
Remake of the doujin VN, Killer Queen, with a greatly expanded story. 13 people are locked inside an abandoned building, none of them remember how they got there. Each has a PDA representing a playing card from A to K and a collar device locked around their necks. Each of the 13 PDAs correspond to a different set of objectives ranging from simply surviving to eliminating everyone else. If a player fails to fulfill their PDA's objective within 72 hours or breaks any of the game's rules, their collar will activate and they will die.
Secret Game ~Killer Queen~ is a Japanese visual novel of 705,474 characters, with 12,726 unique words and 1,880 different kanji. Its difficulty rating on Jiten is average, 2.5 out of 5. The full vocabulary list ranks all 12,726 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.