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Sinister Night

Sinister Night

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.

Released Jun 8, 2022 Developer zstar Platforms Windows HorrorMultiplayerSocial DeductionSupernaturalPsychological Horror
View on Steam ↗ $9.99 (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.

61.0%positive172 reviews
Recommended · 13 found this helpful

“basically among us with horror , if u have 8 friends to play buy it if not dont”

— a player, Steam review · 26 hrs played
Recommended · 7 found this helpful

“A very horrible and exciting game.A little flawed but overall worth a try. when u are Possessed, u will really feel the excitement and evil :> Possessed need to submit offerings to getting rid of suspicion.Also flash back (T) to the other place can keep you from being…”

— a player, Steam review · 2 hrs played
Not recommended · 63 found this helpful

“I wasn't able to play the game since it forces you to team up with 8 players. This usually isn't a problem for big games with enough players and a decent team search system. The problem with this game is - there are no players. There were 2 lobbys in my region, one of them was…”

— a player, Steam review · 0 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.

22achievements
15.7%median completion
0.4%rarest: Executioner
48.3% of players 44.1% of players 34.1% of players 33.8% of players 33.0% of players 30.8% of players 26.3% of players 23.9% of players 20.1% of players 19.3% of players 18.6% of players 15.7% of players 15.3% of players 13.9% of players 10.7% of players 7.2% of players 6.2% of players 3.8% of players 1.8% of players 1.1% of players 0.6% of players 0.4% of players 48.3% 0% most earned rarest
Almost everyone has
48.3%You're the One! — Tie up or execute one player for the first time through voting.
44.1%The Final Step — Killed by The Possessed for the first time.
34.1%La-la Land — Transform for the first time.
Rarest badges of honor
0.4%Executioner — Kill 1000 Survivors in total.
0.6%The Father is Everything to Me — Donate offering 1000 times in total.
1.1%Reign of Terror — Kill 100 Survivors in total.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jun 28, 2024
系列续作《不祥之夜：回魂》夏促热卖中

《不祥之夜：回魂》深受经典恐怖电影《突变第三型》（The Thing）和中国传统文化启发，这款续作在先前作品《不祥之夜》的基础上，将社交推理的紧张氛围与中式恐怖的神秘色彩巧妙结合。在这场江南古宅的探秘之旅中，玩家扮演主播参与到一场看似普通的真人秀中，却不知悲剧已悄然降临——两名成员不幸被殉难冥婚的新娘所附身。随着猩红梦境降临，冥婚仪式再次开启，惶恐和绝望开始蔓延。玩家必须找到能安抚冤魂的祭品，或识

Oct 23, 2022
Halloween discount with Steam Scream Fest !

Hi, survivors! Sinister Night will be selected to participate in Steam Scream Fest (Halloween Event)! The game will then be 50% off the lowest ever sale , for 7 days only! Time: October 25, 10 a.m. to

Aug 26, 2022
Patch 1.30 Preview

Hello players. Ravenman has been online for one week already! We hope every player is enjoying this new role! This patch update is mainly about balance adjustments and bug fixes. The following part is

Aug 19, 2022
Patch 1.29 Preview

We are glad to announce that the new Possessed role is finally here! Ravenman, the new Possessed, has the ability to shift into a raven and fly far quicker than other players. Have a safe flight! Mean

Aug 05, 2022
Patch 1.28 Preview

Hello, survivors! Thank you all for your support of our game. For now, we are still developing the new skill of the Possessed. Stay tuned! The primary topics of the patch update are game function opti

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-28.

GenresAction, Adventure, Indie
Player tagsHorror · Multiplayer · Social Deduction · Supernatural · Psychological Horror · Detective · Online Co-Op · Survival Horror · Adventure · Survival · Exploration · Action (SteamSpy community voting)
FeaturesMulti-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Family Sharing
LanguagesEnglish, French, Spanish - Spain, Russian, Simplified Chinese, Traditional Chinese, Portuguese - Brazil
Achievements22
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64 Bit Processor: Intel Quad Core i5-2300 or AMD FX-6300 Memory: 8 GB RAM Graphics: Nvidia GeForce GTX 960(4GB) or AMD Radeon R9 380 (4GB) DirectX: Version 11 Storage: 10 GB available space