The game world is an Earth-like planet, where the continents are arranged like on Earth. There are seven continents.
This planet also has a moon and seven neighboring planets. There are the same animals that are on Earth, and there were even dinosaurs. The planet has the same history as Earth as well, and by the time it was discovered in the year 3000 on Earth, this planet was already the same age Earth was when humans appeared.
The people who discovered the planet settled on its moon. 50 people were on board the ship when it landed, and there was also a large capsule containing 160 frozen adult humans whose brains had been manipulated so they had the skills and knowledge of people from 3000 BCE. This experiment was intended to test the “magic number” for space pioneers.
The capsule was launched and it landed onto the surface of the Earth-like planet, in a desert by the planet's equator. Upon landing, the humans inside were thawed out and began to build villages. Every 10 years, the scientists from the moon would secretly check on the Earth-like planet's human population, and history on the planet played out in much the same way as on Earth. The scientists who checked on the population had an underground base on the moon to hide from an inevitable space program, and there was also an underground city so the scientists could have kids who would grow up to be like their parents, which was the same for every generation living in the underground base.
How do you like this game world/backstory? Any feedback?