Contressence

User summary: This rules-light storytelling game primarily is focused on the unusual setting. Humanity, as always, struggles with the positive influence of human nature trying to overcome the negative influence of animal nature. An alien species, known as the Wangars, have infiltrated earth. Wangers genuinely believe that human nature (as opposed to animal nature) is detrimental; they embark on a program of behavioral modification to eliminate human nature.