By: Warkus
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House of Necrosis is a Mystery Dungeon-style game inspired by Survival Horror and RPG classics of the 32bit era. Survive the horrors of the mansion that changes every time you enter.
Linux · Oct 6, 2025
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Oct 6, 2025
Worldwide · Exact date · Full release · IGDB
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28 achievements available.

Learn all spells
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Receive the Cursed Ashes
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Survive the laboratoy
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Receive a coin reward for clearing a post game dungeon again
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Clear the Crimson Destiny dungeon in 5,000 turns or less
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Clear the Ancient Depths in 1,000 turns or less
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Sleep through the third encounter and enter the Void
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Defeat a foul boss
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Rescue the mysterious gambler
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Throw just the right items at a Glutton to receive a surprising result
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Receive the Godslayer
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Receive the Leaf Key
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Receive the Mansion Key
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Reach the maximum amount of inventory upgrades
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Receive the Meditation spell
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Deal 10,000 Damage or more with a single melee hit
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Have 10,000 HP or more during a run
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Encounter a Monster House
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Receive the Music Box
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Defeat a necrotic boss
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Equip a full set of necrotic gear
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Survive the lab without ever learning a spell
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Receive the Spider Key
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Receive the thoughts of an incomprehensible being in the deepest depths
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Use the Godslayer to escape the mansion
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Survive the tutorial without dying
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Use Necrotic Blood to unlock gear bonds
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Use the Necrotic Tome to unlock gear upgrades
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Community notes