How to Get the Storm Colossus
The Storm Colossus is a Secret chicken from the Colossus Egg, published at 1%. That works out to about 100 hatches before you should expect one. The Colossus Egg has exactly five outcomes and its published percentages add up to 100%, so unlike several other eggs in this game there is no missing slice to account for. Below: the full table with expected hatches worked out for every row, where the Storm Colossus sits among those five, and one route into this egg that is being reported but is not yet confirmed.
Where the Storm Colossus sits in this egg
Of the five outcomes, 4 are more common than the Storm Colossus and 0 are rarer. At 1% you should expect roughly 100 hatches, against 3 for the Rumble Rooster at the top of the table and 100 for the Storm Colossus at the bottom. Those figures are simple reciprocals of the published rates, not survey results: they tell you the average, and a single unlucky run can and will run well past them.
The percentages add up, which is not always true here
The five published rates sum to 100%. That matters because several other eggs in this game do not: the Arena Egg table sums to 102% and the Charm, Circuit and Fang Egg tables each sum to 101%. A table that overshoots means at least one figure is rounded or stale, and any expected-hatch number derived from it inherits that error. For the Colossus Egg you can take the arithmetic at face value.
One reported route we are not putting in the table
Community coverage of Update #3 reports a Colossus Egg to Catalyst Hen handoff that opens a Trick Egg chain. We are deliberately keeping that out of the table above. The five rows here are indexed drop data; the Catalyst Hen route is described by its own sources as reported and not yet confirmed in the live game. Mixing the two would make an unconfirmed claim look exactly as solid as a measured one. If it is confirmed, the table gets a sixth row and the percentages get rechecked — because five rows already account for 100%.
Step-by-Step
- Get hold of a Colossus Egg — it is the only published route to this chicken.
- Hatch it and budget around 100 hatches at the published 1%.
- Nothing in this egg is rarer, so this is the pull the whole table is built around.
Data Tables
| Chicken | Rarity | Published rate | Expected hatches |
|---|---|---|---|
| Rumble Rooster | Rare | 46% | 3 |
| Shockwave Hen | Epic | 28% | 4 |
| Ironcluck | Legendary | 15% | 7 |
| Talon Titan | Mythic | 10% | 10 |
| Storm Colossus | Secret | 1% | 100 |
FAQ
How do you get the Storm Colossus in Grow a Chicken Fighter?
Hatch the Colossus Egg. It is the only published source, and it drops the Storm Colossus at 1%, which works out to roughly 100 hatches before you should expect one.
How many Colossus Eggs does a Storm Colossus take?
About 100 on average, from the published 1%. That is an average and not a ceiling: roughly a third of players doing this will still be empty-handed after 100 attempts.
Is the Storm Colossus the rarest thing in the Colossus Egg?
Yes. At 1% it is the rarest of the five published outcomes.
Do these percentages come from the developer?
No. They come from a community-maintained drop index, not from an official announcement. The five figures do sum to 100%, which is a good sign, but rates can change with any update — check the live game before committing a long grind.
Sources
- Community Grow a Chicken Fighter egg index (community drop table) — Structured Colossus Egg table read 2026-09-04: five indexed rows summing to exactly 100%.