Blackthorne's Manor

First-person horror with escape-room puzzles in an abandoned manor

Error 404 Studios · Released Dec 9, 2025

Reviews: Very Positive; 82% of 55
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 months ago; May 15, 2026
Minimum PC: GTX 1050; 8 GB RAM · 4.9 GB disk; Full requirements

What is Blackthorne's Manor?

This free first-person puzzle-horror game takes place in an abandoned estate, where you search for a friend who vanished after a party. You follow a semi-linear route through its rooms, using inventory items and solving environmental puzzles to unlock doors and trigger mechanisms.

For you if...

+you like uncovering a family's history through scattered notes
+you prefer a short game for a single sitting

Not for you if...

−you want combat to be the main activity

What players say

82% of 55 reviews are positive

Players praise the atmosphere and scares. Several find the puzzles too easy, while some criticize the story's clarity.

Screenshots and trailer

Blackthorne's Manor system requirements

Minimum: GTX 1050, 8 GB RAM, 4.9 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: Intel i7 8750H
Graphics: GTX 1050 Laptop
Memory: 8 GB RAM
Storage: 5000 MB available space
Notes: The game could run on slightly lower hardware, this is the lowest tested specs for around 30fps

Does Blackthorne's Manor have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Blackthorne's Manor run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 5
Steam features: Family Sharing
Languages: Full audio: English.

Does Blackthorne's Manor use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam