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Armored Core 4 has 37 missions. Every mission has a Hard Mode variant that includes differences such as new combat conditions and enemy types.

Chapter 1: Destination Unknown[]

Icon Mission Area Reward Objective
Mission icon FIRST STRIKE
"First Strike" Gryphon, The Independent City 40,000c Defeat Main Enemy

Chapter 2: Ordeal by Innocence[]

Icon Mission Area Reward Objective
Mission icon SWARMS OF RED EYES
"Swarms of Red Eyes" Eocene Base 50,000c Protect Target
Mission icon ELIMINATION
"Elimination" Hazen Facility 50,000c Defeat All Enemies
Mission icon DANGEROUS WATERS
"Dangerous Waters" Razghul Colony's Subterranean Facility 70,000c Defeat Main Enemy
Mission icon OPERATION DESCENT
"Operation: Descent" Cyclical Power Plant, Megalis 85,000c Defeat Main Enemy
Mission icon SHARPSHOOTING
"Sharpshooting" Gryphon, The Independent City 95,000c Defeat Target
Mission icon BALD-DORA
"Bald-Dora" Old Gelts'a Fortress 105,000c Defeat Target
Mission icon SANDSTORM CITADEL
"Sandstorm Citadel" Eritrean Stronghold 110,000c Defeat Target
Mission icon DESERT WOLF
"Desert Wolf" Abandoned City 100,000c Defeat Enemy Next

Chapter 3: Dumb Witness[]

Icon Mission Area Reward Objective
Mission icon AERIAL INTERDICTION
"Aerial Interdiction" Robert Mayer Bridge 168,000c Defeat Target
Mission icon ICEBREAKER DEFENSE
"Icebreaker Defense" The Antarctic Ocean 164,000c Protect Target
Mission icon Water Gliding
"Water Gliding" Former Chinese Shanghai 152,000c Defeat Target
Mission icon MIGHT MAKES RIGHT
"Might Makes Right" Razghul Colony's Subterranean Facility 186,000c Defeat Main Enemy
Mission icon BARBE-BLEUE
"Barbe-Bleue" Hejde Arsenal 185,000c Protect Target
Mission icon RETALIATION
"Retaliation" Colony Anatolia 157,000c Defeat All Enemies
Mission icon A DARK NIGHTS MARCH
"A Dark Night's March" Ganea Desert 164,000c Defeat Main Enemy
Mission icon UP IN FLAMES
"Up in Flames" Nasser Oil Refinery 192,000c Defeat Enemy Next
Mission icon INTERNAL PURGE
"Internal Purge" Hejde Arsenal 172,000c Destroy Target

Chapter 4: Towards Zero[]

Icon Mission Area Reward Objective
Mission icon EGO BOOST
"Ego Boost" Zextex Global Airport 154,000c Defeat Main Enemy
Mission icon FIREFLY
"Firefly" Gryphon, The Independent City 178,000c Defeat Main Enemy
Mission icon OPERATION ASCEND
"Operation: Ascend" Cyclical Power Plant, Megalis 192,000c Defeat Target
Mission icon LINE OF DEFENSE
"Line of Defense" Robert Mayer Bridge 165,000c Defeat Main Enemy
Mission icon SEA OF BLOOD
"Sea of Blood" Dornier Mining Station 178,000c Defeat Enemy Next
Mission icon THE WOMB
"The Womb" Levanteer Facility 164,000c Defeat Target
Mission icon EMPRESS
"Empress" The Antarctic Ocean 177,000c Defeat Enemy Next
Mission icon BREAK THE WHITE LANCE
"Break the White Lance" North Atlantic Sea 188,000c Defeat Target
Mission icon JUGGERNAUT
"Juggernaut" Gear Tunnel 154,000c Defeat Target

Chapter 5: Death Comes as the End[]

Icon Mission Area Reward Objective
Mission icon UNSEEN ASSAILANT
"Unseen Assailant" Razghul Colony's Subterranean Facility 148,000c Defeat Main Enemy
Mission icon HAIL OF BULLETS
"Hail of Bullets" Zextex Global Airport 161,000c Defeat Main Enemy
Mission icon SILENT AVALANCHE
"Silent Avalanche" The Sphere 195,000c Defeat Main Enemy
Mission icon FUTILE RESISTANCE
"Futile Resistance" The Sphere (Inside) 188,000c Defeat All Enemies
Mission icon PILLAR OF LIGHT
"Pillar of Light" Anti-Satellite Cannon, The Ehrenberg 177,000c Defeat Target
Mission icon SOL DIOS
"Sol Dios" Desert Pishin Lora 184,000c Defeat Target
Mission icon JARDIN DE CHAVALIER
"Jardin de Chavalier" Hazen Facility 168,000c Defeat Enemy Next
Mission icon MARCHE AU SUPPLICE
"Marche Au Supplice" Abandoned City 194,000c Defeat Enemy Next
Mission icon BITTER OBLIGATION
"Bitter Obligation" Exavil 165,000c Destroy Target

Chapter 6: And Then There Were None[]

Icon Mission Area Reward Objective
Mission icon SEED A BARREN EARTH
"Seed a Barren Earth" Colony Anatolia 200,000c Defeat Target

Trivia[]

  • Unlike in previous games, missions in Armored Core 4 are named after a theme or reference.
  • The chapter names are all titles to novels written by Agatha Christie.
  • Many of the missions names were altered in the US version.
Armored Core 4
Arena ("Simulator") Enter subpage
Characters AabyeAmazighAnatolia's MercenaryAnjouAy-PoolBerliozBorisovichCeloFiona JarnefeldtFranciscaEmill GustavEnrique ElkanoEugeneIakchosLeonhardtJanJoshua O'BrienKasumi SumikaK.K.Mary ShelleyMenno RuhMichael FMido AurielMrs. TheresiaNadezhda DroitPalmetteP. DamSadhanaSara AngelicSherringShinkaiShiv Anil AmbaniStilettoSusTepes VUnite MonsUnseelWarcarWong Shao-LungZanni
Enemies Enter subpage
Gameplay mechanics Over Boost
New: Primal ArmorQuick Boost
Locations Abandoned CityColony AnatoliaAntarctic OceanAnti-Satellite Cannon, The EhrenbergAspinaCyclical Power Plant, MegalisDesert Phishin LoraDornier Mining StationEocene BaseEritrean StrongholdExavilFormer Chinese ShanghaiGanea DesertGear TunnelGryphon, The Independent CityHazen FacilityHejde ArsenalLevanteer FacilityNasser Oil RefineryNorth Atlantic SeaOld Gelts'a FortressRazghul Colony's Subterranean FacilityRobert Mayer BridgeThe SphereZextex Global Airport
Missions Enter subpage
Organizations AkvavitAldraArisawa Heavy IndustriesAspinaBernard and Felix FoundationCougerEqbalGlobal ArmamentsGlobal Armaments EuropeLeonemeccanicaMeliesMSAC InternationalOmer Science TechnologyRayleonardRosenthalTechnocrat
Parts Enter subpage
Technologies Armored CoresKojima TechnologyMuscle TracersNEXTsNormalsPrimal ArmorSol Dios
Others CreditsEmblemsSoundtrackArmored Core: A New Order of "NEXT"Armored Core Designs 4 & for Answer
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