Sleeper S9 overview

Overview

Sleeper S9 comes from Nimmen Studios and is published by Nimmen Studios. It arrived on Steam on May 1, 2025, and it sits naturally among Single-player, Full controller support, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Sleeper S9's latest SteamPulse observation recorded 0 players at 12 September 2026 - 14:31:30 UTC, with a tracked peak near 1. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 85% positive across 13 reviews.

Language and system requirements

Sleeper S9 is available in 1 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Sleeper S9 has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

Sleeper S9 overview details

Sleeper S9 combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

A game journey set on a cursed Indian train. You were late. The train had already started moving. In a panic, you jumped onto the nearest coach— S0 . Your seat is in S9 . But the train.... feels wrong. Unnatural anomalies twist the space around you— missing objects, distorting memory, breaking reality. They want to stop you. Observe carefully. Move forward only if you detect something off. See nothing? Then something’s wrong . Turn back and go to the previous coach. Make the wrong choice—and you’ll find yourself back at the start . Don’t ignore the anomalies. Don’t trust your senses. Don’t turn around… unless you have to. Meet me at S9. An anomaly-hunting horror game inspired by Indian sleeper trains. Key Features 🔹 Anomaly-Based Horror: Stay alert for subtle and terrifying disturbances in the environment. 🔹 Console to view mistakes/ anomalies: View your mistakes in 'console' -which can be found on the bottom right of the settings menu at S0. Press F1 and see the anomalies in the current level. 🔹 Atmospheric Experience: Immersive visuals and sound design inspired by real Indian sleeper trains. 🔹 Decision-Driven Exploration: Your ability to perceive anomalies determines your survival. 🔹 Chase Sequences – Prepare for unpredictable and terrifying chase moments that strike without warning. 🔹 Jump Scares – Sudden frights crafted to keep you on edge. 🔹 Visual Customization – Make the game truly yours: Tilt the camera lens up or down (vertical FOV control) Enable black-and-white visuals for a classic horror feel Add an "Old TV" effect for retro, static-fille…

SteamPulse editorial summary

Sleeper S9 is listed as a game with $0.99. It supports Windows, belongs to Single-player, Full controller support, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, and Family Sharing, and is associated with Adventure, Casual, Indie, and Simulation. SteamPulse's latest observation records 0 players at 12 September 2026 - 14:31:30 UTC, a tracked peak of 1, and 85% positive reviews.

Content descriptors

This game includes scenes that depict suicide and suggest drug use. While the context and cause are intentionally left ambiguous, the visual representation of suicide may be distressing. Themes of self-harm and substance abuse are present and may not be suitable for all audiences

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.