Sudden Strike 4 is a real-time tactics video game set in World War II.

[5] The single-player mode features 3 campaigns (German, Allied or Soviet) with over 20 missions and modding support is planned.

Each of the missions in the different campaigns are based on real life World War II battles/invasions.

The Invasion of Poland is used as a tutorial for the game and also acts as a prelude to the German campaign.

[6] The game also introduces skill trees and commander roles with famous World War II generals such as George Patton, Heinz Guderian, Bernard Montgomery, Omar Bradley or Georgy Zhukov.