"People have spent 20 hours solving" City of Six Moons, the board game you must learn an alien language to play

For many people, learning the rules of any unfamiliar board game can feel as alien as learning a brand new language. Yet few games make that experience quite as literal as City of Six Moons. Its rulebook arrives written in a mysterious series of symbols that players must translate before they can play the game itself – and may never know if they’ve got everything right.