6 truths about the board game industry, and especially what it’s like for game designers (video):

https://www.youtube.com/watch?v=WpL8W863TDQ

“Given my choice, I’ll always design a boardgame that will be loved by some and hated by others rather than a game that will be seen in a mildly positive way by most. I want to make games that leave a lasting impression on those who play them, one way or the other.”
— Kevin Wilson

Three pieces of playtesting advice from Elizabeth Hargrave in under three minutes (video):

https://www.youtube.com/watch?v=k3zWuGTk27M

“Many published games go through hundreds of changes before they’re done. When people have criticism about your game they are not criticizing you as a person. They’re trying to help you make a better game.”
— Elizabeth Hargrave

Worker-placement games where more workers isn’t necessarily better—12 ways games handle it (video):

https://www.youtube.com/watch?v=TuymCqs-UgI

Building a brand in board games: setting expectations with the promise of your game and delivering on them, pitching it to publishers, connecting with players, creating a company, and more (video):

https://www.youtube.com/watch?v=nVzlLIdHe20

Four interesting examples of game design theory and how designers can use them in their games (video):

https://www.youtube.com/watch?v=Jn38jGiEdKc