The Quadro Jumper is an ancient weapon unearthed along with Lucy's frog mecha and the Stone Turtle, exclusive to Metal Slug Attack. It first made its debut on the game's event titled 'Try Line 8th', where the boss can also become a playable unit.
A super mobile jumping tank developed by the Ptolemaic Army's genius mechanic. It makes sport of enemies by utilizing mobility and flexibility unheard of in a four-legged tank. Its astounding jumping ability was developed referencing recently recovered ancient weaponry.
- ~Metal Slug Attack in-game description.
In Metal Slug Attack's event, this boss is fought at the last stage. It moves towards the player at a rapid pace and stops at a distance to fire a laser beam from its gun. Units up close to it are instead pummeled with a short flurry of kicks.
The special attack of the boss lets prompts it to rush to the nearest enemy unit and unleash a flurry of whips that deals a massive amount of damage to unfortunate targets. It is also able to evade attacks by bouncing around on two of its legs.
- Its form resembles the AT-ST from Star Wars.