List of Bosses

NOTE: This is a unfinished page.

This is a list of bosses who originally added in originally Metal Slug series. Bosses are enemies that always appear at the end of a mission. The player is forced to eliminate it in order to advance through the game. Bosses are always hard to kill and are mostly supported by other basic troops.

This is a list of bosses found in the Metal Slug game series.

Legacy:

* MB = Mini-bosses

* SB = Sub-bosses

Metal Slug (MS1 Routes)
Mission 1


 * Tetsuyuki (Improvised fortification constructed from a crashed Type 770 Takatsu-class aerial gunboat/bomber)

Mission 2


 * Mini-Bata (Self-propelled railway gun) *MB
 * Hairbuster Riberts (Prototype rebellion Heavy Bomber controlled by Donald Morden)

Mission 3


 * Allen O'Neil (Immortal elite soldier from the Rebel Army) *MB
 * Tani Oh (Giant self-propelled artillery armed with andro cannons)

Mission 4


 * Shoe & Karn (Cooperative mission tanks designed to cover each other's backs, acting in tandem)

Mission 5


 * Brown Shoe (Cooperative mission tanks designed to cover each other's backs, acting in tandem) *MB
 * Iron Nokana (Multi-role combat vehicle designed primarily to hold up large troop movements)

Final Mission


 * Hi-Do (Second generation attack helicopter built specifically for Donald Morden)

Metal Slug 2/X (MS2/X Routes)
Mission 1


 * Mosque Artillery (Three vigilance towers) *MB
 * Iron Nokana MK II (Multi-role combat vehicle designed primarily to hold up large troop movements)

Mission 2


 * Aeshi Nero (Giant subterranean excavator, basically a huge robot snake with a hypercharged andro cannon in its mouth)

Mission 3


 * The Keesi II (VTOL heavy bomber, a combined bomber and troop transport) *MB
 * Dragon Nosuke (Platformed urban tank used to defend vulnerable trains with a variety of weaponry)

Mission 4


 * Big Shiee ("Amphibious vehicle of destruction", basically a naval battleship on tracks)

Mission 5


 * Brown Shoe (One cooperative mission tanks designed to cover each other's backs, acting in tandem) *MB
 * Hozmi (Covert operation submarine built by the rebels using supplied Martian technology)

Final Mission


 * Allen O'Neil (Immortal elite soldier from the Rebel Army) *MB
 * Dai-Manji (UFO armed with energy bombs and an electric beam projector) *SB
 * Rugname (Martian mothership which has an underside port for a Dai-Manji to dock onto, hypercharging it's electric beam into a lethal laser)

Metal Slug 3 (MS3 Routes)
Mission 1


 * Twin Ohumein-Conga (only in the underwater route, these brown variants possess heavy armor and shoot acid-bubbles that float upwards) *MB
 * Huge Hermit (Giant hermit crab whose current shell used to be a large tank)

Mission 2


 * Monoeyes (Six alien guardians) *SB
 * Monoeye UFO (Alien artifact used by the Martians for a first strike, which defends itself by starting off a zombie plague among people near it)

Mission 3


 * Jupiter King (Giant nuclear-powered robot which defends the rebels' underwater weapons factory)

Mission 4


 * Sol Dae Rokker (Japanese sun god's instrument that guards the ruins)

Final Mission


 * Hairbuster Riberts (The same aircraft from the first game but controlled by Allen O'Neil) *MB
 * Hi-Do (The same attack helicopter from the first game but controlled by a Mars Person in disguise) *MB
 * Rugname (Martian mothership: the player fights three Dai-Manjis beforehand) *MB
 * Fake Rootmars (A caricature of Rootmars connected to the Rugname) *MB
 * Rootmars (Leader of the Mars People, who looks like a huge martian head with an exposed brain)

Metal Slug 4 (MS4 Routes)
Mission 1


 * Brave Guerrier (Amadeus blimp "Brave Guerrier")

Mission 2


 * Toschka Dalanue (Pillbox tower "Toschka Dalanue" controlled by Allen O'Neil)

Mission 3


 * The Iron (Improved multi-role combat vehicle "Iron" controlled by Donald Morden)

Mission 4


 * Big John (Giant machine doll converted by the Amadeus syndicate to carry zombie and mummy plagues)

Mission 5


 * Sea Satan (Submarine "Sea Satan" assisted by a destroyed Brave Guerrier)

Final Mission


 * Cyborg Allen O'Neil (Robotic version of Allen) *MB
 * Amadeus (Mad scientist who leads the Amadeus syndicate)

Metal Slug 5 (MS5 Routes)
Mission 1


 * Black Hound (Auto-piloted, Ptolemaic enhanced version of the Metal Slug) *MB
 * Metal Rear (Ptolemaic Ultra-giant Metal Slug: Unit #04 "Metal Rear")

Mission 2


 * Shooting Ray (Ptolemaic Large-sized aerial aircraft carrier: Unit #03 F-502 "Shooting Ray"/Horten Ho 229)

Mission 3


 * Screamer (Ptolemaic special unit: Unit #01 "Screamer")

Mission 4


 * Sandmarine (Ptolemaic amphibious assault landing ship: Unit #02 "Sandmarine")

Final Mission


 * Mammoth Tower (Ptolemaic tower with two robotic elephant heads controlled by two cultists) *SB
 * Avatar of Evil (Giant scythe-wielding demon)

Unused/Scrapped Boss

 * Stone Turtle (Ptolemaic giant turtles as ancient weapon was discovered by Ptolemaic Army) *MB
 * Ptolemaios (Leader of the Ptolemaic Army who fights on a floating pillar) *SB

Metal Slug 6 (MS6 Routes)
Mission 1


 * Bull Drill (Giant Rebel drilling machine)

Mission 2


 * Iron Sentinel (Large rocket launching tank that slides the downhill controlled by Donald Morden)

Mission 3


 * Brain Robot (Invader robot controlled by a giant brain)

Mission 4


 * Elder Centipede (Giant worm found in the ocean)

Final Mission


 * Invader Controller (Green robotic variant of the Flying Parasite that controls one of the main characters not chosen) *MB
 * Invader King (Leader of the Invaders)

Metal Slug 7/XX (MS7/XX Routes)
Mission 1


 * Scrap Tower (Small tower made out of garbage protecting the entrance to the Rebel base) *MB
 * Worm Mecha (Giant worm-like drill machine controlled by Donald Morden)

Mission 2


 * Crablops (Giant crab-cyclops robot)

Mission 3


 * Destroyed Crablops (The same robot from Mission 2 but this time its legs are separated from its head)

Mission 4


 * Fall Mecha (Giant gorilla-like robot that climbs the waterfall)

Mission 5


 * The Union (Vehicle that can separate in three different parts)

Mission 6


 * Rebel Gigant (Giant walker controlled by Allen O'Neil)

Final Mission


 * Big Gate (Time portal that transports Future Rebel troops and weapons to the present) *MB
 * Kraken (Giant octopus-like robot controlled by Donald Morden)