Mystery of Mortlake Mansion is a Adventure, Casual, Horror game from Best Games Collection with a 91% positive Steam review signal. Indie Lantern indexes it for players browsing by dark, tense, puzzle, no combat.

Screenshots






System requirements
PC
- Minimum
- OS *: Windows XP / 7 / 8 / 10
Processor: 1.0 GHz
Graphics: 512 MB
DirectX: Version 9.0
Storage: 500 MB available space
Sound Card: DirectX compatible sound card - Recommended
- OS *: Windows 7 / 8 / 10 / 11
Processor: 1.5 GHz or higher
Graphics: 512 MB
DirectX: Version 9.0
Storage: 500 MB available space
Sound Card: DirectX compatible sound card
From Steam reviews
Review notes
Mystery of Mortlake Mansion is worth a closer look if you want narrative mystery, strong atmosphere, exploration, and hand-drawn.
Best for players who want strong atmosphere, hand-drawn, narrative mystery, and exploration.
Check more carefully if you dislike technical roughness.
narrative-mystery
Play styleA useful part of the game is piecing together mystery and story threads.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
hand-drawn
SettingThe look is closer to illustration than generic 3D assets.
buggy
FrictionTechnical roughness or instability comes up often enough to check.
Steam review snapshots
The story starts off with a letter you receive from a mystery man who only left his initial for you 'R', the…Perfect Atmosphere, also because there are really many Rooms to explore.The Graphics are clear but duster, what perfectly hits the Atmosphere of MOMM.All the artwork is hand drawn, something you don't see much anymore, and although it may seem a bit repetitive, the story…Why it fits
Check it if you want adventure, casual filtered by dark, tense, puzzle.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.