Thoughts on opacity and transparency in board games:
http://gil.hova.net/2014/03/10/vision-quest-transparency-vs-opacity-in-a-board-game/
Tips & Resources for Board Game Designers
Thoughts on opacity and transparency in board games:
http://gil.hova.net/2014/03/10/vision-quest-transparency-vs-opacity-in-a-board-game/