Does your kid come up with new game ideas, make their own card games, or suggest new rules for games you already play? (engagedfamilygaming.com)
Those attempting to establish rules for the game need our constructive criticism; the play has become malevolent, and the clock is winding down. (climateaudit.org)
Only after you've devised a set of rules for your game, can you call it «game design.» (shmuplations.com)