literally Friday Night Funkin Undertale mod lemonboi is a free online rhythm game mod available at fnf.gosprunki.net. This unique crossover combines the rhythm gameplay of Friday Night Funkin with Undertale-inspired elements. The mod is best experienced on TurboWarp for smooth 60 FPS gameplay – access it directly via https://turbowarp.org/499634772?fps=60.
This version contains no additional mods, but the creator encourages players to remix the project on Scratch (originally created February 16th) to add their own mods and features. It's a perfect starting point for aspiring FNF mod developers.