In the vast, chaotic, and endlessly creative world of —the freeware 2D fighting game engine—few characters command as much respect, hype, and sheer terror as Goku MUI (Mastered Ultra Instinct) . For fans of Dragon Ball Super , the transformation represented the pinnacle of martial arts: a state where the body moves and fights independently of conscious thought. In M.U.G.E.N, this concept is taken to its logical, and often absurd, extreme.
Let’s be honest: sometimes you just want to see Goku destroy everyone. Some creators build "Cheap" or "Boss" versions of MUI Goku that have infinite power bars, screen-filling ultimates, and 100% dodge rates. These are fun for watching the AI fight other "god-tier" characters like Omega Rugal or Golden Frieza. Key Mechanics and Moves
While every version differs, most characters share these core abilities:
Ensure the main folder name matches the internal .def file perfectly. For example, if the folder is named Goku_MUI_JUS , the file inside must be named Goku_MUI_JUS.def . goku mui mugen
Some lazy creators take a single image of MUI Goku from Dragon Ball FighterZ , paste it into Mugen, and give it one move: a screen-filling white box that deals 100% damage. These characters are boring and widely hated.
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While official multipliers are rarely confirmed, fan calculations and in-show evidence suggest staggering numbers. To put it in perspective: In the vast, chaotic, and endlessly creative world
Because MUGEN is open-source, dozens of different authors have coded their own interpretations of Mastered Ultra Instinct Goku. They generally fall into three distinct tiers: 1. The Screen-Breaking Overpowered (OP) JUS Style
Use heavy cardstock or vellum board (at least 180g/m²) for durability. Essential Tools: Precision knife (like an X-ACTO knife).
Because MUGEN is open-source, dozens of creators have built their own versions of Goku MUI. Here are the three most famous variants you can find online: JUS Variant (Jump Ultimate Stars) Stylized, small-scale 8-bit/16-bit handheld sprites. Let’s be honest: sometimes you just want to
Use the [State -2] or [State -3] (background states) to check if Goku is in a "standing," "crouching," or "walking" state. If an opponent's HitDef (attack) is detected within a specific range, trigger a teleport animation ( AfterImage or PosAdd ) that moves Goku behind the opponent or simply makes him intangible for a few frames. 2. "After-Image" Counter Strikes MUI doesn't just dodge; it punishes.
In the canonical Dragon Ball Super anime (Tournament of Power arc), Ultra Instinct is the ultimate divine technique. It separates consciousness from the body, allowing automatic dodging and counter-attacks.
Extract the contents of the archive using a program like WinRAR or 7-Zip. Inside, you will see a folder containing files like Goku_MUI.def , Goku_MUI.cmd , Goku_MUI.air , and various .sff or .snd files.