Brunes started his career in Bryne, making his debut in the 2016 1. divisjon, becoming the youngest player to ever play for the club.
[1] On 14 August 2023, Brunes signed a three-year contract with Belgian Pro League club OH Leuven.
[3] He made his debut for the club four days later, replacing Nathan Opoku in the 60th minute of a 1–1 league draw against defending champions Antwerp.
He made his debut for the club on 29 July 2024 in a 0–1 home loss to Cracovia,[6] and scored his first goal on 23 August in a 2–1 win over Lechia Gdańsk.
His first cousins, Erling Haaland and Albert Tjåland, both play as strikers for Manchester City and Molde respectively.