For all the countries, they can use all their weapons, including those of mass destruction and nukes, and they have the military and political ideologies to help them win.
For the Horror characters, they can use their abilities, too.
The battle takes place in the Middle East.
Team Geopolitics: All countries in the Americas, Europe, Africa, Asia, and Oceania, United Nations, NATO, European Union, Eurasian Union, Capitalism.EXE, Communism.EXE, Nazism.EXE, and Fascism.EXE.
Team Horror: Slashers, Cthulhu Mythos, Creepypasta, SCP, the Backrooms, Trevor Henderson, Indie horror, and as a bonus, Bill Cipher, and Lord English are also going to participate in the battle, too, on the side of team horror.