Contact

Updated 2026-09-30. Sources are linked in the text.

Official Costcodle game screen showing a price guess and higher-or-lower arrows

Still from Northernlion playing Costcodle in the November 2025 compilation

I read mail sent to [email protected]. That address is for corrections, missing archive days, privacy requests, and questions about this website. Please include the page URL.

Who handles the game

I cannot change a puzzle, a bug, or a statistic inside the game. Those go to the developer. The repository readme lists [email protected]. The game page lists [email protected]. Code issues go to GitHub. Support for the author goes through buymeacoffee.com/kerm.

What to send me

I do not run a phone line or a postal box for this site. Email is the contact channel. The editorial policy says how I correct a page after you write.

Developer addresses copied from the repository README and index.html on 2026-09-30.

Play today's Costcodle