
The community expansion that adds a ninth town, new creatures and artifacts to Heroes III.
0 playing nowAdds the Cove town, new creatures, artifacts, maps and a campaign, with online play, to Heroes of Might and Magic III.
Horn of the Abyss is the largest Heroes III expansion, with years of work from the HotA Crew. It adds the Cove, a new campaign, more creatures, artifacts and map objects, plus online multiplayer. Version 1.8.0 is a standalone setup executable which finds your Heroes III copy and installs HotA beside it.
Install with the PlayBound Launcher
The launcher installs this into ./ for Heroes of Might and Magic III: Complete. If the base game is missing, it will install that first.
Install Heroes of Might and Magic III: Complete first if you have not already — Horn of the Abyss is an add-on and needs the base game.
The quickest route is the PlayBound Launcher: open Heroes of Might and Magic III: Complete, find Horn of the Abyss in its mods list and press Install. The launcher downloads the official release and places it in the right folder for you.
To install it by hand, download the archive directly from https://heroes3towns.com/HotA/HotA_1.8.0_setup.exe.
Extract the archive into the "." folder inside your Heroes of Might and Magic III: Complete installation directory.
Start Heroes of Might and Magic III: Complete and enable Horn of the Abyss from the in-game mods or add-ons menu. The download is roughly 342 MB.
Yes. Horn of the Abyss is released under Freeware fan mod and costs nothing. Neither it nor Heroes of Might and Magic III: Complete has any paid content.
Heroes of Might and Magic III: Complete, which is itself free. Horn of the Abyss is an add-on and will not run standalone.
The PlayBound Launcher installs it in one click from Heroes of Might and Magic III: Complete's mods list. You can also install it by hand — full steps are on this page.
Roughly 342 MB, on top of the base Heroes of Might and Magic III: Complete installation.