User Summary, information details from Wikipedia:
One of the few C64 only games by Ultimate Play the Game, Blackwyche is a sequel to The Staff of Karnath and Entombed, and featured the same aristocrat adventurer Sir Arthur Pendragon.
Blackwyche is a 2D side-view scrolling adventure game in which the player walks around a haunted ships, avoiding ghosts and monsters and trying to solve the ship's mystery by picking up and using objects in different ways. As a weapon, Pendragon has a sword he can swing, which will deter some enemies from coming close."
Info source: Wikipedia, "Blackwyche," available under the CC-BY-SA License.