Suggestion: Perks.
There will be 3 genres of perks, 5 in each genre. You can only pick one from 1 genre, totalling a total of 3 perks.
Planet:
Atmoeven (better weather and temperature means better for people to live)
Volcanillion (volcanos (if any) can attack enemy raiders at a 25% rate, can be upgraded 2 times)
Recourcebags (+50% recource gain)
Motherland (Takes 150% of time to overtake)
Moneybags (Items cost 75% of actual cost)
Ships:
Carbonite (+25% ship health)
Captain Special (75% of special recharge time)
Pointaspikey (Projectles penetrate at a 25% rate, can be upgraded 2 times)
Eaglesnipe (+25% accuracy)
Forcefully (50% knockback rate)
Other:
Bob Builder (Building is 25% faster)
Bonkee (25% stun rate for heavy cannon-kind weapons)
Wimpy (Allows combat escape with restoring 25% of damaged ship health, if damaged below 25%)
RAT-AT-AT (+25% of firerate for specific weapons)
Zero Gravity (-25% of weight for ship equipment, can be upgraded 2 times)
Sorry for not placing them in more fitting genres, feel free to alter it, or add more.