Creating Kickstarter pledge levels that attract backers without overwhelming them:

https://boardgamedesigncourse.com/how-to-create-kickstarter-pledge-levels/

The value of being an active member of a board game design community (video)

Ways that game designers should think about “time”—beyond just game length (video)

How to request a quote from a board game manufacturer:

https://boardgamedesigncourse.com/how-to-get-a-board-game-quote-from-a-manufacturer/

Considerations when designing the math that underlies your game:

https://twitter.com/KevinWilson42/status/1323469064828846083

Important points to know if you want to be a professional board game designer (video)

Tips for using clearer language when writing rules:

https://twitter.com/DanielSolis/status/1322903733060206592

A discussion on narrative in games and how games can be used to tell stories (video)

Introduction to the graphic design process for board games (video)

A deeper look at games that use a “qualifier” mechanic, where each player must pass a certain bar in order to win:

http://www.gamesprecipice.com/qualifiers-ii/

Pointers for finding the right reviewers for your game:

https://boardgamedesigncourse.com/finding-the-right-board-game-reviewers-and-influencers-for-your-game/

Introduction to using Datamerge to easily create cards:

https://resonym.com/datamerge-the-basics/

Peggy Brown on the creative process and shutting out noise, pitching and defining opportunities, and more (audio):

https://toybook.com/peggy-brown-power-kid-podcast/

How to get involved with virtual playtesting groups (video)

See also: https://cardboardedison.com/playtest-groups

Notes on designing solo modes for board games (video):

https://virtualplaytesting.com/2020/10/gaming-for-one-designing-solo-modes-with-david-digby/

A thorough rulebook editing style guide:

https://cur.by/styleguide

Designing games with a strong focus on story and narrative (video)

What are megagames?

https://www.universityxp.com/blog/2020/10/22/what-are-megagames

Basics of escape-room design: narrative, puzzles, and more (video)

Board game designers share their favorite resources for people just getting started with design:

https://twitter.com/emmalarkins/status/1319447486390439936