Steal An Egg IndexCosmic Gecko in Steal An Egg
Legendary · wiki data synced Oct 24, 2026
Cosmic Gecko is a Legendary pet that earns $30K/s at its base size of 18 kg. It hatches from eggs stolen in Cosmic, where about 1 in 3 eggs is a Cosmic Gecko egg (34.387407%).
It is #184 of 236 pets by base income, and #7 of 8 in Cosmic.
- Rarity
- Legendary
- Base income
- $30K/s
- Base size
- 18 kg
- Zone
- Cosmic
- Speed needed
- 700M
- Egg
- Cosmic Gecko Egg
- Drop chance
- 34.4%
- Grow time
- 4m
- Reward
- +1m Speed, $3m
How to get Cosmic Gecko
Train until you have at least 700M Speed, then go to Cosmic, zone 9 of 14, guarded by the Dragon. Steal eggs there and bring them back to your base to hatch.
Each egg that spawns in Cosmic has a 34.387407% chance to be a Cosmic Gecko Egg. That means you need to see about 2 eggs for a 50% chance of at least one, and 6 eggs for 90%.
A Cosmic Gecko egg takes 4m to hatch, and the wiki lists its reward as +1m Speed, $3m.
Cosmic Gecko value by size and mutation
Income grows with weight but slows down past 125× the base size. These are the wiki's formula at three sizes:
| Size | Normal | Golden ×2.5 | Rainbow ×3.5 |
|---|---|---|---|
| 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 |
Work out your own Cosmic Gecko: open it in the income calculator. All multipliers are on the mutations page.
How Cosmic Gecko compares
By base income Cosmic Gecko is #184 of 236 overall and #12 of 27 Legendary pets. Just above it: Sabertooth Tiger ($35K/s); just below: Void Angler ($30K/s).
Other pets in Cosmic
| Pet | Rarity | Base $/s | Drop chance |
|---|---|---|---|
 Centapede | Epic | $1.5K/s | 39.9% |
| Cosmic Gecko | Legendary | $30K/s | 34.4% |
 Cosmic Gorilla | Mythic | $180K/s | 19.6% |
 La Vacca Saturno Saturnita | Cosmic | $2.2M/s | 4.55% |
 Cosmic Dragon | Secret | $60M/s | 0.74% (1 in 134) |
 Cosmic Skeleton Boss | Secret | $45M/s | 0.5% (1 in 202) |
 Eternal Lunar Dragon | Eternal | $250M/s | 0.31% (1 in 321) |
 Unicorn | Divine | $1B/s | 0.02% (1 in 4,310) |
Source: Cosmic Gecko on the Steal An Egg Wiki (CC BY-SA). First listed on the wiki Sep 4, 2026, during the Monsters Are Coming week. Synced Oct 24, 2026.