In FNF vs Black Imposter: Getaway mod, you have to help Boyfriend win, because he is the main character of this game. During the duel, you will have to fight with the characters from Among Us, who will meet on the way and interfere with your battle.
There are several modes in FNF vs Black Imposter: Getaway mod, in one of which you are waiting for battles with Among Us, and in the other you can choose your character and fight with him. You can also upgrade your character by increasing the level of his characteristics and skills. In this mod, as in life, only one wins. If you do not want to become a victim, then you need to destroy the main enemy. To do this, you need to go through several levels, each of which is a battle scene.