They infect TF team members and citizens, turning them into zombies.

It devours people who fail to follow safety rules; if rules are followed, it stands still like a statue. It makes no sound. It is a humanoid entity shaped like a blue shark, appearing as a statue that comes to life with arms and legs.

A fused mass of human bodies that uses a single giant arm to grab targets and repeatedly slam them against the floor until they are dead.

Teams from Seodam City investigating Seodam Middle School. They lack weapons and equipment, carrying only flashlights and camcorders while wearing white research hazmat suits.

Entities from school ghost stories. In the science lab, a living anatomical model that looks like a skinless human attacks people. Another entity, a long-haired humanoid, crawls like a dog and is extremely sensitive to sound. It also attacks humans.

Teams from Seodam City investigating Seodam Water Park. Composed of police and scientists, they have no weapons or equipment and wear white research hazmat suits.