Friday Night Funkin 1 is a free online rhythm game available at fnf.gosprunki.net. This classic FNF experience brings back the core DDR-style gameplay: press the arrow keys when the note arrow matches the target arrow. The creator spent all night perfecting the mom and mom+dad charts and apologizes if they aren't perfect – a labor of love dedicated to notflamingo12's original game.
The game includes a fun tagline: “We gettin' freaky on a Friday Night, yeah!” The creator also recommends checking out their other projects, including “friday night funkin 2” – more rhythm fun awaits.