The space store is a place where you can spend your dark matter.
Ways you can spend Dark Matter
1DM = 10,000 Metal
1DM = 6,500 Crystal
1DM = 3,500 Gas
You can also hire commanders.
Commander: Enables the construciton or upgrading of two buildings simultaneously while also reducing construncion and upgrading time by 10%
25 DM = 1 Week 100 DM = 1 Month 250 DM = 3 Months 900 DM = 1 Year
Technocrat: Technocrat increases your espionage tech by 2 levels, reduces tech research time by 25%
20 DM = 1 Week 80 DM = 1 Month 200 DM = 3 Months 750 DM = 1 Year
Geologist: Increases resource production rate by 10%. Affects all resource types.
25 DM = 1 Week 100 DM = 1 Month 250 DM = 3 Months 900 DM = 1 Year
Admiral: increases the maximum size of your fleet by 2 ships and reduces defense unit construction time by 10%
20 DM = 1 Week 80 DM = 1 Month 200 DM = 3 Months 750 DM = 1 Year
Engineer: in the event of defeat, you will remain in contron of 50% of your defensive units, adds 10% to nuclear power production.
10 DM = 1 Week 40 DM = 1 Month 100 DM = 3 Months 375 DM = 1 Year