The East Asian videogame livestreaming market is a mature and culturally distinct ecosystem where competitive esports serve as the primary engine for audience engagement. During the first half of 2023, MOBA and Battle Royale titles accounted for over half of the region's most-watched content. While established franchises like League of Legends maintain a dominant presence, the market is increasingly shaped by the influence of Key Opinion Leaders and VTubers. These creators contribute up to 15% of total viewership for major titles and have demonstrated the power to revitalize older games such as Minecraft and Escape from Tarkov. Regional preferences reveal a bifurcated landscape where specific titles command massive scale. In China, Honor of Kings remains the undisputed leader with 5.67 billion views, while VALORANT and Apex Legends dominate the Japanese and Korean markets, each surpassing 100 million hours watched. The barrier to entry for new releases is high, as only high-profile 2023 titles like Diablo IV, Honkai: Star Rail, and Street Fighter 6 managed to break into regional top-ten rankings. The rapid ascent of Honkai: Star Rail in China notably came at the expense of Genshin Impact, which saw a 31% decline in viewership as audiences shifted toward the newer release. The integration of granular streaming analytics and market intelligence is essential for navigating this complex environment. By tracking metrics across platforms such as Twitch, YouTube, and AfreecaTV, stakeholders can monitor audience retention and demographic shifts. This data-driven approach highlights the volatility of the market, evidenced by the 68.5% decline in Splatoon 3 viewership following its launch period. Understanding these dynamics—ranging from the professional esports circuit to the rising prominence of virtual avatars—is critical for identifying growth opportunities and executing successful market entry strategies across Asia.