YORG.io is a kind of defence game based on zombies and supply chains. In this game, first of all, you need to build a base, and then you need to defend this base against zombies that spawn at night. You can provide protection for your base by building some defensive towers. For these towers, you need resources. Therefore, you should create a supply chain using processors and mines.
How To Play YORG.io
Firstly, you need to know you can move the camera by using your mouse, Arrow keys or W, D, S, A keys. In YORG.io, you generally use your mouse to build a base, place crystal mines, place a transporter etc. While upgrading, you can hold the Shift key in order to upgrade all of a building type. Also, you can max a building type out to the maximum affordable level by holding the Alt key. You can learn other keyboard shortcuts by clicking the keyboard icon on the screen.