I was attracted by the theme and the dynamics of this child/grandmother storyline. I "downgraded" graphics resolution from "Ultra" to the next lower one ("Very High"?) and had no issue moving the camera with the mouse and using the arrow keys to move around the scenery. The "I" emblem that shows you the direction your destination is in can confuse because it uses a bird's eye view instead of the path you need to follow... it was still fine after exploring my surroundings and get a sense of how to get ther...