Patches and hotfixes are free updates for Hearts of Iron IV, though they are different in purpose. It really depends how you want to play, which country you are and terrain. Brazil Patch, Mod feito em cima do Millennium Dawn. Millennium Dawn gives you the possibility of starting in 2000 or 2016 as one of the 200+ countries or sovereign entities in the world and guide it towards possible greatness or infamy, with a choice between 12 unique ideologies.