Home / Games / House of Necrosis
House of Necrosis
A turn-based horror RPG with retro 32-bit 3D graphics. Survive the horrors of the mansion that changes every time you enter.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Wow! What a game. This game is in my opinion the perfect modern representation of Shiren the Wanderer and mystery dungeon-likes. It's a great roguelike if you like these games. If you haven't played any of those and like roguelikes but have only played more modern examples, this…”
— a player, Steam review · 7 hrs played“I'm only halfway through the game and I can easily tell this game is one of the most loyal to the genre roots as far as Fushigi no/Mystery Dungeon genre goes. Meaning, it is a lot more similar to Torneko than it is to anything like Shiren. It doesn't have Shiren's convoluted,…”
— a player, Steam review · 35 hrs played“Don't be fooled, this game is way better than you might first assume. There's plenty to dig into and the post game dungeon can get pretty ruthless so there's lot's of fun to be had.”
— a player, Steam review · 27 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Update Notes for Nov 5
Hello! This is a small update that fixes some minor issues. Here's what has changed: Fixed an issue with the Steam API integration Fixed an issue where pushing Mystics would not interrupt their casts
Update Notes for Nov 1
Hello! Here it is, the bigger update I mentioned previously, addressing the feedback I've received since launch. Here's what has changed: Added additional save slots Added 28 Achievements (some of the
More Update Notes for Oct 11
Hello! This is just another small update that fixes some urgent issues. Here's what has changed: * Stolen items from thief traps will now be dropped on a random position of the current floor I'm still
Update Notes for Oct 11
Hello! This is just another small update that fixes some urgent issues. Here's what has changed: * Fixed an issue where gaining multiple levels at once wouldn't grant you the right amount of max hp I'
Update Notes for Oct 9
Hello! This is just another small update that fixes some urgent issues. Here's what has changed: Fixed an issue where some spells could trigger the "Godslayer" trait I'm still working on the bigger up
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | RPG |
| Player tags | RPG · Mystery Dungeon · Horror · Traditional Roguelike · Retro · Survival Horror · 1990's · Grid-Based Movement · Turn-Based Combat · Roguelike · Zombies · 3D (Steam store community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing |
| Languages | English |
| Controller | Full support |
| Achievements | 28 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10, Windows 11 Processor: x64 Memory: 4 GB RAM Graphics: 2010 Dedicated GPU or later, must support OpenGL 3+ Storage: 400 MB available space Sound Card: Anything