Retrieve the Golden Knife from the ancient temple of Mithras.

Finish Train case.

Finish 10 Dialogue QTEs without a failure.

Finish the game

Find every single historical item

Shoot the German flag with the cannon at Vimy's ridge

Save your entire platoon during the battle of Somme

Push all the laundry bags

Rescue Karl from underneath the zeppelin

Ring the bell 3 times in Ypres

Witness the zeppelin crash

Shoot the tractor before it crushes Emile

Pet the dog