Reviewers see Unity as approachable yet capable: easy to learn, backed by strong tutorials, documentation, community help, and an asset store that speeds development. They repeatedly praise its flexibility for 2D, 3D, mobile, VR, and cross-platform work, with C# making it accessible for beginners and solo developers. The main complaints are editor sluggishness, slower play mode, and weaker performance on very large or highly realistic projects, plus concern about licensing changes. Makers of
Nomie also say it powers their open virtual world.