In 2045, a UFO suddenly appeared in the solar system. It was immediately discovered by the earth and was identified as an extraterrestrial creature. The object then changes its orbit, rushing towards the earth, rushing into the atmosphere at a speed that human beings do not understand, turning itself into a meteor and burning into nothing.
The various sides of the earth responded differently, but someone created the Global defense company and began to use computer games to screen and train volunteers. This is the original version: the captain - the training.
This version contains 6 different types of spaceships and 4 main weapons. The enemy will drop the blueprint of item when shooting down, and the quality of each item are different.
Use your resources, choose your spaceship, become a captain, train yourself, feel the laws of the universe, improve your captain's skills, wait for the calling.

Functional characteristics
1. Real simulation of cosmic environment
2. Infinite development model (currently only developed to be able to mine asteroids)
3. Deeply Feel the Role of Gravity, Mass and Velocity
4. Hard-core science fiction games