many reasons...and sadly i don't think there is "game over" scenes- tho to give one reason from one dev to another...usually it's for user control like names, genders and etc...but mainly those 2...i do love games where i can play as female and well..half is because i I'm one ;-; for reference "lightspacelove" or ik a half shitty game that i played once where you could choose your own gender..a real good user friendly game ik is called "degrees of lewdity" and is one of my favorites.. <3 give it a shot if you like text style with pictures...i myself enjoy rps is why i liked that one in specific...