Hearts of Iron IV cover art

Hearts of Iron IV

2016Paradox Development StudioLinux, PC (Microsoft Windows), Mac

Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. From the heart of the battlefield to the command center, you will guide your nation to glory and wage war, negotiate or invade. You hold the power to tip the very balance of WWII. It is time to show your ability as the greatest military leader in the world. Will you relive or change history? Will you change the fate of the world?

What it's about

Armed forces, warfare, and military operations dominate the experience; the game is explicitly about commanding a nation's military during WWII. Grounded in the real historical period of WWII and its texture; players relive or alter historical events with period-accurate nations and mechanics. While historical, the game invites rewriting WWII history; player choices can diverge outcomes from the historical record, making alternate scenarios a major draw.

Military & War92%
Historical88%
Alternate History75%
War & Its Cost32%

How it plays

The core loop is steering a WWII nation through politics, economy, diplomacy, and military campaigns at historical scale—the defining exemplar of grand strategy gameplay. The game runs in real time but is pausable to queue orders and plan strategy, a core mechanic for grand-strategy management. Real-time commanding of economies and armies with pause elements provides RTS-style control, though at grander strategic rather than tactical scale.

Grand Strategy95%
Real-Time with Pause85%
Real-Time Strategy70%
Deep Simulation65%
Trading & Economy55%
Reputation & Factions50%
Grid-Based Movement48%
Resource Management48%
Grid Tactics Combat45%

How it's structured

Single-player campaign is a primary design focus, letting players guide their chosen nation through the war solo. While structured by historical WWII, players set their own goals—whether to faithfully replay history, conquer the world, or achieve alternate outcomes. A bounded story arc—WWII from start to finish—structures the experience with a definite end condition.

Single-Player68%
Sandbox55%
Campaign42%
Seamless World38%
Online Co-op28%

Shares Grand Strategy, Military & War, Historical, Real-Time with Pause.

Both lean into Military & War, Grand Strategy, Historical, Real-Time with Pause.

Military & War95%Grand Strategy92%Historical90%Real-Time with Pause85%
Victoria II71% match

Shares Grand Strategy, Historical, Real-Time with Pause, Military & War.

Both lean into Grand Strategy, Historical, Real-Time with Pause, Military & War.

Grand Strategy95%Historical90%Real-Time with Pause85%Military & War75%

Shares Grand Strategy, Military & War, Real-Time with Pause, Historical.

Both lean into Grand Strategy, Military & War, Real-Time with Pause, Historical.

Grand Strategy92%Military & War82%Real-Time with Pause85%Historical80%

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