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Big Core MK I is the famous staple boss in the Gradius series. They are usually found in a Gradius game in one form or another as an actual stage boss, in a boss run, or as regular enemies. (In Gradius V, they are very numerous in stage 3 at several parts and in stage 7 at the beginning of the stage.) In Gradius Gaiden, it is in the second stage as one of the boss debris. In Nemesis II (MSX) before boss 4, a fleet of them appear for you to destroy.

Other games have made several variants of the Big Core MK I that have it with extra armaments, different attack patterns, or transformations.

In Gradius NEO Imperial, Big Core MK I is the player's vessel instead of the Vic Viper. Here some additional weapons are available besides the traditional four laser shot.

Attack Patterns

Big Core MK I attacks by shooting four blue lasers at the player while moving up and down. They have only one core (the weakness for most bosses) which is protected by four panels. It is usually easy to destroy.

However in Jikkyou Oshaberi Parodius, it becomes a little harder to deal with. At first it will attack normally, but it will suddenly turn around and begin attacking you from behind. When it returns to the right side, it will move faster and shoot it's lasers haphazardly and non-sequentially.

Anime

The Big Core appears in the second episode of the Salamander anime series. It emerges from the Bacterian infested planet the heroes investigate, sending a huge wave of Rugals when they retreat. It reappears again later, as the Gradian forces shoot it down and apparently destroy it.

Gallery

Trivia

  • Big Core MK I is also a Yu-Gi-Oh! card and appeared in Yu-Gi-Oh! GX Episode 71.
  • In Rocket Knight Adventures, the design of the Big Core is used as a miniboss called the Pulsating Plasma Blaster. It initially travels on legs, and then flies once they are destroyed. In flight, it also utilizes multiple tentacles similar to Tetran.
  • It also guest stars in a mini game in Blades of Steel.
  • In Otomedius Excellent, if Tita Nium is used by the player, then she comments that Old Big Core's code is incompatible (to her BC-SYSTEM, it would seem) when she enters the barrier section of the ship to fight the gunwall.
  • The background video for GRADIUS 2012 in beatmania IIDX 20 tricoro sees the Vic Viper joined by a friendly Big Core MK I.
Gradius
Ships Vic Viper
Stages VolcanoStonehengeMoaiReverse VolcanoWasteland (PCE) • TentacleCellBase
Sub Bosses VolcanoZub RushMother and ChildIron MaidenTentacleElectronic Cage

Re-Bone (PC Engine) • Tornado (MSX) • Tyran Pace (MSX)

Bosses Big CoreCell NucleusXaerous Brain
Gradius II
Ships Vic Viper
Stages (Arcade) Artificial SunAlienCrystalVolcanoRevenge of MoaiHigh Speed ZoneBoss RushGofer Ship Interior
Port-Exclusive Stages Volcano - Crystal (NES) • Enemy Base (NES) • Gofer's Lair (NES) • Temple (PC-E)
Bosses PhoenixBig EyeGiga (NES) • Crystal CoreDeath MK IIJumping MoaiBig MoaiDesert Core (PC Engine) • Big Core MK IIZub RushBig CoreTetranGawIntruderZelos Force (NES) • Covered CoreDemosCrabGofer
Gradius III
Ships Vic Viper
Stages DesertBubble ZoneVolcanic PlanetHigh Speed DimensionMoai ZoneCell PlanetProminence PlanetPlant PlanetCrystal ZoneBoss RushMechanical Base
SNES Exclusive Stages High Speed ZoneFortressCell
Bosses GoliathBubble EyeGodreiBig Core MK IIIDogasVaifTwin Vaif (SNES) • GregolWyvernVulture DragonChoking WeedLizard CoreBeacon (SNES) • TetranCovered CoreBig Core MK IICrystal CoreDeath MK IIDellinger CoreDisruptShadow GearShadow Gear MK II (SNES) • Big CoreBrain GolemBacterion
Gradius V
Ships Vic Viper T-301
Stages Planet Gradius Satellite OrbitPlanet Gradius City Sky APlanet Gradius Urban Underground HierarchyBacterian Cell CenterAsteroid Front BaseBacterian Multiplication PlantBacterian Fortification CenterPlanet Gradius City Sky B
Bosses Big Core Rev. 1.2Venom (Lower) • Death MK IIITetranBig Core MK IIBig Core MK IVGround SpiderHuge HeartBlaster Cannon CoreRolling CoreCircle CoreBig Core MK IIICovered Core MK IIBeaconKeeper's CoreElephant GearVenom (Upper)
Gradius NEO Series
Characters/Ships Force ViperBig Core CustomLars Empire
Gradius NEO Bosses Satellite CoreCrystal MoaiGiganticOgre ShieldBig Core X 3Central Server
Gradius NEO Imperial Bosses Big CoreSatellite Core MK IIDeadalusCrystal MoaiGenocide Core
Salamander
Ships Vic ViperLord British (Lord British)• Sabel Tiger and Thrasher (Iggy Rock and Zowie Scott) • Super CobraGalaxyPurple EmperorRed Devil
Salamander stages Bionic GermMeteorite SpaceBurning ChaosVolcano AreaSalamander Planetoid
Salamander (MSX) stages Top Flight Speed to LatisConduct to Space Station ZotSet the Crush Blow System - Planet EioneusSet the Crush Blow System - Planet LaviniaSet the Crush Blow System - Planet KierkeWrath of VenomCrush Salamander
Life Force-only stages Organic Speed ZoneTemple Zone
Salamander 2 stages Sub-life SpaceProminence FortressBio HazardHuge BattleshipAsteroidDoom Fortress
Salamander bosses Brain GolemTetranIntruderFortress ValisDeathBig Core X3Jumping MoaiZelos Force
Port exclusive bosses ZylomGawGigaTutankhamonDead EndEnigmaTrue VenomMetal SlaveZelos Barrier
Salamander 2 bosses BiterHydraAbadonTenny RopPlate CoreCerberusDoom
Nemesis
Characters James Burton (Metalion) • David Burton (Vixen) • GaudieVenomVenom's AidesLars 17thWreek
Nemesis 2 stages Colossus PlanetPlant PlanetAncient PlanetFloating ContinentsPlanet of FireLiving PlanetSinAsteroid BeltWater PlanetVenom Mothership
Nemesis 3 stages SunPlantGravityPast-BossMoaiHellSandCellFactoryGofer Ship
Nemesis 2 bosses SoddRiot WarshipMisfit WarshipBig Core X10Mayhem WarshipDoomSinarAbaddon WarshipVenom
Nemesis '90 Kai exclusive bosses Lizard CoreLaser CoreBig Core MK II KaiBeta Core
Nemesis 3 bosses Geezer ButlerHans NaughtyTetranAbaddon WarshipMisfit WarshipBig CoreArmored SaintLynyrd SkynyrdTriumph KicksKiller DwarfCrab WarlockQueensrÿcheGofer
Solar Assault
Ships Vic ViperLord BritishAlpinia
Stages (Arcade) The River StyxFierce BlazeCurseAbyssal ForestSpeed DemonSolar Assault
Bosses Big Core MK IIntruderTutankhamonDinosaurBig Core MK IICrab
Jikkyō Oshaberi Parodius
Characters Takohiko and BelialVic Viper and Lord BritishPentaro and HanakoTwinBee and WinBeeSue and MemimMike and RanSoitsu and DoitsuUpa and RupaDracula-kun and Kid DraculaMr. Past Glory
Stages Hip Hop DiscoSchoolDonburi FieldsEdoSweet LandHigh Speed PatrolFiesta BasePolygon Space (Omake 1) • Grand Prix (Omake 2)
Bosses Mirror BallJudyEnormous Hikaru and AkaneMardock and Warumon's ShipsBaron BeeBoin BeeGoemon CompactDecoration Core MK IIKitty TrainBig Core MK I (SNES) • Ghost Woman (SNES) • Big Baron Bee (SNES) • John Wanjiro (PSX) • Penkuro (PSX) • Temple LordMr. Goldfish's Selling FortressChichibinta RikaBacteriyaRobot Wall
Otomedius
Main Characters Aoba AnoaErul TronEmon-5MadokaDiol TweeTita NiumEsmeraldaPoini CoonArnvalStrarfGesshi HanafuumaKokoro Belmont
Supporting Characters OperettaPrincess IreneKonami LadyEmon-8Pastel
Antagonists ElizaTiti XIVYoshikoGofer SistersMeta LiumNeko SenchoT.B. RikaRyukotsukiShiori FujisakiRuby and CobaltDark Force
Otomedius / Gorgeous stages San Salvador IslandTokyoCanadian RockiesEaster IslandAlexandriaAntarcticaValhalla
Otomedius X: Excellent! stages The Big WaveMidnight TetranSpelunker of HellThe Ancient BacterianThe Return of Cosmic WarDark Force's Ambition Part 1Dark Force's Ambition Part 2Dark Force's Ambition Part 3Skills to the TestMessage from Emon-5The Reunion
Otomedius / Gorgeous bosses Eliza's Pet SealEyegolBig Core DX-01Scrab CoreCrystal Core D-X02Big CoreAbaddon WarshipMayhem WarshipTetranViva CoreManbowBig Core MK IIRolling CoreCovered Core MK IIDeathZelos Force FortuneOdin Core
Otomedius X: Excellent! bosses Mirrored CoreTri-Pod CoreSerpent-CoreBig Core DXOld Big CoreHeaven's GatePerla MeraldaNeo Big CoreMisfit WarshipDellinger CoreMetal SlaveGunner WallBlack ViperDeath BringerScramble ShipBisumaru ExcellentWinBee
Core Warships
Big Cores Big Core MK IBig Core Rev. 1.2Big Core MK IIBig Core MK II KaiBig Core MK IIIBig Core MK IV
Big Core variants BeaconBlaster Cannon CoreBubble CoreCircle CoreCoreshipCrater CoreCrystal CoreDellinger CoreDesert CoreHeaven's GateJuggler CoreLaser CoreLizard CoreNeo Big CorePerla MeraldaRexion CoreRolling CoreShining CoreSuper Big CoreTerra CoreVanishing CoreViva CoreGenocide CoreOdin Core
Core-style bosses Abaddon WarshipBubble EyeCovered CoreCovered Core MK IIDead EndKrakenMayhem WarshipMetal SlaveMisfit WarshipQueensrÿcheRiot WarshipPlate Core
Pseudo-Cores DeathDeath MK II (DeathDouble) • Death MK IIIBeta CoreNobilTriple CoreCrash Bam
Tetran variants Tetran (Zylom) • Covered TetranCrystal Core D-X02Laser TetranTenny Rop
Salamander (OVA)
Episodes Episode 1: SalamanderEpisode 2: Paula's MeditationEpisode 3: Gofer's Ambition
Characters Ike Lord BritishDanStephanie McBainEddie EvansDoromoMinistersLee McBainPaulaGofer
Enemies RugalSharp CrossBrain GolemGigaZelos ForceIntruderTentacleBig Core MK IMoaiXaerous BrainFire DragonDeath HandBig EyeDee-01Phoenix