Infection Point is a quarter view Hack and slash zombie hunting game.A gas leak occurs in the city.The main character arrives at a skyscraper that reads "The One" to determine the cause of the accident.What happened in this building?

Infection Point is a quarter view Hack and slash zombie hunting game.A gas leak occurs in the city.The main character arrives at a skyscraper that reads "The One" to determine the cause of the accident.What happened in this building?