The achievement for attacking five people in a single game as Crusader is "Just a Flesh Wound".
The achievement for winning five games as Vampire Hunter is "Abraham Lincoln".
The achievement for killing three Vampires in a single game as Vampire Hunter is "Buffy the Vampire Slayer".
The achievement for killing two Vampires in a single night as Vampire Hunter is "Constantine".
The achievement for roleblocking the Godfather as Consort is "It's a trap!". In the second game, this title was changed to winning a single game as the Trapper.
The achievement for being promoted to Godfather as Mafioso is "Michael Corleone".
The achievement for igniting five or more people in a single night as Arsonist is "Disco Inferno".
One of the skins released, the Nurse, looks similar to Nurse Akali from League of Legends, which the developers enjoy playing.
There's a set of special avatars modeled off of YouTubers Dlive, Entoan, Mangaminx, OhmWrecker, TheTeshTube, and LordMinion777, created by the devs as thanks for their helping draw attention to the game with their videos.
Meg Turney got her own skin in the game as thanks for publicizing it so much with her streams.
The skin for the Escort/Consort is basically a chibi-fied Jessica Rabbit.