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92%8k92% positive reviews, Very Positive across 8k reviews·Horror · Atmospheric
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Sanguis OS is a dark, claustrophobic UI-based horror simulation. Take control of a blood-fueled drilling machine descending into the 9 layers of Hell. Manage engine heat, harvest demons for fuel, and fight off corrupting demonic malware before your system crashes and the hull is breached.
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Sanguis OS
SteamAbout Sanguis OS
Welcome to Sanguis OS.
You are the sole operator of the Leviathan, a massive, blood-fueled drilling machine designed to harvest the energy of the underworld. Your mission is simple but suicidal: descend through the 9 layers of Hell, keep the engine running, and survive.
You cannot see the outside world. Your only connection to reality is a claustrophobic retro-terminal interface. You must rely on your radar, cameras, and resource readouts to make life-or-death decisions.
Key Features:
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Micro-Manage Survival: Balance your blood (fuel), engine heat, and hull integrity. If you run out of blood, you fall into the abyss. If the engine overheats, you burn.
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The Venting Dilemma: To cool down the overheated engine, you must open the vents. But opening the vents allows the horrors of Hell to breach your hull. Neutralize threats before they destroy your armor.
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Demonic Malware: The energy of Hell corrupts digital systems. Fight off demonic viruses like Gluttony (drains your RAM), Illusion (creates fake error pop-ups), and Scramble (mixes up your controls).
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Harvest the Damned: Blood running low? Activate the crushers to harvest demons and keep the pump flowing.
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Deep Descent: Descend from Limbo down to the 9th Circle: Treachery. Every layer brings new anomalies and aggressive system failures.
Can you maintain the system, or will you become another ghost in the machine?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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