
Mermaids is set in an underwater world in which players take the roles of hatchlings coming to life in the ruins of a long-extinct mermaid culture. The over-arching goal and storyline is to rebuild their lost culture and reclaim the various skills and cultural practices (such as magic), while at the same time trying to avoiding the mistakes that caused the extinction of their ancestors. Players will quickly discover that in order to survive, they must also revive the damaged ecosystem, and ultimately learn to work with it in a harmonious fashion.
Mermaids has four primary design credos that the team was given as its “high-level” design constraints: