79%Strong matchProject Unknown
88%41688% positive reviews, Very Positive across 416 reviews·Horror · Multiplayer
—In this multiplayer survival, horror, and deduction game, eight streamers enter a mysterious old building, planning to get famous via a livestream, but two of them become possessed by evil spirits. They will kill their companions and sacrifice them at the altar to complete a sinister ritual.
Inspired by John Carpenter's The Thing, Sinister Night perfectly fuses social deduction with the psychological horror brought by paranoia and mistrust. To take part in a horror reality show, a group of streamers arrived at a haunted church school site. During their visit, some of them were possessed by demonic spirits. As the crimson dream descends upon them with shrieks of terror, one of the streamers falls to the ground bleeding to death. What kind of spirits is hiding in their human form? Those souls who meet their tragic ends in this school readily tell you of the place's mysterious past. Sinister Night is a game of screams and deception. Don't jump the gun to trust anyone since there are two evil spirits in disguise among those eight players. Either find the offerings to stop the wicked ritual or banish the nearby spirits to prevent yourself from being served as their "last supper."

Confusion and suspicion will arise among you and your companions. Use every means possible—items, tasks, location information, and frequent communication—to identify potential culprits and prove them guilty. Find those disguised evil spirits and banish them!
Supernatural phenomena and the spirits of those who died tragically at the school are not the terrifying entities here. When suspicions and doubt spread throughout the group, no one knows whom to trust. It’s hard to avoid killing one another under the pressures of paranoia

Will you use the holy cross to ward off the evil spirit, or would you use crystal balls to find clues? Can you trust the person with the baseball bat? The evil spirits could possess anyone.
Unleash the evil inside your heart, drag everyone into the crimson dream and murder them while they scream in terror. In addition, use your acting skills to clear yourself from others' suspicion, shift the blame on others and create chaos while hiding within the group.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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