The game has a partnership with Line Friends to create official merchandise, new skins for Brawlers that are based on Line Friends characters, sticker packs on Line messenger, and new content. A pop-up store was opened in January 2020 in South Korea to sell the merchandise from the partnership. Merchandise is also available at major Line Friends retail stores and online.
The game partnered up with Paris Saint-Germain F.C. (PSG), a French professional soccer club, in 2019 to host Brawl Stars Ball Cup organized by PSG’s esports division. There were three online qualifier events and an online playoff event. The top two teams travelled to Paris for the finals. The finals were played live at PSG’s home stadium, Parc des Princes. All matches took place in Brawl Ball, a football-like game mode.
The game partnered up with PSG again in 2020 and 2021. During the partnerships, the game launched the Paris Saint-Germain Challenge. The challenges are similar to the championship challenges, but all matches are based in the Brawl Ball game mode. In 2020, the game offered a PSG skin for Shelly for players who won nine matches and lost four or fewer times. PSG’s esports division also has a team that competed in the 2020 championship challenge. In 2021, the game offered a PSG Mike skin for Dynamike