"Master Sudoku in 70 Minutes?!!" This is a review for "1 Rule Sudoku" a puzzle ...ahmadmangazap (66)in DBuzz • 18 days ago ... game on Steam that in my opinion isn't very good, but This review for it is really good to watch!! #gaming #math #stem #pgm #stemgeeks Posted via D.Buzz #gaming #math #stem #pgm #stemgeeks