The gaming industry has experienced significant growth, with the global market rising from $93.6 billion in 2016 to $193.4 billion in 2021, and it is projected to reach $210.7 billion by 2025. As a result, gaming companies face the challenge of processing massive amounts of real-time data generated by millions of players interacting in online environments. DeltaStream offers a solution by providing a scalable, low-latency platform for real-time stream processing, leveraging technologies like Apache Flink and RedPanda for efficient data handling. This platform supports various use cases, including maintaining up-to-date leaderboards using SQL and Materialized Views, and managing player behavior by identifying those who frequently leave games early. With its capability to act as both a streaming database and analytics tool, DeltaStream enables game developers to unlock real-time insights and improve player experiences.