Why have they not made a batman game or show with the joker that looks like the joker from the dark knight?

why have they not made a batman game or show with the joker that looks like the joker from the dark knight|||The videogame for the Dark Knight, like the one for Batman Begins, would probably have additional dialogue in it. Because so many fans liked Heath Ledger's Joker in the Dark Knight, and because Heath died before a videogame could be released, none of the fans would have wanted someone else to do the voice for Heath's Joker. They want to see Heath do the voice for his Joker, not Mark Hamill or anybody else.|||cause even though dark knight was amazing, mark hamill was born to voice the joker