Definitely check out Dav site! He has lots of quality content.
What is the name of your Youtube channel? Would be interesting to have a look at it :). I am currently doing 2 courses on Coursera, which go through gamification and serious gaming concepts. Both really recommended.
https://www.coursera.org/learn/serious-gaming
https://www.coursera.org/learn/gamification?=
In Youtube there is this channel called Gamify, which focusses on gamification elements. Sometimes rather simpe, but good to start with
https://www.youtube.com/c/GamifyChannel/videos
Good luck!