This expansion is a campaign allowing players to live an adventure scripted in 5 scenarios which brings, collectively during the game, players to make choices that will tip the story towards Peace or World War.

At the start of a game, players open an envelope containing the story, the special rules of the scenario and the extra cards for this scenario. Then, at the end of the game, each player receives different rewards depending on whether they won or lost and according to their own choices during the game (depending on the scenario).

Thus, each one builds their Heritage over the 5 scenarios. The winner of the campaign is the one who wins the last scenario.

The campaign offers 6 scenarios in all because there is a branch, depending on the choice of players in scenario 4.