The Reich is invading Europe! As a commanding officer, it is your job to stop them from reaching their goals. They have tanks and planes, you must stop them with defensive turrets that you have to command and lay in strategic places or all hope is gone.
The Human dominion colonizes the first planet system outside its home worlds in the solar system. A suitable location is chosen on the distant cluster of Haven Prime. Defend and show what you're capable of.
In year 2222, people invented a portal. In year 2281, the first habitable planet is found. Its colonization is made through portals and it turns out that humans are not the only sentient race in the universe..