The demo version of Yandere Simulator offers a basic story mode that is still undergoing balancing and adding of content. With simulation elements such as “ School Atmosphere” that change any time Yandere-chan manages to eliminate another student, the entire social structure and gameplay choices can change, making her each attempt to conquer Ayano Aishi’s attention a bit different and unique. The game over screen is presented only in her crush personally witness any of her crimes. In the event she was witnessed doing any wrongdoing, the game places reputation penalties that will make other in-game characters more aware of her lies, reduce her sanity level, and make her boyfriend harder to fool.

Yandere must remain undetected while performing any criminal activity. The goal of the game is to remain undetected over the period of 10 weeks while expressing their dark tendencies during the elimination of any possible obstacle between her and her Sempai crush. And by elimination, Yandere-chan prefers outright killing fellow classmates in the incredibly varied way of assassinations and harm, such as electrocution, crushing, poisoning, incited suicide, torture, homicide, kidnapping, expulsion from school, frameup and many other forms of betrayals. However, instead of searching for his attention utilizing normal courting techniques, her unstable dark characters focus on eliminating any form of competition around her. The story of Yandere Simulator is centered on the high school life of Ayano Aishi, who also bears the nickname Yandere-chan, a young girl who has developed a crush on her fellow student Taro Yamada.

Yandere simulator game controls