Adventure in Serenia
Sierra On-Line released Adventure in Serenia in the year 1982; it's an old fantasy adventure game, part of the King's Quest series.
Adventure in Serenia is abandonware, runs on DOS and can be played in single player mode.
It's available for download.
Adventure in Serenia downloads
Facts, trivia and collector's notes are licensed under the GNU Free Documentation License. These texts use material from this Wikipedia article.
Adventure in Serenia is a prelude to the King's Quest series in both story and concept (though chronologically set several years before King's Quest V). It was also the first adventure game released with full color graphics.