Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck

Clear any mission (including Side Ops and Extra Ops) with a S-rank

Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets

In the "Ground Zeroes" mission, rescue the prisoner to be executed and extract him via chopper

Reunite with Chico or Paz

Complete 1 taxi mission without damaging the car

Finish the game

Save Karl for the third time without making any mistakes

Escape the French army with Anna and Karl

Save your entire platoon during the battle of Somme

Finish the Douaumont Fort mission

Find 50 historical items

Witness the zeppelin crash