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The Brain Robot is the third boss of Metal Slug 6.

Information

The Brain Robot, as its name implies, is a robot controlled by an artificial brain. The brain is stored inside a glass dome filled with fluid to protect and preserve it. It also has eyes connected to the brain through nerves. Its appearance may look sorrowful as it wanders around alone in the sewers of Mission 3.

Details

The entire fight resembles the Huge Hermit's, where the boss chases the player from the left. It continually uses its brainpower to send homing electric balls. When crouched, it can either send a wave of electric balls or electrocute the sewer water. Sometimes, the Brain Robot will pick up a large vehicle and toss it.

Getting too close to the Brain Robot will make it attack with its mechanical claws. Doing this five times enrages the Brain Robot represented by it stomping the ground in place. Its walking animation then changes to wildly swinging its arms back and forth greatly reducing mobility space.

The sewers has several boxes that can be used to dodge the electrocuted waters. Destroying these boxes may give out weapon crates.

The player has access to the Protogunner prior to entering the arena. Unlike the Slugs found in the Huge Hermit fight, the Protogunner's Vulcan does not move in reverse. It does have a Vulcan Fix, locking the Vulcan's position by holding down the fire button.

Variants

BrainRobot.gif Brain Robot: The original model built by the Invaders.
Mars Brain Robot: The Martians' take on the Invaders' model, it was built by the Professor. It is stronger than the original model, possessing stronger attacks and is completely red. Appears in Metal Slug Attack.
Runaway Brain Robot: A Brain Robot on a rampage, due to constant Invader tinkering on the robot. It possesses more armor and stronger attacks. Appears in Metal Slug Attack.
Necro Brain Robot: A Brain Robot filled with necrotic organic parts. Functions similarly to the original in-game apart from the energy shots.

Trivia

  • The Brain Robot's introductory pose somewhat resembles the Chinese Mantis Kung Fu style.
  • In Metal Slug Attack, the Brain Robot's antennae loops incorrectly.
Metal Slug 6
Heroes Marco RossiTarma RovingEri KasamotoFio GermiRalf JonesClark Still
NPCs Riviera von WittenbergMaryell von WittenbergPOWRumi AikawaMadoka AikawaHyakutaro IchimonjiDonald MordenRebel ArmyChinese SoldierMartiansRootmarsInvadersAnnouncerParkerPupipi
Enemies FanaticsGrenade SoldierBazooka SoldierShielded SoldierRebel RiflemanMortarGatling SoldierHuntersMars PeopleMini-UFOInvader InfantryWinged InvaderFlying ParasiteHunter WalkerGiant Hunter WalkerSpace Mole CricketCrab-TankVanguardSmasherInvader UFOFlying SheltFlying CoreFlying KillerMaggot
Enemy Vehicles Di-CokkaT-2B Melty HoneyMV-280CNop-03 SarubiaGirida-OM-15A Bradley3-ton Utility TruckWalking LocomotiveR-ShobuMH-6S Masknell
Bosses Bull DrillIron SentinelBrain RobotElder CentipedeInvader King
Mini-Bosses: Controller
Weapons Heavy Machine GunRocket LauncherShotgunFlame ShotEnemy ChaserIron LizardSuper GrenadeDrop ShotTwo Machine GunsZantetsu SwordGrenadeFire Bomb
Slugs SV-001 (Type-R) • Slug FlyerDonkey SlugProtogunnerRootmars SlugSlug Digger
Missions African WindsThe Illusion of El DoradoAsian ImpactGolden Bridge is Falling DownAncient Law
Other Combat SchoolWeapon StockRush Blaster System
Bosses
Metal Slug TetsuyukiHairbuster RibertsTani OhShoe & KarnIron NokanaHi-Do
Mini-Bosses: Mini-BataAllen O'Neil
Metal Slug 2/X The Keesi II / Iron Nokana MK II (X) • Aeshi NeroDragon NosukeBig ShieeHozmiRugname
Mini-Bosses: Mosque ArtilleryThe Keesi II (X) • Karn (X) • Allen O'NeilDai-Manji
Metal Slug 3 Huge HermitMonoeye UFOJupiter KingSol Dae RokkerRootmars
Mini-Bosses: Twin Ohumein-CongaMonoeyesHairbuster RibertsHi-DoRugnameFake RootmarsClone Incubator
Metal Slug 4 Brave GuerrierToschka DalanueThe IronBig JohnSea SatanAmadeus Mother Computer
Mini-Bosses: Mecha Allen O'Neil
Metal Slug 5 Metal RearShooting RayScreamerSand MarineAvatar of Evil
Mini-Bosses: Black HoundStone Turtle (unused) • Gaia ElephantPtolemaios (unused)
Metal Slug 6 Bull DrillIron SentinelBrain RobotElder CentipedeInvader King
Mini-Bosses: Invader ControllerKing's Cocoon
Metal Slug 7/XX Iron Death WormCrablopsDestroyed CrablopsFall ClimberThe UnionRebel GigantKraken
Mini-Bosses: Scrap TowerBig Gate
Metal Slug: 1st Mission Rebel VTOLRebel TrainMacbaRebel ZeppelinElectromagnetic CraneWeapons Port BossMetal Strider
Mini-Bosses: Facility ElevatorMacbaRebel Truck
Metal Slug: 2nd Mission Big BerthaTerrain CarrierRebel ReactorMacbaRebel SubmarineTani OhWiredRebel AirplaneMetal StriderRocket UFO
Mini-Bosses: Power GeneratorsRebel RocketHyakutaro
Metal Slug Advance FormorEmain MachaKaladgolgThe Keesi IIICabracan
Mini-Bosses: Allen Jr.
Metal Slug 3D ParachuetruckMosque ArtillerySpider-BotUnderground Cruise MissileMorden's BattleshipMorden's CastleAllen O'NeilLugusLieu
Metal Slug Attack Pharaoh's ArcPtolemaiosBall SlugGreat MotherMars GigantalosK-O3 Coupled Armored VehicleLand BlowfishCyclobsterSlug SquareZoni DolomaQuadro JumperDenturionD-GuFortmeranianRock MoleGiant CopterEt A OmnisVortexDigger BaseCrusty LegsArmored CrawlerQueen Big Snail7000 Class LocomotiveRiviere HyllMetal Fusioner No.223Drum SlugMars WolfSea DragonTetsujin SquadLa TorneGigantnoidDark GateKnight TankImpact CannonDive Assault Cannon Andrew
Mobile games Rocket Control RoomUnknown AlienHellfireSpiderbotCyclopsMega Laser TurretMars Battle UFOM-32 Water Carrier PlaneKouraiAlien Floating Structure
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