This game compares published coastline length estimates for countries and territories, using the CIA column from Wikipedia’s comparison table.

• You are comparing coastline length in kilometers, not beach quality, maritime power, or total sea access.
• This build drops landlocked 0 km rows, so every matchup is between places with an actual reported coastline.
• Coastline numbers depend heavily on how finely a shoreline is measured, which is why the same table also shows a second WRI estimate for many places.
• In each round, pick the place with the longer reported coastline, or SAME when the CIA figures match.

Coastline feels like a basic fact until the ruler changes.