Friday Night Funkin' (FNF) is a free-to-play, open-source rhythm game developed by ninjamuffin99. The game has gained massive popularity due to its engaging gameplay, colorful graphics, and catchy music. Players control Boyfriend, who competes in singing and rapping battles against various opponents, including Girlfriend's father, Daddy Dearest. FNF features a unique gameplay mechanic, where players must press the correct arrow keys in sync with the music and the opponent's notes. The game has a strong focus on community, with many user-generated mods, including FNF mods, FNF unblocked versions, and even a FNF mod APK for mobile devices. In this article, we'll delve into the world of Friday Night Funkin', discussing its gameplay, features, and where to play it.