No missable achievements (plus 20 unknown)
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Raise the flag at the end of the basic training
Find 5 historical items
Pet the dog
Shoot the tractor before it crushes Emile
Witness the zeppelin crash
Rescue Karl from underneath the zeppelin
Finish the Douaumont Fort mission
Push all the laundry bags
Find 50 historical items
Ring the bell 3 times in Ypres
Defeat the Baron Von Dorf
Escape the French army with Anna and Karl
Read 30 historical facts
Save Karl
Finish the game
Complete 1 taxi mission without damaging the car
Shoot the German flag with the cannon at Vimy's ridge
Save your entire platoon during the battle of Somme
Find every single historical item
Save Karl for the third time without making any mistakes