Avoid all the mines
Listen to Barrett's tearful account of the lives lost under his command
Use one of the lifts on Vimy Ridge
Save Lothar
Send two pictures to Julia
Complete Part III
Complete Part I
Get out of the church of Passchendaele
Explore Julia's Room
Complete Part II
Unlock the revenge ending
Take a picture of Kurt in "The Collapse"
Catch a rat in the tunnels
Cut the gas in Passchendaele
Score with the hidden football in Paris
Help Daniel in Passchendaele
Finish Vimy battle without dying
Cut the german communication
Perform all moves in the Dance sequence
Unlock the peace ending
Kick the football in the POW camp
Unlock the lone avenger ending
Threaten the soldier three times to learn the truth
Take a picture of Lotty in Vimy trenches
Don't collide with any ghosts
Unlock the sacrifice ending
Unlock the grudge ending
Take all the apples back to Lucie
Win at card game against the old ladies in the village.
Bring all four wood pieces to the oven
Use all your photographic film in one chapter
Unlock the betrayal ending
Win all card games
Do business with Joe
Collide with 20 ghosts or more
Find all missing boys from your village.
Find the hidden food stash in the tunnels
Find all the collectibles from Part I
Unlock the forgiven ending
Give some chocolate to a german soldier
Find all the collectibles from Part III
Find all the collectibles from Part II
Take a photo of the rifle on Kurt's kitchen wall in "The Pursuit", fire the same gun in "Peace"
Find all the collectibles
As Lotty, comfort the soldier under the tree
Purr with Lotty
Go home to Julia
See all the credits
Pull the cart of crosses in the cemetery
Choose to go and save Kurt