Game: Krasnacht, a mod for Hearts of Iron 4
Post title: New Ideology idea: Situationism. Born out of the ashes of the Second Weltkrieg, this semi-anarchist movement of avant-garde artists believes in socialist art as the only road to victory against the Bourgeois & Reactionary nations known as "The Spectacle"
Kaiserreich, The New Order, and Equestria At War.
I was gonna say Old World Blues instead of Equestria at War, because idk if My Little Pony war simulator mods can really be considered alt-history. I hear it's well made though 🤷♀️
All fiction is alt history with the right mental gymnastics.
Red Flood is pretty good, if far from finished.