Unity, the popular "build once, deploy anywhere" 3D game engine, is going 2D. At the company's UNITE conference in Vancouver this morning, CEO David Helgason announced three things: official ...

If you're unfamiliar with Unity, it's easily the most popular game engine around—especially for small-scale indie developers making both 2D and 3D games.

The tutorial was originally recorded at Boston Unite 2015 and shows players how to build a two-player tank shooter game that can be controlled with a single keyboard.