Unity
Unity is a cross-platform game engine and development environment used primarily for creating 2D, 3D, VR, and AR games and interactive experiences. It provides a comprehensive suite of tools for graphics rendering, physics simulation, audio, animation, and scripting, with C# as its primary programming language. Unity supports deployment to over 25 platforms including Windows, macOS, iOS, Android, and various consoles.
Developers should learn Unity when building video games, simulations, or interactive applications across multiple platforms, especially for indie development, mobile games, or projects requiring rapid prototyping. It is ideal for teams needing a visual editor combined with C# scripting, real-time 3D rendering, and asset management, with strong community support and an extensive asset store.