For me the test is “does this rule make me want to play this game right now?”
Quotes by Mike Selinker
A beautiful mechanic makes you talk of it like it played the game for you. It’s a part of your experience—a vector for your imagination.
Protecting a brand also means making sure that the game is covered with expressions of brand identity. […] When pressed, I would say, “The more logos a game has, the worse it is.”