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Title text: 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]

I've only heard it called "offside rule" - is the "s" an American thing? Like a reverse "maths" situation?

Sounds like an interesting concept for a physics-based video game though