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No account needed. Your results are saved on this device, and you can sign in to carry them to your other devices.

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How it works

Each game has one puzzle a day, the same for everyone, and it changes at midnight in your time zone. Missed a day? Every past puzzle is in the Archive.

Credits

Map shapes: Natural Earth via world-atlas. Country facts: mledoze/countries (ODbL) and country-json. Cities: GeoNames (CC BY 4.0). Flags: country-flag-icons.

Historical borders: historical-basemaps by André Ourednik (GPL-3.0). Borders are approximate.

Maps drawn with D3. Facts link to Wikipedia. Populations are approximate and may be a few years out of date.