Unknown · TBD tier
Cosmo Brat
Hatches from the Grudge Egg at 100% and lays Scratch Eggs at 100% — but no chicken lays Grudge Eggs and no acquisition route is documented.
Reported data. Numbers come from community testing and official announcements, marked “reported” until confirmed against the live game. Verify in-game before big decisions.
Egg Source
Grudge Egg
Hatch Chance
100% of Grudge Egg (reported)
Egg Lays
Scratch Egg — 100% (reported)
Roles
Money
Added
2026-08-14
How to use it
- Currently unobtainable; listed in the 08-14 in-game index. Watch for a code or event.