A memory game - Starts easy enough for anyone to enjoy, but gets challenging quickly. - The hippocampus is the part of the brain…A memory game - Starts easy enough for anyone to enjoy, but gets challenging quickly. - The hippocampus is the part of the brain responsible for memory. If your Hippocampus is working well, you'll be able to match these toggle patterns by clicking, tapping and swiping to change the colors.