To install Madness: Project Nexus, simply run the file in whatever SWF player you have. A ton of games related to the franchise have been created over the years, yet one of the few official ones supported by the main creator is Madness: Project Nexus. Practically everybody on Newgrounds at least knows of it in passing, and it's so popular that it has its own official holiday on Newgrounds.
Its simple yet iconic art style, creative choreography and kills, and memorable setpieces have propelled it into stardom. Madness Combat is one of the most popular flash series of all time. You can click here to find one such program right here on our website. Warning: You need to have a program capable of running an SWF file to play this game.