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About We Know the Devil
We Know the Devil is a surreal summer‑camp visual novel that follows three queer teens—Neptune, Jupiter and Venus—who must spend a twelve‑hour vigil in the loneliest cabin while awaiting the devil. The story explores isolation, religious rural life, and shifting group dynamics, letting players watch how two of the three become closer while the third is left out.
The game presents washed‑out disposable‑camera backgrounds, an 80s horror synth soundtrack, and three pair‑specific endings plus a hidden true ending. It is a single‑player experience for Windows and macOS, supporting Steam achievements, cloud saves and family sharing.
01 / THE GUIDE
Story and Setting
The plot places the three protagonists in a summer‑camp dystopia where they must endure a twelve‑hour vigil in the loneliest cabin in the woods. This setting blends religious overtones with a surreal, horror‑filled atmosphere, emphasizing themes of isolation and alienation as described in the official description.
Presented as a group‑relationship horror visual novel, the narrative focuses on how two of the three characters will become closer while the third remains apart. This emotional structure shapes the stakes of the night and informs the player’s observation of character interactions.
- Notice how the cabin description reinforces the feeling of isolation.
- Compare the religious motifs with each character’s personal struggles.
02 / THE GUIDE
Characters and Pairings
Neptune, Jupiter and Venus are described respectively as a meangirl, a tomboy and a shy individual, creating a dynamic where any two may form a closer bond. The game has no single protagonist; instead, players observe pairs develop and confront their feelings.
Following a specific pair determines which ending the player experiences, highlighting the impact of interpersonal choices without a traditional selection mechanic. This structure ensures each possible OTP receives its own narrative resolution.
- Observe how each character’s description hints at potential conflict or support.
- Track which pair you follow to anticipate the ending path.

03 / THE GUIDE
Endings
There are three endings, each tied to one of the possible pairings, plus a horrifying bonus true ending. The pair‑specific endings reflect the emotional outcomes of the relationships formed during the night.
The bonus true ending is described as “horrifying,” indicating a darker resolution beyond the standard conclusions. The source describes it simply as a bonus true end alongside the three pair endings.
- Consider replaying with different pair focuses to see all outcomes.
- Pay attention to subtle narrative cues that may unlock the bonus ending.
04 / THE GUIDE
Audio and Visual Style
Live photo backgrounds taken with disposable cameras give a washed‑out, over‑exposed 90s summer feel. This visual choice supports the story’s eerie, nostalgic tone.
A chilling 80s horror synth soundtrack by Alec Lambert reinforces the unsettling mood, creating a cohesive retro horror atmosphere that aligns with the themes of dread and isolation.
- Listen for musical shifts that may signal narrative tension.
- Notice how the photo style amplifies the feeling of isolation.
05 / THE GUIDE
Platform Features
We Know the Devil runs on Windows and macOS, offering single‑player gameplay with Steam achievements, cloud saves and family sharing. These features let progress be stored online and shared across accounts on the supported platforms.
As a visual novel, the game centers on reading the story and following the characters through the night.
- Enable Steam Cloud to keep your save data synced.
- Use family sharing to let another account try the game without purchasing.





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