Code Vein features a unique blood-based ability system, where players can collect and mix different types of blood to create powerful new abilities. The game also has a strong focus on character customization, allowing players to craft their own unique characters with a wide range of skills and equipment.
The game takes place in a world called Reimuru, which was once a human settlement but is now overrun by monsters. Players must explore the ruins of civilization, fight against the monsters, and uncover the secrets behind the virus that wiped out humanity.