In this tutorial, we look at the XOR controller that’s available via logic bricks within the Blender Game Engine. This gives you a lot of power via the menu system that would normally be reserved for programmers.
Source
![UPBGE – [ C13/30] Creating planetary space exploration (Alien Creation / @joyack3d )](https://i.ytimg.com/vi/b-SjkfNZE3g/hqdefault.jpg)
Blender Tutorial – The Powerful XOR Controller in the Game Engine