You have already played mods that feature Sans from UnderTale, we are now pleased to announce that more characters from the show are going to make their FNF debut! The name of this fun new mod is FNF vs UnderTale, where you perform on 4 new tracks, they are Custom Tutorial (play the tutorial to learn the new mechanic), Megalovania, Hopes and Dreams and Your Worst Nightmare.
Choose whichever mode you like the most and begin the game, just make sure that each track is ended in perfect sync with the notes. We hope you have a fun time playing, good luck!
If the game is not working for you, try to refresh the page clicking CTRL+SHIFT+R. If it is still not working then report the game and we will review it.