Similar to previous installments in the franchise, Call of Duty: Ghosts comes with collectibles for players to pick up during the campaign. This time around, you're searching for Rorke Files, presented in the form of laptops. There is one file for each of the 18 levels. Collecting them all will unlock the Audiophile Trophy for the PlayStation 3, and the Xbox 360 Achievement of the same name.
Ghost Stories - Rorke File 1
Look for this after Hesh and Logan escape their own house to find their father. Hesh will yell out "through that house." The Rorke File is on the floor inside the house as you pass through it.
Brave New World - Rorke File 2
Wait for the cut scene with your father. He talks about how you’re all he has left in the world. The Rorke File is on a table in the center of the room.
No Man's Land - Rorke File 3
It's inside a grey trailer during the mission. Around the same time, there will be a warning over the radio talking about large enemy movements in the area. The Rorke File is sitting on a desk inside the trailer.
Struck Down - Rorke File 4
The opportunity comes after breaching the door to the locker room. Take down all the opposition inside. Afterwards, you can find the Rorke File on the left side of the room in one of the lockers.
Homecoming - Rorke File 5
At the beginning of the mission, just before you take control of the machine gun during the beach assault. It's in a room at the bottom of the stairs.
Legends Never Die - Rorke File 6
This happens after you're separated from your squad by the flood, and just after you follow Rorke across the broken bridge. Just around the corner on the left where you take down the Federation soldiers.
Federation Day - Rorke File 7
Just after you cut the glass and break through the window. Go around the corner to the left and head into the first room on the left. It's dark, but the file should be in the back right corner of the room.
Birds of Prey - Rorke File 8
After you breach the door and capture Rorke. It's directly on the desk behind him.
The Hunted - Rorke File 9
Just prior to regrouping with your team. You'll find it next to a small river not far from a small waterfall. It's laying on the ground.
Clockwork - Rorke File 10
During the portion of the mission when you're wearing Night Vision Goggles. Your team will be running tests. It's just to the right sitting on a desk.
Atlas Falls - Rorke File 11
After you breach the control room, and while your squad mate is assaulting the man inside. It's just in the room to your right.
Into the Deep - Rorke File 12
Not long after the scene where you lose your air tube. Keegan will make a comment that there are more divers. You can find the file sitting on a rock just to the right.
End of the Line - Rorke File 13
As you enter the Missile Bay just before you activate the camera. It's just below the stairs.
Sin City - Rorke File 14
Just after crawling under a gate. You'll find the file sitting on a small table just to the left inside the large room.
All or Nothing - Rorke File 15
The Rorke File is right at the beginning of the level. It's sitting on one of the bottom bunks.
Severed Ties - Rorke File 16
When Hesh tells Merrick that his mission is complete, but theirs isn't. Rather than follow Hesh, head to the right and look in the first room on the left.
Loki - Rorke File 17
Just after the big explosion, the Rorke File can be found right near the satellite. It's floating in space between two large structures.
The Ghost Killer - Rorke File 18
While you're on the train. It's located in a storage area. Hesh will comment that it looks like Icarus got control of the rods. The Rorke File is sitting on a box on the right side of the train car.