Yandere Sim is a game that revolves around a character known as a Yandere anime lady. In the game DERE EVIL.EXE, players face a mirror boss that creates a copy of the player with inverted colors. This mirror boss reflects all left and right movements, causing injury if touched. However, players can guide the mirror boss into an enemy to bypass it. At the end of the credits, there is a brief flash of a restored digital character named Kara wondering where she is. Additionally, there is a humorous scene where Lily drags Joey off roughly.
With each update of the game, the developer uploads a video on YouTube showcasing the new content. The plot of the game also presents players with multiple choices on how to behave. Some refer to Kaede as the “first yandere,” sparking debates among players. For those who enjoy stealth, sandbox design, and school simulations, there are other games similar to Yandere Simulator that they can enjoy.
The narrator in the game describes possible locations where a Yandere can use a knife, emphasizing the obvious. It is revealed that the game is a Game Within a Game, and in the opposite ending, the avatars are deleted to fool the player and the developer. The game implements Ratchet scrolling, allowing minor backtracking but removing platform tiles beyond a certain point. The developer promises revenge on the player before leaving, while Yanna and Myles express their gratitude.
DERE.EXE features an unexpected gameplay change by starting as an endless runner before transitioning to a platforming section. The depiction of women killing in Western films often eroticizes them. The protagonist in the game is a skilled manipulator who can replicate attacks and control individuals with darkness in their hearts. Their relationship with Taro and Hanako is influenced by the player's actions.
After warning their teacher, the characters will either stay close to them in shock or run to their classroom and hide. Kara's character starts reemerging and warns the player about the developer's true intentions. The game enables touch controls to control the character and enjoy its cool features and missions. Jessica suggests forming an alliance in case Lily retaliates. In the game DERE EVIL.EXE, players need to use the microphone to speak their name, although the app does not have microphone permissions. The outcome of all rivals being eliminated non-lethally and the player not assisting Info-chan by taking panty photographs would be a spoiler.
Yandere Simulator's story is known for its multiple plot twists. Rena Ryuuguu from Higurashi possesses supernatural powers that make her more dangerous when she becomes violent.
In the credits, Yanna and Myles are listed under “Game Within A Game Within A Game Within A Game By.” There are different games related to Yandere Simulator, such as ones where Yandere kills Senpai or versions in Roblox and Kogama. It is hinted that the game's story will have unexpected twists. Jaune's semblance is unknown, but there are indications that he possesses the power of one of the missing maidens. A narrator warns Penelope against drinking a drink, implying danger. Joey and Penelope are sitting together when Lily suddenly appears with drinks. Sam and Taurtis start attending a new school called Yandere High School. Later sections of the game DERE.EXE feature faceless nuns as enemies, which adds a spooky element.
