Since the release of the game, developers made the code open to public so there is many FNF mods with different characters and songs, some of most popular FNF GAMES are: 1.FNF vs Sonic.exe 2.FNF vs Whitty 3.FNF vs Baldi 4.FNF vs Impostor Choose your favorite FNF game mod, enter the dance arena and show them your dancing skills. [email protected] WhatsApp. Home; About Us; Franchise. The Store; Machinery; Furniture. Their number of 15 was given as a homage to Undertale's release date, 2015. It could also be a reference to how the song "sans." is the 15th song in the Undertale OST. It has been confirmed that "sans." being the 15th song in the Undertale OST was a.