Ouzel

Supports Windows, macOS, Linux, iOS, tvOS, Android, and web via Emscripten, enabling deployment across most modern devices from a single codebase, as evidenced by the comprehensive platform list in the README.

Uses separate threads for rendering, sound, and game logic to optimize performance, which is crucial for smooth gameplay on resource-constrained mobile and web platforms.

Includes scene management, animation with tweening, particle systems, and sprite rendering specifically tailored for 2D game development, as shown in the example code and features list.

Supports Direct3D 11, OpenGL variants, OpenGL ES, and Metal, ensuring compatibility with different graphics APIs across platforms, which enhances portability without sacrificing performance.