This study aims to analyze the digital marketing strategies in the interactive entertainment industry and to conduct an in-depth discussion using Valorant as an example. With the advancement of technology and the change in people’s online habits, digital marketing plays an increasingly important role in the interactive entertainment industry. Understanding consumer behavior and intentions can help reflect and improve advertising and related fields. By distributing questionnaires to collect and analyze consumers’ attitudes and reactions to different marketing strategies, the study finds that the synergy between digital marketing and outdoor advertising significantly increased brand awareness and user engagement. Social media advertising attracts potential users, while outdoor advertising enhances brand visual impact and loyalty. Through the analysis of the successful “Valorant” case, this study reveals the critical factors of digital marketing in user acquisition, retention, and stickiness. It explores these strategies’ replicability and innovation in other interactive entertainment products. Meantime provides a valuable empirical reference for the industry.