The thing I'll never forget about King's Quest 4 was the interface. Unlike most other Sierra point and click games, KQ 4 made you type in everything you wanted to do. Like Zork, but with graphics. Being the randy 9 year old I was, of course the first thing I typed was a curse. Sierra, knowing damn well that just about everyone would do this, had funny reactions for just about every bad word my adolescent mind could come up with. Stuff like "This is a family game!".

Also amusing was commanding Rosella to undress. The game would respond "Rosella is not that kind of girl!"

Great game.