This is a video to prepare a video series on multiplayer. As a start you need to know which online multiplayer engines are out there. If you are a unity developer. Photon and Unet are two different solutions for unity. I will deep dive in these two solutions and will conclude, which one to choose.
I will also help you to get through the product jungle of photon and unity.
Photon Homepage: https://www.photonengine.com/
Unity: https://unity3d.com/de/unity/features...