- "New Ephyra" Outpost
- 14 Years After E-Day
- 25th Sherrith Cavalry
- 26 RTI Special Tactics Group
- 26th Royal Tyran Infantry
- 26th Royal Tyran infantry
- 2nd Battalion Royal Ephyran Engineers
- 2nd Gamma Squad
- 3rd Ephyran Engineers
- 3rd Ephyrans
- 4th Ephyra Light Infantry
- 4th Infantry Division
- 501st Legion
- 5th Kaian Grenadiers
- 6th Brigade
- 802nd Raven Squadron
- 81st "Brash" Brigade
- 9th Division
- A.E
- A.I. Construct
- A. Carmine
- A. Guinot
- A. Josefson
- A. Simmons
- A. Sullivan
- A2897
- APC
- APC-142
- APC-One
- APC-Three
- APC-Two
- APC-Two-Eighty
- ATV
- AX-331-2
- A Carmine
- A Company 26th Royal Tyran infantry
- A Few Complaints
- A Few Snags
- A Real Gun
- Aaron Griffin
- Aaron Hulett
- Aaron Painter
- Abandon Ship
- Abandoned Airport
- Abandoned Mine
- Abandoned Research Facility
- Abyssal trench
- Academy
- Acastu Imulsion Fields
- Achievement
- Achievements
- Achievment
- Act 1
- Act 1: Ashes
- Act 1: Tip of the Spear
- Act 2
- Act 2: Denizens
- Act 2: Nightfall
- Act 3
- Act 3: Belly of the Beast
- Act 3: Gathering Storm
- Act 4
- Act 4: Hive
- Act 4: The Long Road Home
- Act 5
- Act 5: Aftermath
- Act 5: Desperation
- Act I
- Act I: The Museum of Military Glory
- Act II
- Act II: Halvo Bay Military Academy
- Act III
- Act III: Seahorse Hills
- Act III (Gears 5)
- Act III (Gears of War 4)
- Act II (Gears 5)
- Act II (Gears of War 4)
- Act IV
- Act IV: Onyx Point
- Act IV (Gears 5)
- Act IV (Gears of War 4)
- Act I (Gears 5)
- Act I (Gears of War 4)
- Act V
- Act V: Downtown Halvo Bay
- Act VI: The Courthouse
- Act VII: Aftermath
- Act V (Gears of War 4)
- Acting president
- Active
- Active Reload
- Active reload
- Adam
- Adam Fenix
- Adam Fenix's Estate
- Adam Fenix's data disk
- Adam Jonathon Fenix
- Adaptive Atmospheric Manipulation System
- Administrator
- Admiralty House
- Adrenaline Injector
- Aftermath
- Age of Armageddon
- Age of Silence
- Agent 6
- Agent 9
- Ahman
- Aiglar
- Aigle
- Ailsa
- Airborne
- Aisha Tyler
- Alan
- Aldair
- Aldair Army Base
- Alderman
- Aleksander Reid
- Alex
- Alex Brand
- Alex Mayfield
- Alexandra Brand
- Alexandra Silva
- Alexiy Desipich
- Alicia
- Alicia's Brother
- Alicia Thornber
- Alicia Valera
- Alisder Fyne
- All-Terrain Vehicle
- All-terrain vehicle
- All Terrain Vehicle
- Allfather
- Allfather's Day
- Allfather's Military Medal
- Allfather Prime
- Allfathers
- Allfathers' Medal
- Allfathers Avenue
- Allfathers Day
- Allfathers Garden
- Allfathers Library
- Allfathers Trophy
- Almost Midnight
- Alonzo
- Alpha
- Alpha-1
- Alpha-2
- Alpha-7
- Alpha-Five
- Alpha-One
- Alpha-Seven
- Alpha-Two
- Alpha (Pendulum Wars Era)
- Alpha (Pendulums Wars Era)
- Alpha Company
- Alpha Squad
- Alpha Team
- Alternative energy
- Amador Park
- Amador Park (Chapter)
- Amanda Macallister
- Ambulance
- Ambush Outside of Port Farrall
- Ambush at Sovereigns Boulevard
- Ambush at Tomb of Unknowns
- Ambush at Tomb of the Unknowns
- Ambush at the Tomb of Unknowns
- Ambush at the Tomb of the Unknowns
- Ambush in Central Vectes
- Ambush in Grid Charlie-Three
- Ambush of Fort Umson
- Ambush of Hanover Coast
- Ambush of South Village
- Ambush on Checkpoint Zeta
- Ambush on Diaz Outsider Village
- Ambush on Diaz Village
- Ambush on Fort Umson
- Ambush on Halvo Bay Courthouse
- Ambush on Hanover Coast
- Ambush on South Village
- Ambush on Voslov Bridge
- Ambush on the Diaz Village
- Ambush on the Halvo Bay Courthouse
- Ambush on the Outsider Village
- Ambush outside of Port Farrall
- Amirale Enka
- Ammo Crates
- Amphibious Assault Ship
- Amy
- Anchored
- Anders Madsen
- Anderson Sigel
- Andius
- Andius Fusiliers Regiment
- Andresen
- Andros
- Angry Titan
- Anna Lidman
- Anna Meurig
- Anna Meurig's daughter
- Annalisa
- Anne Wallace
- Annex
- Answers
- Anthony
- Anthony Carmine
- Anthony Carmine (Action Figure) SDCC Exclusive 2008
- Anthony Deller
- Anti-Imulsion Weapon
- Anton Chambers
- Anton Morrisey
- Anton Silber
- Anvegad
- Anvegad Pass
- Anvegad Plains
- Anvil
- Anvil Gate
- Anvil Gate (Military facility)
- Anvil Gate (disambiguation)
- Anya
- Anya Stroud
- Anya Stroud (Action Figure) Series One
- Anya Stroud (action figure) series one
- Anybody Home
- Anybody Home?
- Ape
- Apes
- Arcade
- Archipelago War
- Archives
- Archives Building
- Arlen Pereira
- Armadillo
- Armadillo Armored Personnel Carrier
- Armistice between the UIR and COG
- Armored Fish
- Armored Kantus
- Armored Personnel Carrier
- Armored Personnel Carrier (APC)
- Armored Scion
- Armored Shark
- Arms Race
- Arnheim McLewen
- Arohma Island
- Article Template Archive
- Artillery
- Artillery Battery
- Artillery Battery C
- Ascension
- Ascension (Gears of War 3)
- Ash Man
- Ashes to Ashes
- Ashes to Ashes (Chapter)
- Asp
- Asp SAM Turret
- Asper Petrell
- Aspho Fields
- Aspho Gas Station
- Aspho Point
- Asps
- Assassination
- Assassination of Ukkon
- Assault Barque
- Assault Derrick
- Assault Derricks
- Assault of Mount Kadar
- Assault on Franklin's Outpost
- Assault on Griffin Tower
- Assault on Ilima Savings and Trust
- Assault on Industrial District
- Assault on Inner Hollows
- Assault on Jacinto
- Assault on Jacinto City
- Assault on Jacinto Command
- Assault on Landown
- Assault on Mount Kadar
- Assault on Tollen Dam
- Assault on the Inner Hollow
- Assault on the Stroud Estate
- Assault on the Temple of the Trinity
- Assault on the Tollen Dam
- Assault on the Tollen Dam Hive
- Assault on the Tollen Dam Swarm Hive
- Assault on the Tollen Dam hive
- Asylum
- Asylum Train
- At the Doorstep
- Atrium
- Attack on Griffin Tower
- Attack on the Sovereign
- Attorney General
- Augustus
- Augustus Cole
- Augustus Cole (Action Figure)
- Augustus Cole (Action Figure) Series One
- Augustus Cole (Action Figure) Series Two (GOW3)
- Aurelie Dersau
- Austere Canon
- Auto-Turret
- Autrin
- Avalanche
- Aylmer Gullie
- Azura
- Azura (map)
- B.J. Haberkorn
- B. Carmine
- B. Clarkson
- B. Groth
- B. Michandani
- B. Newman
- B Carmine
- Back in Halvo
- Bad to Worse
- Bai Tak
- Bai Tak's wife
- Baird
- Baird Estate
- Baird Family
- Baird estate
- Bakuaia
- Balgan
- Ball Turrets
- Bank of Tyrus
- Barak Regev
- Barber
- Bardry Salaman
- Barque
- Barrick
- Barrier
- Barriers
- Barrington Square
- Barry
- Bartlett
- Bastion
- Batsu Dominic Santiago (Action Figure)
- Batsu Locust Grenadier (Action Figure)
- Batsu Marcus Fenix (Action Figure)
- Battalion Command (Lakar)
- Batten Down the Hatches
- Battle Cam
- Battle Near Jacinto
- Battle Outside of Jacinto
- Battle Outside of Nexus
- Battle Trawler
- Battle for Fucked
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