Heroes of Might and Magic III cover art
Heroes of Might and Magic III. Heroes of Might and Magic III artwork © Ubisoft, via IGDB. Unofficial site, not affiliated with the publisher.
PC port · Windows → PC

VCMI (open-source Heroes of Might and Magic III engine)

A free, open-source remake of the Heroes of Might and Magic III engine for Windows, Mac, Linux, Android and iPhone, with HD resolutions, mods and online multiplayer. Needs your own Heroes III files.

WorkingEngine rewriteNeeds your own copyWorks on phonesv1.7.5Updated

You need your own copy of Heroes of Might and Magic III. This port only runs with files from a copy you own; there is no download or play button here. No copy? These play in your browser right away, no files needed: BO1 Zombies (vel.gg), GTA 3 Online (quenq III Web), The Simpsons: Hit & Run WASM.

What you need

Original Heroes of Might and Magic III data files from your own copy: the GOG offline installer (recommended) or an existing Complete or Shadow of Death installation. Runs on Windows, Mac, Linux, Android and iOS.

Official releases ↗GitHub repository ↗

We do not host any files. Only download from the project's official source.

Every version of Heroes of Might and Magic III 2

  1. VCMI (open-source Heroes of Might and Magic III engine)This page

    WorkingEngine remake

    Heroes of Might and Magic III engine rewrite with HD, mods, multiplayer and Android support.

    Runs on Windows 7 SP1 or later (x64, x86, Arm64), macOS (Apple silicon and Intel), Linux (AppImage, Flathub, PPA)Needs files from a copy you own★ 6k1.7.5 · Aug 15, 2026

    Website ↗

  2. homm3-decomp

    ActiveDecompilation

    Matching decompilation of Heroes of Might and Magic III

    ★ 26toolchain-vc6-sp3 · Jul 23, 2026

    GitHub ↗

We link to each project's own page and host no game files. Version data from project pages, our daily checks and awesome-decomp-games (CC0).

Short answer

VCMI is a free, open-source remake of the Heroes of Might and Magic III engine for Windows, macOS, Linux, Android and iOS, with HD resolutions, mods and online multiplayer. It needs the data files from your own copy of Heroes III; the GOG installer is the easiest source. Latest release: 1.7.5, 15 August 2026.

This site is not affiliated with the VCMI team or Ubisoft. We do not host any files and only link the project’s official pages.

What it is

Heroes of Might and Magic III came out in 1999, followed by the Armageddon’s Blade and Shadow of Death expansions. The original runs only on Windows (an old Mac version aside), at its original resolution unless you add community patches.

VCMI is “an open-source recreation of Heroes of Might & Magic III engine, giving it new and extended possibilities” (VCMI README). The project rewrote the engine from scratch and reads the graphics, sounds, maps and campaigns from your Heroes III files. The FAQ stresses the difference from popular community projects: “Unlike HotA and WoG, which are mods for the original Heroes of Might and Magic 3, VCMI is a full-fledged remake.” Its AI is entirely new.

The repository dates from April 2014; the project itself is older and has been actively developed for well over a decade.

Current status

  • Status: Working. Major releases come about three times a year, with daily builds for testers.
  • Latest release: 1.7.5, 15 August 2026. Saves from 1.6 can be loaded in 1.7.
  • Official builds: Windows (x64, x86 and Arm64 installers), macOS (Apple silicon and Intel), Linux AppImages (x64 and Arm64) plus Flathub and an Ubuntu PPA, Android APKs and an iOS IPA.
  • Android: also on Google Play and F-Droid.

What you need

  • Heroes III data files from a copy you own. The Windows installation guide recommends the GOG offline backup installer (an .exe plus a .bin file), which the VCMI Launcher can unpack for you. An existing Complete or Shadow of Death installation works too.
  • A device: Windows 7 SP1 or newer, a Mac, Linux, an Android phone or tablet, or an iPhone or iPad you can sideload apps on.

We do not link any copies of the game data. Heroes III is sold on GOG and, as the HD Edition, by Ubisoft.

How setup works (overview)

  1. Download VCMI for your system from the latest release, or install it from Google Play, F-Droid or Flathub.
  2. Start the VCMI Launcher and pick your language.
  3. Import your Heroes III files: either select the GOG installer .exe (the matching .bin is found automatically), or let the launcher detect an existing installation. If detection fails on Windows, copy the Data, Maps and Mp3 folders into Documents\My Games\vcmi and press Scan again.
  4. Finish setup in the launcher, optionally install recommended mods, and start a scenario, campaign or multiplayer game.

The README links separate guides for macOS, Linux, Android and iOS, and one for the Heroes Chronicles games.

What it adds

  • Any resolution and scalable interface on every platform, including phones.
  • Online multiplayer through a global lobby, plus hot-seat and LAN games.
  • A new AI written for the remake.
  • Mods in VCMI’s own format, installed from the launcher. The FAQ says some features of HotA, WoG and HD Mod have been partly ported as VCMI mods, with fuller versions planned.
  • Touch controls on Android and iOS.
  • Translations maintained on Weblate.

Other versions

The only other Heroes III project in our list is homm3-decomp, an early decompilation of the original executable. It is a research project, not something you can play. For the original game with community fixes, HD Mod and Horn of the Abyss run on Windows on top of the Complete edition; those are mods, not ports.

Common problems

  • Launcher cannot find the game: use the GOG installer import, or copy Data, Maps and Mp3 into the VCMI data folder as above.
  • Old save will not load: saves usually do not carry across major versions. Finish the game on the old version or keep it installed alongside.
  • Daily build crashes: daily builds are not guaranteed stable; switch back to the latest release.
  • Cheats: the docs list VCMI’s cheat codes, which differ in places from the original game’s.

FAQ

Can I play Heroes 3 on Android or iPhone?

Yes, with VCMI. It has official Android builds on Google Play, F-Droid and the GitHub releases page, and an iOS build (an IPA file you sideload). You still need the data files from your own copy of Heroes III.

Which Heroes 3 version does VCMI need?

The installation guide recommends the GOG offline installer, which the VCMI Launcher can unpack directly. An existing Complete or Shadow of Death installation also works; you copy its Data, Maps and Mp3 folders.

Is VCMI a mod like Horn of the Abyss?

No. The VCMI FAQ points out that HotA and WoG are mods for the original game, while VCMI is a full remake of the engine. It can load many VCMI-format mods, including community conversions of features from HotA, WoG and HD Mod.

Does VCMI have online multiplayer?

Yes. The FAQ says multiplayer is stable, and there is a global online lobby under New Game, Multiplayer, Online Service. Hot-seat and local network play are supported too.

Can I load my old saves after updating VCMI?

Usually not across major versions. The README warns that saves from a different major version are usually not supported, so finish ongoing games before updating. The 1.7.5 notes say saves from 1.6 load in 1.7.

Is VCMI free?

VCMI itself is free and open source under the GPL-2.0 licence. The Heroes III data files are not included; they come from a copy you own, such as the GOG Complete edition.

Unofficial. This page is written by an independent directory. It is not made by, endorsed by or affiliated with The 3DO Company (now Ubisoft) or VCMI team (VCMI (open-source Heroes of Might and Magic III engine)'s author). We do not host any files, and we never link to game files, ROMs or ISOs.

Sources

This page was last updated on Nov 3, 2026. A date after a source is the day we read it. Versions and steps follow the official project; if they differ, the official source wins.

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