True. Infocom games were largely fair, but difficult as they grew out of MIT geek culture where the level of puzzle solving was high. It's the lesser efforts fr

True. Infocom games were largely fair, but difficult as they grew out of MIT geek culture where the level of puzzle solving was high. It's the lesser efforts from companies like Sierra that used "moon logic" puzzles that literally nobody could solve other than either by luck or by buying expensive hint books.