$30K/s
Found in
Cosmic
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Drop chance
34.4%
Base size
18 kg
Steal reward
+1m Speed, $3m
Grow time
4m
STATS
About 1 in 3 eggs that spawn in Cosmic is a Cosmic Gecko.
2
eggs · 50% chance
6
eggs · 90% chance
Eggs you need to see to get at least one, from the wiki's spawn chances.
HATCH ODDS
Size
Normal
Golden
Rainbow
18 kg (base)
$30K/s
$75K/s
$105K/s
180 kg
$124K/s
$310K/s
$434K/s
1,800 kg
$513K/s
$1.28M/s
$1.8M/s
Same formula as the calculator. Golden ×2.5, Rainbow ×3.5; pets can carry more than one mutation.
INCOME BY SIZE
Also in Cosmic
Centapede · Cosmic Gorilla · La Vacca Saturno Saturnita · Cosmic Dragon · Cosmic Skeleton Boss · Eternal Lunar Dragon · Unicorn
RELATED PETS
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Cosmic Gecko on the Steal An Egg Wiki
Community data from the Steal An Egg Wiki (CC BY-SA) · Updated Oct 24, 2026