![Spacetime Soccer, known outside the United States as '4D Football' is a now-defunct sport. Infamous for referee decisions hinging on inconsistent definitions of simultaneity, it is also known for the disappearance of many top players during... [more]](https://i0.wp.com/imgs.xkcd.com/comics/spacetime_soccer.png?w=700&ssl=1 "Spacetime Soccer, known outside the United States as '4D Football' is a now-defunct sport. Infamous for referee decisions hinging on inconsistent definitions of simultaneity, it is also known for the disappearance of many top players during... [more]")
01/12/2022
Spacetime Soccer
01/12/2022
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