2D Physics Examples. This project contains multiple scenes which are designed to provide both examples of features as well as having the additional benefit that they can be used by QA. Where a new feature is introduced into the project, a new branch will be introduced. Earlier Unity versions are therefore represented in branches. Feb 05, 2020 · This sounds like a great project for school, and Unity is a great engine to use to meet your goal. Like Joe said, there's not much difference between 2D and 3D, especially for something like a board game. Unity is the ultimate real-time 2D, 3D, AR, & VR development engine. Download Unity to start creating today and get access to the Unity platform and ecosystem.