“Recognize that not every playtester is in your target audience, but don’t dismiss their feedback because of that.”
— John Brieger
“If you’re struggling with a design, don’t be afraid to shelve it and work on something else. Listen to your heart. If you find yourself not wanting to play your prototype, take some time away to refocus.”
— Nikki Valens

Several ways to make a prototype game board (video)

“Everyone knows the first poems you write are bad, but you’ve got to get them out of your system. It’s true with game design too. Poets don’t get attached to their first efforts, and neither should you.”
— Chip Beauvais
“Please present complete and balanced product ideas. The art does not need to be complete – but for a game the mechanics do need to be complete. ”
— Shari Spiro