World War VI

Alliance of the Allied Entente Powers (AAEP)

 * Matora (Matoran Protectorate) (MTR)
 * Russia (Russian Empire) (RUS)
 * Serbia (Kingdom of Serbia) (SRB)
 * United Kingdom (United Kingdom of Great Britain & Ireland) (GBR)
 * United States (United States of America) (USA) (after the Bombing of Pearl Harbor)

Central Axis Alliance (CAA)

 * Austria-Hungary (Austro-Hungarian Empire) (AUS)
 * Bulgaria (Tsardom of Bulgaria) (BUL)
 * China (Qing Dynasty) (CHN)
 * Germany (German Empire) (GER)
 * Hathoria (Kingdom of Hathoria) (HTR)
 * Italy (Kingdom of Italy (ITA)
 * Japan (Empire of Japan) (JPN)
 * Ottoomania (Ottoman Empire) (OTO)