Mission 11 | Collectibles Enemy Front Guide

The location of the 1st secret.

The first secret can be found lying on a table, next to a typewriter, in one of the rooms in the first encountered building behind the bridge (with swastikas on it).

The location of the 2nd secret.

The second secret is located on one of the soldiers' beds, on the second floor of the building, which you enter by going through a staircase.

The location of the 3rd secret.

The third secret is located on one of the lockers, in the second barracks, located the closest to the defensive wall in the main part of the Oscarsborg Fortress.

The location of the 4th secret.

The fourth secret is located on a table, in a room on the left side of the corridor, which you enter after going down the sloping platform.