Buried Kin
Your late mother's papers name a brother you never knew and a psychiatric ward where something still does its rounds.
Links go to the official store or developer page. Last verified Nov 8, 2026.
Age rating: 18+ (itch.io)
The developer has marked the itch.io page as containing mature content, so itch.io asks visitors to confirm they are 18 or older. The content warning: blood and violent deaths, strong language, a psychiatric hospital setting, grief and family trauma, and flashing lights (a Reduce Flashing option is in Settings). (itch.io)
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Where to play
Every platform this game is on. Links are checked against official sources; we never host or mirror games.
- View demo on itch.ioitch.ioDemo · Free demo (version 0.1.0); itch.io status: In developmentFree
Download from itch.io.
Desktop · Official link verified Nov 3, 2026.
About Buried Kin
A first-person psychological horror game made in Unreal Engine 5, with a free Windows demo of about 20 to 30 minutes. Your mother is dead; among her papers are a form from Hollow Creek Psychiatric Hospital, Ward 2C, and the name of a brother you never knew you had. You go to find him. The demo covers the opening of the story, through the hospital's reception and Ward 2C. A hunter listens for footsteps, doors and breathing, so you hide in lockers and under beds or run; records scattered around the ward piece the story together, some in your own handwriting where it should not be, and a staff room lets you sign the visitor log, catch your breath and save. There is a secret for careful players, full controller support, an F10 photo mode and a Steam Deck–friendly preset, and the developer recommends headphones because sound tells you where the hunter is. The developer, sargetun, says they wrote the story, setting and design and did all the playtesting, while an AI coding agent, Claude, wrote most of the C++ plus the Python scripts that build the levels inside the editor, and set up automated runs that play the critical path, take screenshots and check the logs before each fix reaches the developer. About 60 props came from SupaVoxel (Tripo under the hood) and the menu music is AI-generated; the breathing and sound effects are real recordings. The page carries an 18+ content warning.
How it was built
Partially verifiedIn a post on r/aigamedev (29 Oct 2026, 23:05 UTC) the developer writes: “An AI coding agent (Claude) wrote most of the C++ for Unreal 5, plus the Python scripts that build the levels inside the editor.” Rooms, doors and props are placed by those scripts rather than by hand, so a whole level can be rebuilt after a change. The agent set up automated runs that play through the critical path, take screenshots and check the logs, so every fix was checked before the developer played it; the developer's job became playing, writing down what felt wrong or broken and approving or rejecting each fix. The developer came up with the story, the setting and how it should play, and did all the playtesting. The post names only “Claude”, not the app used to run it.
- DeveloperThe itch.io page lists Unreal Engine and Blender under Made with; the AI disclosure ticks AI Assisted, Code, Graphics, Sounds and Text. — itch.io
Unreal Engine 5 with C++ gameplay code and Python editor scripts that build the levels, both written mostly by the AI agent; automated play-throughs of the critical path with screenshots and log checks gate every fix. In a reply the developer says about 60 props were generated through SupaVoxel (Tripo under the hood), among them the hospital curtains, the chains and the Messenger figure, with light clean-up of scale and materials in Unreal; Blender is also used. The menu music is AI-generated, while the breathing and sound effects are real recordings. Nothing in the sources says the game calls AI services while it runs.
- Engine / framework
- Unreal Engine 5
- Languages
- C++, Python
- Team size
- 1 (solo)Developer ReportedReddit (u/sargetun123)
- Development time
- Not disclosed
- Development cost
- Not disclosed
- AI-written code
- Not disclosed
“It's not hands-off. Some bugs took a lot of back and forth, and the AI is great at code but needs a human to say "this feels wrong." Still, I don't think I could have built this solo otherwise.”Verification notes: AI use and workflow from the developer's post on r/aigamedev by u/sargetun123 (29 Oct 2026, 23:05 UTC) and the developer's reply about the props (30 Oct 2026), read from the Arctic Shift Reddit archive on 8 Nov 2026; the post links the itch.io page. Story, features, content warning, requirements and the AI disclosure from the itch.io page (published 29 Oct 2026, 22:24 UTC; status In development; demo version 0.1.0, 3.8 GB; English, with subtitles and configurable controls listed), read on 8 Nov 2026. “Most of the C++” is the developer's wording; no share is stated in numbers, so none is recorded. The tool is recorded as Claude because the post names only Claude, not Claude Code. Team size: the post's “I don't think I could have built this solo otherwise” is read as the developer building it alone. In the reply the developer says they are close to wrapping up the full game. Developer: known only by the handles sargetun123 (Reddit) and sargetun (itch.io). The Windows build was not downloaded or run.
Development history
The free demo is published on itch.io (22:24 UTC) with a devlog, “Buried Kin demo is out”.
Observeditch.ioThe developer shares the demo on r/aigamedev, saying an AI coding agent (Claude) wrote most of the code.
DeveloperReddit (u/sargetun123)
Game performance
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itch.io
Free Windows 10/11 (64-bit, DirectX 12) demo, a 3.8 GB download (about 4 GB); a DirectX 12 GPU with 6 GB or more of VRAM is recommended. itch.io asks visitors to confirm they are 18 or older.
Not publicly available: itch.io rating, Gross revenue.
Reviews & rankings
Not yet reviewed by our editors.
Not currently ranked.
Sources
| Source | Type | Published | Accessed |
|---|---|---|---|
| I made a UE5 horror demo with an AI agent writing most of the code. Here's how the workflow ended up (r/aigamedev) Reddit (u/sargetun123) | Social post | Oct 29, 2026 | Nov 3, 2026 |
| Buried Kin (Demo) by sargetun itch.io | Store page | Oct 29, 2026 | Nov 3, 2026 |
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