The Mini-Sub 88 is a rebel submarine in Metal Slug 3.


The rapid expansion of the Rebel Army meant that they will soon need a vehicle for each differing environments on the earth. After some designing, Rebel engineers came up with the Mini-Sub 88, created to explore and conquer areas underneath the waves. According to Metal Slug 3D's artwork, These tiny submersibles were piloted by 3 Rebel scuba divers. Its larger cousin, U25U however is remotely-operated .

Upgrades and variants

Ptolemaic variant: Slightly faster and bigger than the Rebel's version. Has weaker armor due to optimizing firepower.


  • The Rebel submarine looks like a Delta-class submarine.
  • The Ptolemaic variant might based from a Typhoon-class submarine.
  • Both variants are smaller and less destructive.
  • They appear as minor enemies of the game In The Hunt
  • It appears as White Baby's attack in Metal Slug Attack as an Amadeus Submarine.
Rebel Vehicles
Combat Di-Cokka | Bull Chan | Girida-O | Iron Iso | Melty Honey | MV-280B | Mini-Bata | M-15A Bradley | LV Armor | MV-280C | Japanese Tank Soldier
Support MV-280A | Dararin Dara Dara | 3-ton Utility Truck | Landseek | Nop-03 Sarubia | M-3 Rocket Launch Support Van | Double-Decker Bus | MG-36 | Ferry Boat | Subway | Turrets | Morden Saucer | Walking Locomotive | Garbage Fortress | Mine Carts
Aerial R-Shobu | MH-6J Masknell | Flying Tara | Eaca-B | Null Fighter
Marine Hammer-Yang | Jet Hammer-Yang | U25U | Mini-Sub 88
Vigilance Mosque Artillery | Patrol Robot | Supervisory Camera | Sensor Mine | Morden Robot | Metal Mole | Laser Drone | Pods | Rebel Walker | Balor
Ptolemaic Black Hound | Hover Vehicle | Hover Unit | A.P.C. | Ptolemaic Slug | Wall Drone | Units | Ptolemaic Saucer | Mammoth Tower