Source note: Part 3 of the HOI4 reference. DLC release dates and feature lists are verified against the official Paradox HOI4 wiki DLC page and Steam. Archetype builds synthesize the systems documented in Parts 1–2.
This is where the systems meet. HOI4’s depth comes from layering ideology × doctrine × template × focus tree into a single coherent war machine — a build that plays out from 1936 to 1945+. Below: the archetype builds, a DLC roadmap, and a start-picker.
What it covers: Six archetype builds (ideology × doctrine × template × focus tree), the full 2016–2026 DLC roadmap, and a nation start-picker. Why it matters: HOI4’s DLC is modular and a decade deep — buying the wrong pack, or no pack, changes which systems you can even see. Who should pick this: New players deciding what to buy first, and veterans matching a build to a mood.
The HOI4 Build Formula
An HOI4 build is four choices, made in sequence:
- Pick a nation — determines starting ideology, industry, manpower, and focus tree.
- Pick an ideology path — stay historical or flip (Democratic/Communist/Fascist/Non-Aligned) via focus tree.
- Pick a doctrine — Grand Battleplan, Mobile Warfare, Superior Firepower, or Mass Assault.
- Pick templates — match width to terrain, match composition to doctrine, match cost to industry.
Your nation’s industrial capacity and manpower pool then determine how many divisions you can field — but the build itself is the scaffolding.
Archetype Builds (Ideology × Doctrine × Template × Focus)
The Blitzkrieg (Germany)
- Ideology: Fascism → Nazi Germany
- Doctrine: Mobile Warfare (Armor, Mechanized, Integrated Support)
- Templates: 14-4 infantry (40W) for line-holding; 6-2 medium tank (40-45W) for breakthroughs; 2-2 motorized for exploitation
- Focus path: Rhineland → Four Year Plan → Anschluss → Demand Sudetenland → Munich Agreement → Anti-Comintern Pact → Danzig or War
- Strategy: Stack industry early, build tanks, punch through with concentrated armor, encircle with motorized, CAS the retreat. Highest single-division breakthrough in the game.
- Common mistakes: Over-investing in heavy tanks; tank divisions without motorized infantry; neglecting air cover.
The Human Wave (Soviet Union)
- Ideology: Communism → Stalinism
- Doctrine: Mass Assault (Mass Mobilization, People’s Army, Deep Battle)
- Templates: 6-2 infantry (18W) for spam; 14-4 (40W) for elite guard; late-war heavy tanks once industry catches up
- Focus path: Heavy Industry → The Path of Marxism-Leninism → The Stalin Constitution → Finish the Five Year Plan → The Comintern → Shift to Armaments Production
- Strategy: Trade space for time, absorb the German offensive, rebuild industry behind the Urals, then overwhelm with numbers. Manpower replaces equipment — the USSR has more men than tanks.
- Common mistakes: Trying to match German tank quality early; not retreating to the Urals fast enough; neglecting lend-lease from the Allies.
The Arsenal of Democracy (United States)
- Ideology: Democracy → Liberalism
- Doctrine: Superior Firepower (Integrated Support, Air-Land Battle)
- Templates: 14-4 infantry (40W); 6-2 medium tank (40-45W); massive CAS + fighter swarms
- Focus path: Continue the New Deal → WPA → War Department → Neutrality Act → Intervention in Europe → Arsenal of Democracy → Lend-Lease
- Strategy: Build industry for 4 years, then out-produce everyone. Send Lend-Lease to the UK and USSR. D-Day with overwhelming air + naval supremacy. The US has more factories than any other nation — use them on planes.
- Common mistakes: Building too many heavy tanks; insufficient air force; not sending Lend-Lease to allies.
The Imperial Navy (Japan)
- Ideology: Fascism → Emperor Fascism (or Non-Aligned via alt-hist)
- Doctrine: Fleet in Being (naval); Mobile Warfare (army)
- Templates: 6-2 infantry (18W) for jungle; marine specialists; carrier-heavy navy
- Focus path: Purge the Kodoha Factionfaction. An in-game group or nation players can align with or fight against, with its own goals and reputation system. → Army Expansion Law → Guide the Zaibatsus → New Naval Estimates → Greater East-Asian Co-Prosperity Sphere → Marco Polo Bridge Incident
- Strategy: Secure resources in Southeast Asia (oil, rubber). Use carriers + land-based air for naval supremacy. Smaller 18W divisions stack better in jungle/forest (width 60) than European 40W bricks.
- Common mistakes: Building European-style 40W divisions in jungle terrain; neglecting carrier air groups; over-extending on the mainland.
The Continental Defender (United Kingdom / France)
- Ideology: Democracy → Conservatism
- Doctrine: Grand Battleplan (Large Unit Tactics, Field Engineering)
- Templates: 9-3 (27W) or 14-4 (40W) infantry; mid-tier tanks; marine specialists for naval invasions
- Focus path (UK): Limited Rearmament → Reinforce the Empire → Steady As She Goes → Home Defense → Battle of Britain
- Focus path (France): Form the Popular Front → Reform the Labour Laws → Review Foreign Policy → Begin Re-Armament → Defensive Focus
- Strategy: Hold the line, maintain naval supremacy, build up for D-Day. The UK’s strength is the Royal Navy + small expert ground force + RAF. France’s strength is the Maginot Line + colonial manpower.
- Common mistakes (UK): Over-investing in battleships; too few divisions. Common mistakes (France): Trying to be Germany; aggressive forward templates that get encircled.
The People’s Revolution (Communist China)
- Ideology: Communism → Marxism
- Doctrine: Mass Assault (People’s Army, Deep Battle)
- Templates: 6-2 infantry (18W) for guerrilla warfare; cheap spam templates
- Focus path: Strengthen the Central Secretariat → Land Redistribution → Enforce the Three Rules → Agrarian Communism → The Yan’an Base Area → Focus on China → Mobile Warfare
- Strategy: Guerrilla warfare in the countryside, build up base areas, infiltrate enemy states, flip them to your control. The Chinese Civil War is won by popular support, not conventional battles.
- Common mistakes: Trying to fight Japan conventionally; not using the infiltration mechanic; neglecting land reform.
DLC Roadmap (2016–2026)
HOI4’s DLC is structured into expansions, country packs, theater packs, and focus packs. DLC is modular — you can play with any subset, and multiplayer hosts share DLC with non-owners.
Integrated into Base Game (Free)
| DLC | Release | Key Features |
|---|---|---|
| Together for Victory | Dec 2016 | Dominion focus trees (Canada, Australia, NZ, India, South Africa); autonomy system; technology sharing |
| Death or Dishonor | Jun 2017 | Hungary, Romania, Czechoslovakia, Yugoslavia focus trees; equipment conversion; licensed production |
| Waking the Tiger | Mar 2018 | China focus trees; German/Japan alt-history paths; general traits and abilities; decisions and missions |
| Man the Guns | Feb 2019 | Ship designer; naval mines; governments in exile; US/UK/Mexico/Netherlands focus trees; amphibious landing vehicles |
Paid Expansions
| DLC | Release | Key Features |
|---|---|---|
| La Résistance | Feb 2020 | Espionage system; intelligence agencies; spies; collaboration governments; code cracking; Spain/Portugal/France focus reworks |
| Battle for the Bosporus | Oct 2020 | Bulgaria, Greece, Turkey focus trees; Black Sea/Aegean flavor |
| No Step Back | Nov 2021 | Tank designer; Soviet focus tree rework; Polish focus tree; Baltic focus trees; Army Officer Corps; Army Spirits; supply system updates; railway guns |
| By Blood Alone | Sep 2022 | Italy focus rework; Ethiopia, Switzerland focus trees; Aircraft designer; new peace conference options; unit medals; embargo interaction |
| Arms Against Tyranny | Oct 2023 | Finland, Sweden, Norway, Denmark focus trees; Military Industrial Organizations; international arms market; equipment presets |
| Trial of Allegiance | Mar 2024 | Brazil, Argentina, Chile focus trees; South American flavor |
| Götterdämmerung | Nov 2024 | Germany focus rework; Austria, Hungary, Belgium, Congo focus trees; special projects (nuclear physics, advanced aircraft, rocketry); raids; new atomic warfare |
| Graveyard of Empires | Mar 2025 | Iran, India, Iraq, Afghanistan focus trees; Central/South Asian resistance focus |
| No Compromise, No Surrender | Nov 2025 | Japan, China, Philippines focus reworks; new military doctrines system; expanded factions system; naval special projects; carrier mechanics |
| Thunder at Our Gates | Jun 2026 | Australia, Siam, Indonesia focus trees; military headquarters; ship captains; naval combat improvements |
Focus Packs
| DLC | Release | Key Features |
|---|---|---|
| Peace For Our Time | Apr 2026 | Czechoslovakia focus pack; democratic/communist/monarchist/fascist paths; arms industry management |
How to Choose Your DLC
- New to HOI4: Base game only (the four free DLCs are already integrated). The base game is fully playable with all major powers.
- Want the tank designer: No Step Back (Nov 2021) — this is the single most impactful DLC for template design. Without it, you can’t use the tank designer.
- Want the aircraft designer: By Blood Alone (Sep 2022) — adds the plane designer and Italy/Ethiopia/Switzerland focus trees.
- Want espionage: La Résistance (Feb 2020) — spies, intelligence agencies, collaboration governments.
- Want a specific region: Battle for the Bosporus (Balkans), Arms Against Tyranny (Scandinavia), Trial of Allegiance (South America), Graveyard of Empires (Central/South Asia), No Compromise, No Surrender (East Asia), Thunder at Our Gates (Southeast Asia/Pacific).
- Want special projects (nukes, jets, rockets): Götterdämmerung (Nov 2024) — adds advanced research facilities and new endgame weapons.
- Want the latest mechanics: No Compromise, No Surrender (Nov 2025) — reworked military doctrines system; Thunder at Our Gates (Jun 2026) — military HQs and ship captains.
Start-Picker — Which Nation for Which Mood
| If you want to… | Pick |
|---|---|
| Learn the game | Germany (1936) — most-played, most guides, clear historical path |
| Conquer Europe fast | Germany (Fascist, Mobile Warfare, tanks) |
| Defend against the blitz | Soviet Union (Communist, Mass Assault, retreat to Urals) |
| Out-produce everyone | United States (Democratic, Superior Firepower, industry) |
| Rule the seas | Japan (Fascist, Fleet in Being, carriers) or UK (Democratic, Grand Battleplan, Royal Navy) |
| Fight a guerrilla war | Communist China (Communist, Mass Assault, infiltration) |
| Play a minor power | Finland (Arms Against Tyranny), Brazil (Trial of Allegiance), Turkey (Battle for the Bosporus) |
| Try alt-history | UK (King’s Party / Communist), Germany (Restore Kaiser / Anti-Reich), USA (Civil War), Japan (Democratic / Communist) |
The Unifying Idea
Across every Paradox grand-strategy franchise — Stellaris, Crusader Kings III, Age of Wonders, and Hearts of Iron IV — the build axis is the same shape: pick a government/ideology, pick a doctrine/path, pick a template/culture/faction. What changes is what those words mean:
| Franchise | “Government” | “Doctrine” | “Template” |
|---|---|---|---|
| Stellaris | Ethics + civics | Ascension path | Species traits |
| CK3 | Realm type | Faith | Culture/ethos/traditions |
| AoW4 | Ruler origin | Affinities/tomes | Form + culture |
| HOI4 | Ideology | Army doctrine | Division composition |
Once you see the shared skeleton, each franchise becomes a different skin on the same deep-strategy chassis — and you can carry your build intuition from one to the next.
← Back to Part 1: Ideologies, Government & Politics ← Back to Part 2: Division Templates & Combat
SOURCES
- HOI4 Wiki — Downloadable content (Paradox): https://hoi4.paradoxwikis.com/Downloadable_content — the full DLC list, release dates, feature summaries, and the “integrated into base game” status for the four free DLCs.
- Steam DLC — Hearts of Iron IV: https://store.steampowered.com/dlc/394360/Hearts_of_Iron_IV — current DLC pricing and release dates, cross-checked against the wiki.
All DLC release dates, feature lists, and “integrated into base game” attributions are drawn directly from the Paradox HOI4 wiki DLC page. Archetype builds synthesize the systems documented in Parts 1–2 of this guide.
With Thunder at Our Gates (June 2026) closing out the current roadmap, the DLC stack is complete through the present cycle — whatever Paradox announces next lands on top of the systems documented here. Until then, the six archetypes above remain the fastest route from a decade of layered mechanics to a coherent 1936 opening.
Next read
This is Part 3 of the series — catch up with Part 1: Ideologies, Government & Politics and Part 2: Division Templates & Combat. All of our HOI4 coverage lives on the Hearts of Iron IV hub.