Unlocks the Kremlin World Wonder.
Tier 1 Edit
Academy of Sciences Edit
Each City increases Science costs of Technologies by 4% (instead of 5%).
+6 Tourism in each City.
Universal Healthcare Edit
+1 Happiness from each National Wonder and Guild.
Double Agents Edit
+2 Spies and Spies are twice as likely to kill enemy Spies when stationed in your Cities.
+1 Food from Farms and Terrace Farms..
Iron Curtain Edit
+4 Production from Internal Trade Routes.
Five Year Plan Edit
+1 Production from each Mine and Quarry. +4 Production from each Manufactory.
Red Army Edit
+12% Combat Strength for Gunpowder Units adjacent to another Gunpowder Unit.
Tier 2 Edit
[Prereq: 2x Tier 1]
Workers' Faculties Edit
Socialist Realism Edit
+50% Tourism to Civilizations with less Happiness.
Reduces Unhappiness from Ideology pressure by 75%.
Patriotic War Edit
+33% Production towards Gunpowder units.
Party Leadership Edit
+3 Happiness per City.
Tier 3 Edit
[Prereq: 2x Tier 2]
Spaceflight Pioneers Edit
Cultural Revolution Edit
The Empire gains bonus % for Great Musician points equal to its Production output.
Satellite States Edit
+4% Food and Production in all Cities for each Courthouse in the Empire.
Ministry of Railways Edit
+25% increased Production boost from Railroads and +3 Happiness for each City connected to the Capital by Railroads.