Its a shitpost meme from 4chan referencing a BBC erotica book with a synopsis similar to the one in the meme.
The year is 2045. Norway lives under SWEDISH RULE. All Norwegian men are fed hormones, sissified, and dominated. Norwegian women are breeding stock for Swedish alphas.
‘GAME OVER, NORWEGIAN BOY!’
Fallout New Vegas version
The year is 2045. New California lives under LEGION RULE. All NCR men are sissified, and dominated. Californian women are breeding stock for LEGION alphas.
‘GAME OVER, NCR BOY!’The year is 2281. The Mojave lives under CEASARS LEGION RULE. All NCR men are fed hormones, sissified, and dominated. NCR women are breeding stock for LEGION alphas.
‘GAME OVER, REPUBLIC BOY!’Cyberpunk 2077 version
The year is 2077. Night city lives under ARASAKA RULE. All chooms are fed hormones, sissified, and dominated. Night city women are breeding stock for Arasaka alphas.
‘GAME OVER, CHOOM!’Elder Scrolls
The year is 201 of the fourth era. Skyrim is under NORD RULE. All mer are fed hormones, sissified, and dominated. Imperial women are breeding stock for Nord alphas.
'SKYRIM BELONGS TO THE NORDS, MILK DRINKER'The year is 400 of the third era. Morrowind is under DUNMER RULE. All Argonians are fed skooma, sissified, and dominated. Argonian women are breeding stock for N'walphas.
'MORROWIND BELONGS TO THE DARK ELVES, HISTCEL'.Byzantine & Ottoman
The year is 1453. Byzantium lives under OTTOMAN RULE. All Greek men are fed hormones, sissified, and dominated. Greek women are breeding stock for Turkish alphas.
‘GAME OVER, BYZANTINE BOY!’
Old England
The year is 1066. England lives under NORMAN RULE. All English men are fed hormones, sissified, and dominated. English women are breeding stock for Norman alphas.
'GAME OVER, SAXON BOY!'65 million BC
The year is 65 million BC. The Earth lives under MAMMAL RULE. All dinosaurs are fed hormones, birdified, and dominated. Sauropsid women are breeding stock for synapsid alphas.
'GAME OVER, ARCHOSAUR BOY!'