I agree that it most likely does not suit the definition of a sport. In addition, I've always understand it as "Chutes and Ladders" as opposed to "Snakes and Ladders". Roll and Move does not involve the die being an easy d6. Applying 2d6 as an alternative (not unheard of, https://marcozupib.blogdeazar.com/39904970/detailed-notes-on-what-determines-movement-and-outcomes-in-roll-and-move-games