Theater of War is a string of single-player and co-op missions, each themed around a particular battle across the game's Eastern Front setting. Missions take place in a particular year of the war, and will feature units and abilities that reflect the mood and setting of the conflict at the time.

Company of Heroes 2's Theater of War mode will ship with a series of 18 missions set in 1941. More missions will be added as downloadable content, including the mini-campaign offered to customers who preorder the game.

SEGA says the missions will include "solo challenges where players are pitted against overwhelming odds, AI battles against an enemy commander with a unique play style, and co-operative scenarios for fans to enjoy with their friends"

While the game will feature its own single-player campaign and multiplayer modes, game director Quinn Duffy said Theatre of War will act as a bridge and help #147;to introduce traditionally solo players to the online elements of the game.#147;

Relic Entertainment recently said that .

Company of Heroes 2 will be released for PC on June 25. For formation, .