You can know make a sequel/continuation to any game, if it already has a sequel then you can retcon it.

I’ll go first. Dragon’s Lair 2: escape the lair.

After Dirk defeats singe the Dragon and rescues Princess Daphne he realizes that he must now go BACK through the lair to escape while keeping the newly princess out of harms way!

Armed with nothing but his wits, skills and the magic sword he used to slay the Dragon can he make his way out of the castle and to safety?