#1 The protagonist of Toby Fox's independent video game Undertale, Sans, will be facing off against Boyfriend of FNF game in three massive rap bouts set to the tracks "Whoopee," "Sansational," and "Final Stretch" for their second duel. When a danger alert displays, you'll also have to avoid strikes that target your bones. There will be an attack on you as well; you must choose your own path if you want to find the secret.