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Background

Bubble Core is a modification of Big Core MK I. It is the boss of stage 3 in Gradius IV. As the name implies, it shoots bubbles but is relatively easy nonetheless.

Attack Patterns

Bubble Core's attack pattern is just like Big Core MK I in that it moves up and down while shooting four lasers. In addition to this though, it has two arms that move slowly and release Bubbles. These Bubbles that break apart when shot enough times. The bubbles can move at various speeds, mostly medium, and serve as a distraction.

See also

Gradius IV
Ships Vic Viper
Stages Liquid MetalPlantBubbleMagmaMoaiCellHigh SpeedBoss RushFinal Fortress
Bosses Yorogaton ChimeraDendrodiumBubble CoreGilladorAlpha/OmegaBerialRolling CoreVanishing CoreBig Core MK IIICovered TetranBerserk CorePlanet CoreBloody GateCrab-IIGofer
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