sentences:  Lowell Percival who is introduced here, also appears in "Killing Moon", as does Mac Malden, who appears in both "Killing Moon" and "Pandora Directive".Unlike the more experimental "Mean Streets", "Martian Memorandum" adheres to the genre conventions of the point-and-click adventure game.The gameplay style is based on interrogations, gathering information which "unlocks" new destinations and interrogation options.