http://www.eurogamer.net/articles/2016-06-01-why-did-ancient-egypt-spend-3000-years-playing-a-game-nobody-else-liked
This is a glorious article and wonderfully worth reading - it's got a lot of good research in it, and has some very interesting comparisons of Senet and the Royal Game of Ur, its more widely (geographically) popular equivalent.