Mugen is the 2d graphics engine that allows you to create fighting games in the style of Street Fighter, King of Fighter and others, created by the software house Elecbyte back in 1999, with the C programming language.
Thanks to Mugen you can create your own fighting game style, customizing it 100%, inserting the characters you prefer, the stages related to each character, the entire graphic interface, in short, the entire game is totally customizable.
You can read More on Wikipedia.
Attack Potency: Universe level+ (Much stronger than both Super Saiyan Blue Goku and Vegeta even in his base form) | Universe level+ (Stronger than in base. Fought Super Saiyan Broly as a Super Saiyan) | At least Universe level+ (Defeated Super Saiyan Broly (Full Power) with relative ease)
Speed: Massively FTL+ (Much faster than both Super Saiyan Blue Goku and Vegeta even in his base form) | Massively FTL+ (Faster than before. Fought Super Saiyan Broly as a Super Saiyan) | Massively FTL+ (Faster than Super Saiyan Broly (Full Power) as a Super Saiyan Blue)