Hearts of Iron 4 – a military strategy that allows you to play for any country during the Second World War. Becoming the leader of a nation, you can enter into alliances with other participants or become an invincible general that will take over the whole world. Battles will take place on all fronts, air and sea. Commanders are real people in history who came to life again, leading an army into battle. To do this, they build fortifications and bases, develop equipment, accumulate tank divisions, fleets and air forces.

The diplomatic system in Iron Hearts 4 will allow you to participate in alliances, develop trade relations, or exchange support during the invasion of foreign soldiers. In addition, in order to conduct successful fights and emerge victorious, you need to take into account the time of year and the landscape. The weather changes dynamically, which adds new difficulties, for example, the ground can be flooded by downpours or covered with snow drifts. Storms and hurricanes will appear on the water. At night it is easier to carry out reconnaissance missions, while during the day, the scout will be easily noticed by enemy defenders.

The technique depends on the selected country, and has existing analogues in real life. To discover new types of weapons, you need to gain experience and do research. Multiplayer supports up to 32 players on one map. The political structure of the controlled country depends only on the player. To understand the mechanics, there is training in the form of small scenarios with a detailed explanation of the gameplay.