As iGaming evolves, studios face a strategic choice between HTML5 and Unity for game development. HTML5 offers seamless cross-platform performance and browser-based access, making it a favorite for mobile-first and instant play experiences. Unity, meanwhile, brings rich 3D graphics and immersive gameplay but often demands more resources and heavier device loads. In 2025, the decision often comes down to scalability, target market, and innovation priorities. This article compares the pros and cons of each tech stack and what studios are betting on for the future of gambling games.