The difference between 2D and 3D games in Unity

With Unity you can create 2D and 3D content separately, use 2D and 3D elements in the same project, or make a 3D game simulate a 2D view in 2.5D.

Unity Solutions for 2D

Unity - Manual: 2D or 3D projects

Master The Fundamentals Of Game Development And Learn How To Create 2D And 3D Games With Unity Game Engine

Unity Game Development: Create 2D And 3D Games With C#

3D vs. 2D Games: Prices, Platforms, and Pros & Cons

2D Vs 3D Games 5 Biggest Differences Between 2D & 3D Games

Difference Between 2D and 3D Animation

Is it 2d or 3d? : r/unity

Unity - Manual: Gameplay in 2D

2D vs 3D Game Development: Know the Major Differences

2D vs. 3D Games, What's the Difference? - Polydin

Developing 3D Games with Unity 5 — SitePoint

Unity VS Unreal Engine For 2D And 3D Games Development

How to Get Started with Unity 2D Game Development