. U can leave the theme park and re enter again using the advance QR code system. Llévate el ticket. wear trainers to get on them and not sandals? Genting HighlandsCasino en. U can leave the theme park and re enter again using the advance QR code system. Rides were great but unfortunately you need to wear trainers to get on them. The tour provider follows the standard operating procedures of World Health Organization (WHO) standards. The dress code is smart casual.