- PC
Cheats:
Extinction Mode
Start the single player Campaign mode under the Regular or higher difficulty level. Complete the "Ghost Stories", "Brave New World", "No Man's Land", and "Struck Down" missions to unlock the "Extinction Mode" option at the main menu. Alternately, start Multiplayer Career mode and reach level 5.
Extinction mode: Exploding stuffed alien dolls
Start Chapter 1, "Point Of Contact" and collect a sniper rifle. Find the "Gil's Lodge Motel" neon sign. Use the sniper rifle and shoot the letters "L", "O", and "L" (in order) in the word "Lodge" on that sign. The message "LOL" will appear in the center of the screen to confirm correct entry. For a short period of time, any alien shot will explode into golden alien stuffed dolls.
Modern Warfare Reference
In the mission "Atlas Falls," you'll breach a recreational room. There, you should see an arcade machine called Call of Duty: Modern Warfare.
Modern Warfare Reference
In the mission "Atlas Falls," you'll breach a recreational room. There, you should see an arcade machine called Call of Duty: Modern Warfare.
Achievements:
All or nothing - Gather the troops. (Complete "All or Nothing" on any difficulty.)
Atlas Falls - Distract the Federation Fleet. (Complete "Atlas Falls" on any difficulty.)
Audiophile - Collect all 18 Rorke files.
Birds of Prey - Capture Rorke (Complete "Birds of Prey" on any difficulty.)
Blimey O'Riley - Pounce on 10 enemies whilst controlling Riley.
Brave New World - Rendez-vous in Fort Santa Monica. (Complete "Brave New World" on any difficulty.)
Burn Baby Burn - Destroy 80 fuel containers.
Carbon Faceprint - Catch the photocopier with your face.
Clockwork - Hack the system (Complete "Clockwork" on any difficulty.)
Cog in the machine - Kill 5 enemies without being detected before infiltrating Black Zone.
David & Goliath - Take down the LCS on the first go.
Deep Freeze - Drop 8 vehicles into ice holes.
End of the Line - Storm the factory (Complete "End of the Line" on any difficulty.)
End of your rope - Cut a grappling hook rope with an enemy on it.
Federation Day - Gather intel on Rorke. (Complete "Federation Day" on any difficulty.)
Fly-by-wire - Take out 3 out of 3 helicopters with the remote missile.
Ghost Stories - Escape. (Complete "Ghost Stories" on any difficulty.)
Go Ugly Early - A-10 strafe 50 enemies.
Grindin' - Blow the pressure valves on your first attempt.
Homecoming - Defend LA. (Complete "Homecoming" on any difficulty.)
Into the Deep - Destroy the enemy ship (Complete "Into The Deep" on any difficulty.)
It Came from Below! - Kill 6 enemies with the knife while underwater in "Legends Never Die".
Jack-pot - Destroy 21 slot machines.
Jungle Ghosts - Finish the mission without breaking stealth.
Legends Never Die - Hunt down Almagro. (Complete "Legends Never Die" on any difficulty.)
Liberty Wall - Take down both attack helicopters in Brave New World.
Loki - Commandeer the enemy space station. (Complete "Loki" on any difficulty.)
No Man's Land - Make it to San Diego. (Complete "No Man's Land" on any difficulty.)
Piece of cake - Storm the common room and kill everyone without taking damage on Veteran.
Severed Ties - Destroy the Federation's satellite array. (Complete "Severed Ties" on any difficulty.)
Sin City - Plan your next move. (Complete "Sin City" on any difficulty.)
Sleeping Beauty - Kill sleeping enemy in face down rappel section
Spatial Awareness - Kill your first enemy in the Call of Duty® Ghosts campaign.
Struck Down - Find Ajax. (Complete "Struck Down" on any difficulty.)
The Ghost Killer - Confront Rorke (Complete "The Ghost Killer" on any difficulty.)
The Hunted - Make it out alive (Complete "The Hunted" on any difficulty.)
They look like ants - Destroy all enemy ground targets and kill no allies with the rods.
Tickets please - Shoot the grapple guys off the side of the train.
Waste Not - Every shot with the remote sniper kills a person or vehicle.
You've earned it - Earn the mask. Finish the campaign on Veteran.
Secret Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
Any Means necessary (40 points) - Get 50 kills with the electric fence and fire traps in a single game.
Cabin Fever (10 points) - Make it to the cabin.
City Dweller (20 points) - Made it to the city.
Completionist (25 points) - Complete all Extinction challenges and escape.
Made it Out Alive (20 points) - Escape 1st time.
No Man Left (20 points) - Escape with all four players.
Sprinter (20 points) - Reach the exfil chopper with 1 minute and 30 seconds or more remaining on the clock.
Throttled Escape (10 points) - Escape using a relic.
Trash Picker (20 points) - Scavenge 40 items in a single game.