The New Order: Last Days of Europe, an alt-history mod for Hearts of Iron 4 set in a world where the Axis achieves a total victory in the Second World War, and then everything goes From Bad to Worse.
Führerreich: Legacy of the Great War, a Spinoff of Kaiserreich based on a fictional alternate history book inside the Kaiserreich world where Germany lost WW1 but had a radically different result than our timeline.
Krasnacht: Twilight of the Gods: The Cold War is between the International Workers Armed Forces (formely, the International) and the Saratov Pact (an alliance of European far-right countries led by Russia).
Kalterkrieg: Shadow of the Weltkrieg: The Cold War is between the Entente and the Reichpakt.
Two non-official sequels of Kaiserreich imagining an alternate Cold War between the victors of the alternate WW2:.