Find all missing boys from your village.

Score with the hidden football in Paris

Take a picture of Lotty in Vimy trenches

Avoid all the mines

Print a weapon for the first time

Upgrade one of your cars one level.

Find at least one collectible in the game.

Unlock the peace ending

Unlock the sacrifice ending

See all the credits

Take a photo of the rifle on Kurt's kitchen wall in "The Pursuit", fire the same gun in "Peace"

Choose to go and save Kurt