Scratch Egg: Drop Rates and Odds
What this page helps you decide: whether the Scratch Egg is worth farming, and how many hatches its best drop actually costs
The Scratch Egg hatches 10 documented chickens, topping out at Epic with the Crest Rooster at 5% — about 20 hatches on average. You get the egg itself by keeping a Cosmo Brat on your plot, which lays it at 100%. The full table is below, along with what we found when we added the percentages up.
The published rates do not add up — and by how much
Adding every listed chance on this egg gives 99 percent, not 100. That is 1 points missing, and it is not unique to this egg: 9 of the 17 tables in the same index have the same problem, ranging from 91 to 102 percent. The most likely explanation is rounding — several entries are written to whole percentages and some as "under 1%". A gap this size can also mean an outcome is missing from the table entirely, so treat the list below as "the drops that are documented" rather than "every drop". Use these numbers to choose which egg to farm; do not use them to predict a single hatch.
What the ceiling is worth chasing
The rarest thing this egg produces is the Crest Rooster, a Epic at 5%. That works out to roughly 20 hatches before you should expect one. It is the only Epic on this egg, so a long session has exactly one payoff worth naming. Every chicken on this egg can also be reached through at least one other egg, so this is a convenience route rather than a mandatory one.
Where this egg sits in the chain
The Scratch Egg is laid by the Cosmo Brat at 100%, so keeping one on the plot is the whole supply line — there is no shop or event step in between. Hatching it also moves you forward: 8 of its outcomes lay eggs of their own — the Bow Chick lays the Charm Egg at 70%, the NPC Chick lays the Cursed Egg at 80%, the Pizza Rooster lays the Diner Egg at 80%, among others. That is the practical reason to farm this egg even after you have the chicken you came for.
Step-by-Step
- Put a Cosmo Brat on the plot — it is the only documented source of this egg (100%).
- Decide what you are farming for. The ceiling is the Crest Rooster at 5%, about 20 hatches.
- Remember every outcome here is reachable elsewhere too, so compare rates before committing a session.
- Treat every percentage as rounded: this table sums to 99%, not 100%.
Data Tables
| Chicken | Rarity | Published rate | Expected hatches | Also from |
|---|---|---|---|---|
| Bow Chick | Uncommon | 12% | 8 | Charm Egg |
| NPC Chick | Common | 12% | 8 | Cursed Egg |
| Pizza Rooster | Common | 12% | 8 | Diner Egg |
| Taser Hen | Rare | 12% | 8 | Circuit Egg |
| Cosmo Brat | Uncommon | 11% | 9 | Nest Egg, Grudge Egg |
| Farmer Rooster | Uncommon | 11% | 9 | Nest Egg |
| Sergeant Hen | Rare | 8% | 13 | Thunder Egg, Ordnance Egg |
| Slugger Hen | Rare | 8% | 13 | Arena Egg |
| Viking Rooster | Rare | 8% | 13 | Nest Egg, Thunder Egg, Fang Egg |
| Crest Rooster | Epic | 5% | 20 | Thunder Egg, Royal Egg |
| Rarity | Outcomes | Share of the table |
|---|---|---|
| Common | 2 | 24% |
| Uncommon | 3 | 34% |
| Rare | 4 | 36% |
| Epic | 1 | 5% |
FAQ
How do you get the Scratch Egg in Grow a Chicken Fighter?
Keep a Cosmo Brat on your plot. It lays the Scratch Egg at 100%.
What is the rarest chicken from the Scratch Egg?
The Crest Rooster, a Epic at 5% — roughly 20 hatches on average.
How many chickens can the Scratch Egg hatch?
10 different chickens are documented, spanning 4 rarity tiers from Common up to Epic.
Sources
- Community Grow a Chicken Fighter Eggs Index (community drop table) — Single community source for every rate on this page. Captured 2026-08-27. We recomputed all 17 tables in that index: 9 do not sum to 100%, ranging 91–102%.