Sector 404 (2025)

Developer: Empty Studio
Platforms: Windows
Genres: Adventure, Indie, Simulation
Rating: 3.6 of 5, 66 player ratings
Typical playtime: about 1.3 hours
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, oppressive climb through an endlessly shifting building, where each step feels watched and wrong.

darkatmospherictenseslowunsettlinglinearominoussurreal

What players say

Players say it is a tense anomaly-hunting game set in a decaying Soviet apartment block, where you loop through floors spotting scary differences. Many note the anomalies range from obvious to nearly invisible, making progress frustrating without guides. Reviews split on fun: some find it genuinely terrifying, others call it boring spot-the-difference.

Screenshots

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.