Games every designer should play to become familiar with the breadth of modern gaming:
Data on the $1 reward level and Kickstarter success:
http://gotgeniusgames.com/kickstarter-stats-101-1-reward-level/
Ways to find inspiration for designs:
http://boardgamegeek.com/blogpost/35005/how-build-game-17-develop-inspirational-resources
The purpose of expansions:
http://boardsandbarley.com/2014/10/21/the-purpose-of-expansions/
Paid and free ways to drive traffic to your Kickstarter:
http://www.albinodragon.com/blog/how-to-get-your-kickstarter-seen-by-the-masses/
750 free icons, courtesy of Google:
https://github.com/google/material-design-icons/releases/tag/1.0.0
The merits of dice:
http://lawofgamedesign.com/2014/10/20/theory-using-dice-as-a-design-tool
