Barbarroja recreates the entire period of war between Germany and Russia (1941 - 1945), for it uses units (chips) at the level of Corps of Armies and Armies, representing the historical units that intervened in this war. The game allows you to do it in a single computer (hot seat with two players), or a single player against the A.I. in turns, or you can play online or in the Local Network, in three modes, in turns or in real time. In the turn-based mode, the player completes the movement and combat of all the units he wishes during his turn, then moves the A.I., in case of the hot chair, the other player will move. In the real-time mode (this mode is only possible on the Internet and / or local network), each player moves and fights simultaneously for a certain time at the beginning of the game. Each turn of Barbarroja, represents a month of battles. You can also play scenarios or create new scenarios.