Codex Entries are nearly 200 articles on the various aspects of World War One included in Battlefield 1, including weapons, vehicles, historical events, and more.
Weapon entries[]
| Codex | Requirements |
|---|---|
| 12G Automatic | Earn 10 kills with the 12g Automatic Shotgun |
| 1903 Hammerless | Earn 10 kills with the 1903 Pocket Hammerless Pistol |
| 1911 in York | Earn 5 kills with the M1911 Special |
| Anti-Tank Mines | Earn 10 kills with Mines |
| Auto Revolver | Earn 10 kills with the Auto Revolver |
| Bar M1918 | Earn 10 kills with the BAR M1918 |
| Bodeo 1889 Revolver | Earn 10 kills with the Bodeo 1889 |
| Boom Boom Boom | Earn 10 kills with Dynamite |
| British Bulldog | Earn 10 kills with the British Bulldog Revolver |
| Burning Man | Earn 10 kills with the Flame Trooper Elite Class |
| C-93 Pistol | Earn 10 kills with the C-93 Pistol |
| C96 | Earn 5 kills with the C96 Carbine |
| C96 Pistol | Earn 10 kills with the C96 Pistol |
| Cei-Rigotti | Earn 10 kills with the Cei-Rigotti Automatic Rifle |
| Formmer Stop Pistol | Earn 10 kills with the Formmer Stop Pistol |
| Frommer Stop | Earn 5 kills with the Frommer Stop Auto |
| Gasser M1870 Revolver | Earn 10 kills with the Gasser M1870 Revolver |
| Gewehr 98 | Earn 10 kills with the Gewehr 98 |
| Gewehr M. 95 | Earn 10 kills with the Gewehr M. 95 |
| Hand Grenades | Earn 10 kills with Grenades |
| Hellriegel 1915 | Earn 10 kills with the Hellriegel 1915 Submachinegun |
| Holes Through Steel | Earn 10 kills with the Tank Hunter Elite Class |
| Howdah Pistol | Earn 10 kills with the Howdah Pistol |
| Huot Automatic Rifle | Earn 10 kills with the Huot Automatic Rifle |
| Incoming | Earn 10 kills with Mortar |
| Infantry Support Weapons | Earn 10 kills with the AT Rocket Gun |
| K-Bullets | Kill an enemy with a K-bullet |
| Kolibri Pistol | Earn 10 kills with the Kolibri Pistol |
| Lange Pistole 08 | Earn 5 kills with the P08 Artillerie |
| M1897 Shotgun | Earn 10 kills with the M1897 Shotgun |
| M1903 | Earn 10 kills with the M1903 Rifle |
| M1907 Selfloading | Earn 10 kills with the M1907 SL Rifle |
| M1909 Benet Mercie | Earn 10 kills with the M1909 Benet Mercie Light Machine Gun |
| M1911 Pistol | Earn 10 kills with the M1911 Pistol |
| M1914 | Earn 10 kills with the M1914 Taschenpistole |
| Madsen MG | Earn 10 kills with the Madsen Light Machine Gun |
| Mars Automatic Pistol | Earn 10 kills with the Mars Automatic Pistol |
| Martini Henry | Earn 10 kills with the Martini Henry Rifle |
| Melee Warfare | Earn 10 kills with Melee Weapons |
| MG15 N.A | Earn 10 kills with the MG15 n.A Light Machine Gun |
| Mle 1903 Pistol | Earn 10 kills with the Mle 1903 Pistol |
| Model 10 Shotgun | Earn 10 kills with the Model 10 Shotgun |
| Model 8 Autoloading | Earn 10 kills with the Model 8 Autoloading Rifle |
| Modello 1915 Pistol | Earn 10 kills with the Modello 1915 Pistol |
| Modello 1918 | Earn 10 kills with the Modello 1918 Submachinegun |
| Mondragon | Earn 10 kills with the Mondragon Rifle |
| MP18 | Earn 10 kills with the MP19 Submachinegun |
| No. 3 Revolver | Earn 10 kills with the No. 3 Revolver |
| Optics | As a Scout, Earn 1 Marksman Headshot |
| P08 Pistol | Earn 10 kills with the P08 Pistol |
| Pieper M1893 | Earn 5 kills with the Peiper M1893 |
| QF 1 Pom-Pom | Earn 10 kills with the QF 1 AA |
| Queen of the Battlefield | Earn 10 kills with the Heavy Machine Gun |
| Repetierpistole M1912 | Earn 10 kills with the Repetierpistole M1912 |
| Russian 1895 | Earn 10 kills with the Russian 1895 Rifle |
| Selbstlader 1906 | Earn 10 kills with the Selbstlader 1906 Rifle |
| Selbstlader M1916 | Earn 10 kills with the Selbstlader M1916 Rifle |
| SMLE MKIII | Earn 10 kills with the SMLE MKIII Rifle |
| The Empires Best | Earn 10 kills with Elite Class Weapons |
| The Lewis Gun | Earn 10 kills with the Lewis Machine Gun |
| Walking Fury | Earn 10 kills with the Sentry Elite Class |
| Watch Your Step | Earn 10 kills with Tripwire Bombs |
Vehicles[]
| Codex | Requirements |
|---|---|
| Naval Warfare | Destroy an enemy Behemoth |
| Hell on Rails | Focus fire and destroy a part of an enemy Behemoth |
| Giants of the Seas | Focus fire and destroy a turret of an enemy Behemoth |
| The A7V Tank | Earn 10 kills with A7V Heavy Tank |
| RNAS Armored Car | Earn 10 kills with Armored Cars |
| “The Brisfit” | Earn 10 kills with Attack Planes |
| Gotha G.IV | Earn 10 kills with Bomber Planes |
| Sopwith Camel | Earn 10 kills with Fighter Planes |
| L30 Airship | Earn 10 kills with the Airship |
| The Armored Train | Earn 10 kills with the Armored Train |
| Artillery Truck | Earn 10 kills with the Artillery Truck |
| Dreadnaught | Earn 10 kills with the Dreadnaught |
| The FT Tank | Earn 10 kills with the FT Light Tank |
| The Mark V Tank | Earn 10 kills with the Mark V Landship |
| RAC Armored Car | Earn 15 kills with Armored Cars |
| Rumpler C.I | Earn 15 kills with Attack Planes |
| SPAD S XIII | Earn 15 kills with Fighter Planes |
| Terni Armored Car | Earn 20 kills with Armored Cars |
| Salmson 2 | Earn 20 kills with Attack Planes |
| DR.1 | Earn 20 kills with Fighter Planes |
| EV4 Armoured Car | Earn 5 kills with Armored Cars |
| Halberstadt CL.II | Earn 5 kills with Attack Planes |
| Caproni CA.5 | Earn 5 kills with Bomber Planes |
| Albatros D. III | Earn 5 kills with Fighter Planes |
| M.A.S. Torpedo Boat | Earn 5 kills with the M.A.S. Torpedo Boat |
| KFT Scout | Ride in Cars for 1 minute |
| M30 Scout | Ride in Cars for 3 minutes |
| 37/95 Scout | Ride in Cars for 5 minutes |
| MC 3.5HP Sidecar | Ride in Side-Car Motorcycles for 1 minute |
| MC 18J Sidecar | Ride in Side-Car Motorcycles for 3 minutes |
Tactics[]
| Codex | Requirements |
|---|---|
| Decoys in WW1 | As a Scout, have one of your Decoys destroyed |
| Camouflage | As a Scout, kill another Scout with your rifle |
| Battery Beyond | Collect all Field Manuals in Cape Helles |
| Gone Chemical | Collect all Field Manuals in Fog of War |
| Guerilla Warfare | Collect all Field Manuals in Hear the Desert |
| Alpine War | Collect all Field Manuals in O Tutti Accoppati |
| Tank Shock | Collect all Field Manuals in Over the Top |
| There’s Always a First | Collect all Field Manuals in Steel on Steel |
| Infantry Tactics | Complete a Squad Order 3 times |
| Bringing Down Giants | Disable the engine of an enemy Behemoth |
| Nowhere to Hide | Obtain 10 spot assists with the Spotting Flare |
| Demolitions | Earn 1 Debris Kill |
| Going Beneath | Earn 5 kills with the Sawed Off Shotgun |
| Syringe | Earn 5 revives with the Medical Syringe |
| Shock Trooper | Play for 30 minutes as the Assault Class |
| Sniper | Play for 30 minutes as the Scout Class |
| Suppressing Fire | Play for 30 minutes as the Support Class |
| Breakthrough at Last | Win 1 game of Operations |
| Trench Raiding | Win 1 game of Rush |
| Trench Warfare | Win 1 game of Team Deathmatch |
The War[]
| Codex | Requirements |
|---|---|
| The Big Guns | Call in the offshore barrage in Cape Helles |
| Gallipoli Myths | Collect all Field Manuals in Be Safe |
| Aircraft Support | Collect all Field Manuals in Breakdown |
| Coming Together | Collect all Field Manuals in O La Vittoria |
| Trench Runners | Collect all Field Manuals in The Runner |
| Jousting with Dragons | Collect the Field Manual in Forte et fidele |
| Among Peaks of Kings | Complete Avanti Savoia! |
| African American Troops | Complete Break of Dawn |
| Dawn of Dogfights | Complete Friends in High Places |
| Arab Revolt | Complete Nothing is Written |
| Conquer Hell | Complete Operation Conquer Hell |
| Iron Walls | Complete Operation Iron Walls |
| Kaiserschlacht | Complete Operation Kaiserschlacht |
| Oil of Empires | Complete Operation Oil of Empires |
| They Shall Not Pass | Complete the campaign |
| The Dardanelles | Complete The Runner |
| Towards Cambrai | Complete Through Mud and Blood |
| Drip Gun | Kill 10 enemies with a sidearm in The Runner |
| Sedd El Bahr | Kill 10 enemies with melee attacks in Be Safe |
| Where Eagles Dare | Kill 10 enemies with your sidearm in O Tutti Accoppati |
| Observation Balloons | Kill 5 enemies while on foot in Over the Top |
| River Clyde | Kill 5 enemies with grenades in Be Safe |
| Farina Armor | Kill 5 enemies with grenades in O La Vittoria |
| Geology | Kill 5 enemies with rifle grenades in The Runner |
| Airborne Cannons | Destroy 10 aircraft within 30 seconds using the stationary weapon in Forte et fidele |
| German Anti-Tank Tactics | Destroy all field guns in Over the Top |
| Beutepanzers | Destroy one of the captured Mark V tanks in Steel on Steel |
| Strategic Bombing | Destroy the fort in Total War |
| Desert Cars | Destroy the three vehicles while undetected in Hear the Desert |
| Bourlon Wood | Don’t let the tank get damaged before clearing the village in Steel on Steel |
| Dicta Boelcke | Don’t lose the trial during the chase in Test Flight |
| The Bedouin | Find the book without being detected in Hidden in Plain Sight |
| To Be Ace | Finish the target practice in Test Flight |
| A True Knight | Fly in planes for 30 minutes |
| Torpedo Exploit | Get 10 headshot kills in Cape Helles |
| Forest Combat | Get through the forest without any melee kills in Fog of War |
| Guiding Bess | Get through the forest without being detected in Fog of War |
| Bloody April | Have at least four bombers survive a bombing run in Total War |
| The Daring Ones | Join the fight as an Arditi Elite Troop in O La Vittoria |
| Planes Above the Sand | Keep at least 2 field guns operational in Hear the Desert |
| Gertrude Bell | Kill one of the officers by using a bolt-action rifle in Young Men’s Work |
| Tanks in the Desert | Kill one of the officers by using a tank in Young Men’s Work |
| T.E. Lawrence | Kill one of the officers with a melee attack in Young Men’s Work |
| Modern Marvels | Earn 1 Avenger Kill |
| First Aid | Earn 10 heals |
| What Century is this? | Earn 10 kills with Cavalry Weapons |
| Storm of Steel | Earn 10 kills with Stationary Weapons |
| Fortress | Earn 10 kills with the Fortress Gun |
| The Handyman | Make 10 repairs with the Repair Tool |
| Body Armor | Earn 3 Headshots |
| Colonial Troops | Earn 3 Kill Assists |
| Combat Medic | Play for 30 minutes as the Medic Class |
| No Man’s Land | Reach no man’s land undetected in Fall From Grace |
| Horses and Pigeons | Rescue a squad mate by killing his attacker |
| Stealing Tanks | Retrieve all engine components undetected in Breakdown |
| Tank Hunters | Retrieve the first engine component in Breakdown |
| Tank Crews | Ride in tanks for 30 minutes |
| The Hejaz Railway | Scout the crash site in Hidden in Plain Sight |
| A European Powder Keg | Start the campaign |
| Gotha Raids on London | Take down the bombers in Forte et fidele |
| Booby Traps | Use tripwire bombs to kill 2 enemies in Fall from Grace |
| Guns of August | Win 1 game of Conquest |
| Forgotten Deserts | Win 1 game of Sinai Desert |
| The St. Quentin Scar | Win 1 game of St. Quentin Scar |
| Vein of the Empire | Win 1 game of Suez |
| Unsung Heroes | Win 1 game of War Pigeons |
| Villers-Breonneux | Win 1 game on Amiens |
| Into Argonne Forest | Win 1 game on Argonne Forest |
| Le Chateau | Win 1 game on Ballroom Blitz |
| The Adriatic | Win 1 game on Empire’s Edge |
| AL-FAW | Win 1 game on Fao Fortress |
| Vittorio Veneto | Win 1 game on Monte Grappa |
| Beyond Belief | Witness the explosion of the mountain side in O Tutti Accoppati |
The World[]
| Codex | Requirements |
|---|---|
| A War in France | Collect all Field Manuals in Fall from Grace |
| Celebrities | Collect all Field Manuals in Hidden in Plain Sight |
| Women Rise | Collect all Field Manuals in Young Men’s Work |
| Mata Hari | Kill the last living member of a squad |
| A Changing World | Earn 1 Multikill |
| Total War | Earn 3 Suppression Assists |
| In War We Are Equal | Win 1 game of Domination |
| Austria-Hungary | Win 1 game while playing as Austro-Hungarian Empire |
| The British Empire | Win 1 game while playing as British Empire |
| The German Empire | Win 1 game while playing as German Empire |
| The Kingdom of Italy | Win 1 game while playing as Kingdom of Italy |
| The Ottoman Empire | Win 1 game while playing as Ottoman Empire |
| The United States | Win 1 game while playing as United States of America |