2D Shooter for Coursera

I created this by following along the second half of this Coursera course: https://www.coursera.org/learn/game-design-and-development-1. For some reason, the WebGL build kept failing (maybe because Im running Unity on Linux). I provided the Windows, Mac and Linux builds instead. I made the following modifications from the original instructions: The biggest change is how the ship moves - now the W/S (up/down) buttons control the engine throttle, and the ship is moved by engines force and drag, so the movement is more realistic.A different sprite has been used for the player ship which looks nic...