Here is the full list of all 9 DarkSpace achievements.
With joint effort of the Galaxy Force and Alpha fleet, DarkSpace fleet is defeated in solar system.
A mysterious enemy, maybe alien.
So basically, Alpha is 'brother' of our human.
Let's have a fair battle.
Now you have your design of battle ship, try something more creative.
Unlock them all.
Certainly will not be the last blood you took.
Win the battle, with all the help you can get.
Good design!