the novel was the inspiration for several video games. for the apple ii, online systems released "mystery house" in 1980. on the pc, the adventure company released "" in 2005, the first in a series of pc games based on christie novels. in february 2008, it was ported to the wii console. the game adheres closely to the novel in most respects, and uses some of its dialogue verbatim, but makes significant changes to the plot in order to give the player an active role and allow those familiar with the novel to still experience some suspense. the player assumes the role of patrick naracott (brother of fred naracott, who is involved in a newly created subplot), who is stranded with the others when his boat is scuttled. the killer's identity and motives are different, the means of three of the murders were changed (while still corresponding to the rhyme), and it is possible for the player to save two of the victims, with the game branching into four different endings depending on which of the two are saved.