In the rhythm game mod Skeleton Bros Vs. Chara for Friday Night Funkin’, players guide Boyfriend through rap battles against Undertale’s iconic characters. Accessible fast and easy on kbhgames.com, the mod starts with a showdown against Papyrus, where hitting notes to “Nyeh Heh Heh” requires focus despite his chaotic energy. Next, Sans challenges players to “Bonely One,” blending upbeat music with precision-timed inputs. The intensity spikes in “Not Enough,” as Sans traps Boyfriend in bone cages mid-song, forcing players to multitask breaking free while keeping the beat. The final track, “No More Deals,” pits players against Chara, who hurls knives that must be dodged without missing lyrics. Two difficulty modes let players choose between controlling Boyfriend or Chara, while Freeplay adds bonus tracks like “Eeeechrome” and “Parasite Sans.” Designed for quick sessions, the mod balances catchy tunes with strategic gameplay, testing rhythm skills under pressure. Its straightforward mechanics and recognizable characters make it a fitting pick for casual or competitive play. Songs: Undertale week: Nyeh heh heh – Double Bone – Bonely One – Final Judgment – No More Deals Dusttale week: The Murder – Psycomania – Red Megalovania – Gettin’ In Troubles Remixes: No More Deals Remix – L.O.V.E – Not Enough Challenges: Eeeechrome – Drop Pop Calcium – Tears in the Rain – GigaSansdust – Susie Mod Credits: If you had fun, make sure to check out the social media of the creators below, and follow them for more updates and other cool stuff. Owner, main programmer: Jloor / Co-owner, artist and main animator: Zero Artist Main musician, Charter: Jhaix / Musicians: AlexR – Awe – NexusMoon Programmers: Manux – Yirius125 – lunarcleint Main charter: RewindVA / Charter: Luchin19 – Tok – comic. Artists: Cape. – Keneth YT – SoyJulian Voices : VokingFox Game Engine Credits: Shadow Mario: Main Programmer Yoshubs: Assistant Programmer RiverOaken: Main Artist/Animator bbpanzu: Ex-Programmer Also everyone that contributed on GitHub. Original FNF Credits: ninja_muffin99 – Programming PhantomArcade3k and evilsk8r – ARTISTS kawaisprite – TASTY MUSIC AND everyone that contributed to the GitHub source. This is a online web port version to ensure it is more accessible to a broader range of players, regardless of their device or operating system. Please note this port by KBHGAMES.com may differ slightly from the PC version. For the full experience, consider downloading the PC version. Thanks.