Halstein Royseland is a Norwegian-born American music composer and sound designer who works at Aristocrat Leisure.
In late 2004, he was a journalist, film, and music critic for the Norwegian company Varden. He was also a journalist for the companies Smaalenene Media and Verdens Gang (VG). In mid-2016, he became a Meetings Marketing Intern at Caesars Entertainment.
In June 2018, Halstein entered the world of video games as a music composer and sound designer for Bzillions Inc. In April 2021, he joined Aristocrat Leisure]] in Las Vegas, Nevada where he still works to this day. He has done multiples things for the company such as composition, sound design, audio engineering, mastering, post production, and even game design.
Because he works for gambling companies, he has never been credited in his video game works.