Here is the full list of all 40 Call of Duty: Ghosts achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Kill 6 enemies with the knife while underwater in "Legends Never Die".
Finish the mission without breaking stealth.
Collect all 18 Rorke files.
Cut a grappling hook rope with an enemy on it.
Destroy all enemy ground targets and kill no allies with the rods.
Confront Rorke (Complete "The Ghost Killer" on any difficulty.)
Earn the mask. Finish the campaign on Veteran.
Shoot the grapple guys off the side of the train.
Commandeer the enemy space station. (Complete "Loki" on any difficulty.)
Destroy the Federation's satellite array. (Complete "Severed Ties" on any difficulty.)
Take out 3 out of 3 helicopters with the remote missile.
Gather the troops. (Complete "All or Nothing" on any difficulty.)
Plan your next move. (Complete "Sin City" on any difficulty.)
Destroy 21 slot machines.
Storm the factory (Complete "End of the Line" on any difficulty.)
Kill 5 enemies without being detected before infiltrating Black Zone.
Destroy the enemy ship (Complete "Into The Deep" on any difficulty.)
Take down the LCS on the first go.
Distract the Federation Fleet. (Complete "Atlas Falls" on any difficulty.)
Blow the pressure valves on your first attempt.
Storm the common room and kill everyone without taking damage on Veteran.
Hack the system (Complete "Clockwork" on any difficulty.)
Drop 8 vehicles into ice holes.
Make it out alive (Complete "The Hunted" on any difficulty.)
Capture Rorke (Complete "Birds of Prey" on any difficulty.)
Destroy 80 fuel containers.
Gather intel on Rorke. (Complete "Federation Day" on any difficulty.)
Catch the photocopier with your face.
Kill sleeping enemy in face down rappel section
Hunt down Almagro. (Complete "Legends Never Die" on any difficulty.)
Defend LA. (Complete "Homecoming" on any difficulty.)
A-10 strafe 50 enemies.
Find Ajax. (Complete "Struck Down" on any difficulty.)
Every shot with the remote sniper kills a person or vehicle.
Make it to San Diego. (Complete "No Man's Land" on any difficulty.)
Pounce on 10 enemies whilst controlling Riley.
Rendez-vous in Fort Santa Monica. (Complete "Brave New World" on any difficulty.)
Take down both attack helicopters in Brave New World.
Escape. (Complete "Ghost Stories" on any difficulty.)
Kill your first enemy in the Call of Duty® Ghosts campaign.