Uncle Otto's Mansion (2026)

Developer: Henano
Platforms: Windows
Genres: Adventure, Indie, Free To Play
Rating: 4.7 of 5, 33 player ratings
Typical playtime: about 56 minutes
Where to get it: Steam

The 3D catalog: game boxes on wooden shelves, with the cat sitting at the counter next to its greeting.

The catalog in 3D

The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.

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How it feels

A slow, atmospheric exploration game where you uncover the story of a creepy inherited mansion through careful observation and interaction.

narrative-drivenexplorationatmosphericslow-pacedmysteriousfree to playindie

What players say

Players call it a very short, free walking simulator with a nice story and voice acting, but note the camera is frustrating and causes motion sickness. Complaints include no save, no inverted y-axis, and performance stutters. Some wish for subtitles and clearer hints.

More games like this

This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.