All pets
PET
T-REX EGG
T-Rex
Secret
$25M/s
Wiki data synced Oct 24, 2026 · on the wiki since Sep 4, 2026
Base income
$25M/s
Found in
Prehistoric
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Drop chance
0.99% (1 in 101)
Base size
7,500 kg
Steal reward
+420k Speed, $2.5b
Grow time
2h 30m
STATS
About 1 in 101 eggs that spawn in Prehistoric is a T-Rex.
70
eggs · 50% chance
232
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
7,500 kg (base)
$25M/s
$62.5M/s
$87.5M/s
75,000 kg
$103M/s
$259M/s
$362M/s
750,000 kg
$428M/s
$1.07B/s
$1.5B/s
Same formula as the calculator. Golden ×2.5, Rainbow ×3.5; pets can carry more than one mutation.
INCOME BY SIZE
Also in Prehistoric
Dodo · Pterodactyl · Ankylosaurus · Bronto · Triceratops · Tralaledon · Mosasaurus
RELATED PETS
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T-Rex on the Steal An Egg Wiki
Community data from the Steal An Egg Wiki (CC BY-SA) · Updated Oct 24, 2026