Cossacks: Back to War is a strategy game that takes the player to the events that took place in the 16th-17th centuries. The armies of Germany, Poland, Tsarist Russia, England and many other countries are fighting in various locations in Eurasia for the right to rule the world. The campaign conveys the military events that took place between Asia and Europe. In the game, you need to collect resources from six types, such as: food, metal, stone, coal, gold and wood. Resources are mined by city residents in the fields and forests, as well as in mines. Collected materials are stored in warehouses on the territory of the city, and are used to build barracks, technology centers and train units.Coal and metal are needed for units that attack by shooting, since in the absence of these resources they will be inactive. To train new units, especially for mercenaries, you need gold, as well as food. In the absence of these two resources, the army dies or soldiers desert.City residents in the strategy Cossacks: Back to War are divided into certain classes:
- Infantry - soldiers who attack from close and long range
- Fleet - ships on the water that transport resources and combat units, and can also attack enemy ships
- Cavalry - soldiers on horses who move quickly and destroy enemy infantry units
- Artillery – cannons that fire at enemies on land and water
- Priests – units that restore soldiers' health after battle
- Mercenaries – soldiers who join allied units for gold and food
- Peasants – units responsible for constructing buildings and collecting resources
To win battles and capture states in Cossacks: Back to War, the player must adhere to tactics and strategy, as well as competently give instructions to units. Improved artillery guns allow you to destroy a large number of infantry in one shot and shoot at enemy ships.