A Mosaic Earth I'm working on. Full list of confirmed territories:
1983: Doomsday: Australia (what's left)
A More Perfect Union: What's left of America (south of OTL US-Canada border); American West Africa
Affilated States of Boreoamerica: Upper Country (south of OTL US-Canada border), Illinois, Ohio, Allegheny, Iroquois, West Connecticut, Carolina, Watauga, Cherokee, Labrador, all Caribbean possessions
Ĉio Sub la Steloj (my owh FHTL): Canada south of 55°N and west of OTL Quebec; Japanese Sakhalin and Kuriles
Golden Island to the West: California
Hatsunia: Hatsunia minus the western island
Lone Star Republic: Texas and Coahuila Commonwealths
Of Droughts and Flooding Rains: All Australian states except Australasia
Oh I Wish I was in Dixie: What's left save Virginia and North Carolina
Our Fair Country: New England
Overwatch: Watchpoint: Gibraltar, including all heroes
Super Mario Odyssey: New Donk City, placed near Staten Island
The American Dream: Quebec and Montreal, coterminous with OTL Quebec and south of 55°N; Singapore
The Legend of Zelda: Breath of the Wild: Hyrule, enlarged and placed in southeast Africa
Tomorrow Country: Canada north of 55°N; Mandatory Australia
Union of American Realms: Transylvania, Gerogia, West Florida, East Florida, Mayaimi
More are planned, including some from
Hail, Britannia,
Thousand Week Reich, and
We Will Conquer the World!.