Complex sentence: The layout of this "all alike" maze was fixed, so the player would have to figure out how to map the maze; one method would be to drop objects in the rooms to act as landmarks, enabling one to map the section on paper.
Split into simpler sentences: The layout of this "all alike" maze was fixed, so the player would have to figure out how to map the maze. One method would be to drop objects in the rooms to act as landmarks, enabling one to map the section on paper.