FNF x Colorbox Mustard Home FNF x Colorbox Mustard 0.0 / 5 ( 0 votes ) Your Rating? Discover FNF x Colorbox Mustard – Play Free Now on GameHard! FNF x Colorbox Mustard is an Incredibox mod for Friday Night Funkin' featuring Matty Stampeedy and Bweswees Bizznip from Colorbox Mustard. Have fun playing this music battle FNF game here at RegionGame.com! Categories in which FNF x Colorbox Mustard is included: Cricket Ball 1 Player