Devsisters, a publicly owned company headquartered in South Korea, was founded in 2007 and operates with approximately 300 employees. The company specializes in manufacturing and developing mobile entertainment and gaming applications, notably known as the developer of Cookie Run. Devsisters utilizes instant messaging platforms such as KakaoTalk and LINE for its offerings.
On July 2, 2026, Devsisters released the "Song of the Dragon Tongue" update for its mobile RPG *Cookie Run: Kingdom*, introducing a new Dragon-grade character and a battlefield with shifting rules as part of the second half of its continental-exploration arc. Previously, on May 28, the *CookieRun: Braverse* Trading Card Game unveiled new starter decks and legendary pets. This followed a partnership announcement on May 20 between KB Kookmin Bank and *Cookie Run: Kingdom* for a six-week "Bank in Game" collaboration event, targeting the mobile RPG's 90 million users, which ran until July 1. Earlier in May, the Cookie Run IP, encompassing titles like *Cookie Run Kingdom* and *OvenBreak*, reported over 300 million players globally. On May 11, food manufacturing platform Pulix joined Devsisters' "Cookie & More" dessert pop-up at Lotte World Mall as an F&B production partner.
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