The Xbox error message has made a lasting impression on YandereDev, causing him to forget what a PlayStation error looks like. As a result, the error message displayed after finishing the game is an Xbox error. YandereDev attributes the game's massive exposure to YouTubers with millions of subscribers. In Japanese, the term “senpai” refers to someone who has seniority over another person.
The development of this game required 156 hours of work spread over a period of thirteen days. If Yandere-chan is caught performing suspicious actions such as wielding a weapon, dragging a corpse, displaying low sanity, being covered in blood, committing murder, or taking panty shots, the game will result in an immediate Game Over.
Pressing the Z key while quickly tapping one of the arrow keys will create a small protective area around Beldere-chan, capable of damaging any zombies in front of her. In the game's main menu, pressing the M key triggers a cameo appearance by Midori Gurin, who repeats the afterlogue in her own voice. Ayano often falls victim to Musume's harassment, as Musume is known for her loud voice and intimidating presence. The player's reputation decreases when they are seen holding a weapon, covered in blood, exhibiting signs of insanity, or caught taking panty pictures of female students.