Guide · Heroes of Might & Magic III
Heroes 3 in the browser: a beginner's guide that actually helps
HoMM3 is 26 years old and still has no real successor. If you are starting now, the game will not explain much: the tutorial teaches movement, not economy. This guide covers the first week of any map, the buildings that matter, the skills worth taking and the five mistakes that lose games before the first big battle.
What the game actually is
Heroes III (New World Computing, 1999) is a turn-based strategy game on two layers. On the adventure map you move heroes, pick up resources, flag mines and fight neutral stacks; in town you spend those resources on buildings and creatures. Combat is a separate grid battle where every unit has speed, initiative order and a stack size.
The browser version runs the game on VCMI — an open-source engine that reads the original data — compiled to WebAssembly. It needs a desktop with a mouse; the interface is built around right-click information panels and there is no touch layout.
The first week, in order
- Day 1: hero out, town building. Send your main hero to the nearest resources and build the Town Hall upgrade path. Do not hire a second hero on day one.
- Days 2–4: dwellings and growth. Build creature dwellings in the order you can actually afford them; weekly growth compounds, so an early Griffin Tower is worth more than a late Angel.
- Days 4–6: flag mines. Every flagged mine is income for the rest of the game. Gold and wood/ore first, then the rare resources.
- End of week 1: one strong stack. Buy every creature you can, put them all in one hero's army, and clear the nearest guard posts. A single strong army beats three half-armies.
- Week 2: Capitol. The 1000-gold-per-day building is the single biggest tempo swing in the early game. Build it before luxuries.
The buildings that matter
| Building | Why |
|---|---|
| Town Hall → City Hall → Capitol | Gold per day. Capitol doubles your income and pays for everything else. |
| Creature dwellings | Weekly growth. Each dwelling adds units every week whether you buy them or not. |
| Fort / Citadel / Castle | Defence bonus and more growth; also needed for the higher-tier dwellings. |
| Mage Guild (levels 1–3) | Spells decide fights. Haste, Slow, Bless, Cure are available early. |
| Marketplace | Converting resources is how you fix a shortage without losing a week. |
| Blacksmith / Armory | Small but permanent army upgrades; cheap compared with dwellings. |
Hero skills worth taking
- Logistics — more movement per day. The best skill in the game, no argument.
- Pathfinding — rough terrain stops being a wall. Pairs with Logistics.
- Wisdom — required to learn level 4–5 spells. Take it on your main hero.
- Earth Magic — Slow, Stone Skin, Resurrection. The most valuable school on most maps.
- Armorer and Offense — flat percentage changes that apply to every fight.
- Luck and Leadership — small, reliable bonuses; fine as secondary picks.
Five mistakes that lose games
- Hiring heroes you do not use. Every extra hero costs gold per day and moves the army nowhere.
- Splitting the army. Two medium stacks lose to one big stack; keep one main hero until the map is safe.
- Buying creatures you cannot afford to replenish. An army you cannot rebuild after one fight is a trap.
- Ignoring the map. Resources, artifacts and stat boosters on the adventure map are free tempo — skipping them is how the AI outgrows you.
- Fighting when you can wait a week. Time is a resource; a stronger army next Monday beats a heroic loss today.
Combat basics in one paragraph
Speed decides who moves first, so ranged units and fast flyers act before slow infantry. Focus fire: killing one stack completely removes its damage output, while damaging three stacks removes nothing. Use the wait button to let the enemy come to you, and protect shooters with a melee screen. Spells are usually better spent on Haste or Slow than on direct damage at low levels.
Playing in the browser
The page runs the original game data on VCMI, so campaigns, scenarios and the map editor are the 1999 ones. Saves are written to browser storage and are copied to cloud saves after signing in, which is how a long campaign moves between computers.
- Desktop only — the UI needs a mouse and a keyboard; there is no touch mode.
- Hot-seat works — two or more players can share one computer, as in the original.
- Long turns are fine — the game is turn-based, so a slow laptop only costs you animation time, not accuracy.
Which map to start with
Skip the campaigns for your first game. Pick a small or medium scenario against one AI opponent on easy, with the “no underwater gates” style of simple map if the list offers one. Campaigns assume you already understand the economy and punish slow starts; a small map teaches the same lessons in two evenings instead of two weeks.
Frequently asked questions
- Do I need the original game files?
- No. The page loads the game data it needs and caches it in the browser.
- Can I play HoMM3 on a phone?
- Not comfortably. The interface is built for a mouse; phones get no touch layout for this port.
- Which expansion is included?
- The build runs the classic game data with the usual town line-up; check the game page for the exact content set.
- How long does one map take?
- A small scenario is two to four hours, a medium map an evening or two, and a full campaign dozens of hours.
- Is hot-seat supported?
- Yes — several players can take turns on one computer, exactly like the original.
More strategy in the browser: the San Andreas 100% checklist, or the full game catalogue.