See on this link all new features and additional content of Power & Revolution 2020 Edition:
http://www.power-and-revolution.com/store_p20.php
If you already own the Power & Revolution 2019 Edition game, get a big discount on the price by buying the Bundle "Power & Revolution 2020 + 2019 Edition Bundle"
and also benefit from the price reduction during the first week launch!
Additional information: if you already own the God'N Spy or Modding Tool DLCs of Power & Revolution game , they will automatically be taken into account and still active in your new Power & Revolution 2020 Edition game.