While a Russian site, they frequently host English versions or fan-made English patches. Internet Archive (Archive.org):
The game is known to be unstable on modern hardware. horde 2 the citadel english download
: The engine supports huge battles where over 400 units can clash simultaneously. While a Russian site, they frequently host English
The publisher, Buka Entertainment, is no longer active, and the rights to the game are likely in legal limbo. Without a rights holder to clear the intellectual property, digital storefronts cannot legally sell it. While a Russian site
Do not use shady EXE files. You are looking for a single map file (usually 2MB to 8MB). Search for: