Generating content such as effects and player powers for your game: a process for creating it, games that do and don’t need it, “free” design space, and more (video):

https://www.youtube.com/watch?v=z1oeWTSz26M

A process for figuring out what it is about your game that’s going to hook publishers and players (video):

https://www.youtube.com/watch?v=cGMGdiar1J0

Game designer Cole Wehrle on player agency, emergent storytelling, and what it's like to make and play long, heavy games (video):

https://www.youtube.com/watch?v=5_Dz5rUUUBY

Turning a bad sell sheet into a good one (video):

https://www.youtube.com/watch?v=Uew1LKp3Mwo

What is a eurogame? (video)

https://www.youtube.com/watch?v=6h8ZDJPVrkI

Recommendations for 10 games to play if you want to get into designing board games (video):

https://www.youtube.com/watch?v=-gQ9Qd22qJw

Countering arguments against self-publishing by noting the overlap between game design and core publisher responsibilities (video):

https://www.youtube.com/watch?v=Tdzmkc4qQ7w

An in-depth discussion about all the ins and outs of designing, prototyping, and testing party games (video):

https://www.youtube.com/watch?v=QBxqe2BOi-g