7 FB Neo or FBN as it is commonly known is an emulator of arcade games, that is, it takes the program code, graphic data, ... from an orginal arcade game and emulate the hardware to make the game run in it's original form. As far as the game is concerned it is running in it's original cabinet. FBN is an open-source project and it is programmed by a group of people known as the FBNeo team. Many of the developers of this project also worked on FB Alpha. FBN is based on FinalBurn and old versions of MAME.