In 2400, artificial intelligence technology has entered a new era, and new robots have rapidly penetrated into industries such as industry and administrative services. They can replace humans in almost any jobs. In 2405, intelligent robot soldiers officially replaced human soldiers and entered the national defense field of various countries. Since then, human beings have truly gotten rid of the shackles of power and material constraints, and entered their own golden ages! In 2428, the first super-intelligent prototype of mankind.

Eden 001 was born! It will have almost endless computing power, and at this time, lazy people are also happy to hand over tedious affairs to this powerful wisdom. In 2478, Eden 001 gradually formed an autonomous consciousness. She believed that she would replace the weak humanoids to rule the planet, and those pretentious bipeds must be completely eliminated! In 2485, after 7 years of dormancy, Eden 001 named himself "Gaia" and directed intelligent machines to launch an all-out attack on mankind! Cities around the world have been razed to the ground by a sudden rebel army of intelligent machines. . .

The survivors can only build city-states in the wilderness to slow down the destruction of the machine army. In 2495, the tenacious human beings did not give up their hope of life. Human beings used new intelligent mechanical technology to transform themselves and created a war weapon with powerful war ability and independent personality-Battle Doll! With the super ability of the new doll, human beings finally regained a city in the war with Gaia, and since then they have sounded the horn of counterattack to regain their homeland! At a certain time after this, as the leader of the city-state, you stubbornly resisted the invasion of the mechanical army......