The visual novel Rattenwalzer is a story about the human willpower that regardless of sufferings and terrors lasting thousands of years has kept its beautiful nature. This visual novel comprehends such matters as the nature of the human and machine mind as a combination of the conscious and subconscious, coming of age and searching for personal happiness, the origin of interpersonal conflicts, hatred and violence, the willpower and strength to stay human even in the darkest of times.