“Watch body language during play. Players leaned in toward the the game signals engagement. Leaned out = bored.”
— John Brieger
“Try changing a rule, adding something to your game, or taking something away. Even one small tweak can make the difference between a game that’s good and a game that everyone can’t wait to play again.”
— Joe Slack

Handy tools for making prototypes (video)

“don’t just do whatever other people suggest but also don’t completely disregard proposed answers just because you think they won’t work. think about what it is they’re addressing and come up with something that fits better.”
— Daniel Newman
“You haven’t tested your game enough. You can never test your game enough.”
— John Brieger