Spielberg is directing, I for one would love John Williams (if he is selected to score) do the score with some electronic, or chip tune sound.
I absolutely loved the book which repetitively mentioned the Ladyhawke soundtrack.
I have not seen Pixel's yet but did listen to the score, and the track I appreciated the most on the album was the final bonus track titled "Arcaders 82". I would love to see Williams, or whoever is assigned try something similar to this sound.