The Secret of Monkey Island (1990) - I have many a fond memory of guiding Guybrush Threepwood through his misadventures in this Lucasfilm Games classic. While I loved the King's Quest series, the constant dying was a bit annoying. Monkey Island was the first PC adventure game I played that completely did away with killing your character. Regardless of what you did (however stupid), you did not die and could focus solely on deciphering the game. Time well spent in my opinion.