[b][i]Mighty Gunvolt[/i][/b] ([i]Gal☆Gunvolt[/i] in Japan) is a retro-styled action-platforming game by "Inti Creates":http://en.wikipedia.org/wiki/Inti_Creates as a spin-off to their [i][[Azure Striker Gunvolt]][/i] series. It features a crossover of [i][[Azure Striker Gunvolt]][/i], [i][[Mighty No. 9]][/i], and [i][[gal_gun|Gal☆Gun]][/i] in a Famicom/NES-styled mini-game reminiscent of "[i]Mighty Final Fight[/i]":https://en.wikipedia.org/wiki/Mighty_Final_Fight with each series' representative protagonists as they attempt to foil the Sumeragi Group's plot of hunting down idols to serve as a replacement for Lumen. The gameplay is a [i]heavily[/i] stripped-down version of [i][[Mega Man (series)|]][/i], as players go through a small set of linear stages with only each character's standard weapon to take on legions of enemies from their respective series. 

A sequel, [i][[Mighty Gunvolt Burst]][/i], was released in 2017 for the Nintendo Switch and 3DS with subsequent re-releases on PlayStation 4 and Windows PC.
mighty gunvolt