Complete 300 events in the campaign over multiple playthroughs (cumulative)

Win any medal in all Historical Battles

Win the highest possible medal for all Historical Battles

Win any medal in a Historical Battle

Play a multiplayer game to completion (must complete game to score screen)

Destroy 100 machine gun or mortar emplacements with bombers in the course of a single campaign with either faction

Cause 1,000 infantry casualties with gas weapons in any game mode (cumulative)

In the campaign, make it to December 1919 with either faction (play to hard cap)

Create a really big hole with the Undermining ability (first time using undermining)

Win a full campaign as the Allies (national will or conquer capital win both count)

Win a full campaign as the Central Powers

Win the campaign by taking Paris or Kreuznach before November 1919