Welcome everyone! I created this community after coming across an example in [email protected]
In a “NoSafetySmokingFirst”, the text reads correctly left to right, but visual cues (like colouration, vertical proximity, or horizontal separation) lead you to try to read it top to bottom.

This is similar to, but distinct from, the more widely known “DontDeadOpenInside” format. In that case, the text reads correctly top to bottom, but visual cues (like colouration, horizontal proximity, or vertical separation) lead you to try to read it left to right.
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That’s pretty much all you need to know! Hope you enjoy yourself here!
*Edited to improve explanation and add examples.


I actually read this across because of the colour grouping. Not the best example of the genre.
True, there are better examples, but for whatever reason, this one became the eponymous example, after which the subgenre was named.