Underplayed Gems

Locum Tenens (2025)

Locum Tenens cover
Developer
Deriv'era
Platforms
Windows, Linux
Genres
Action
Rating
4.6 of 5, 12 player ratings
Typical playtime
about 2.3 hours
Where to get it
Steam

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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 tense, claustrophobic retro shooter where you navigate a drifting spaceship amid an alien threat, relying on careful inventory management.

tenseatmosphericactionretro shooteralien horrorisolationsurvival

What players say

Players praise this as a faithful revival of the obscure Zero Tolerance, capturing its tough but fair challenge with autosaves and no save scumming. The atmosphere and soundtrack stand out, though some note jank like enemies shooting from outside render distance and rare softlocks.

Screenshots

Locum Tenens screenshot 1Locum Tenens screenshot 2Locum Tenens screenshot 3Locum Tenens screenshot 4Locum Tenens screenshot 5Locum Tenens screenshot 6

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More by Deriv'era

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.