Lost Luminosity

First-person horror about uncovering family secrets in an apartment

Ember Wing Games · Released Jul 25, 2025

Reviews: Very Positive; 82% of 245
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 1 year ago; Aug 26, 2025
Minimum PC: GTX 1070; 16 GB RAM · 10 GB disk; Full requirements

What is Lost Luminosity?

Lost Luminosity is a first-person psychological horror game set in an apartment, with a linear storyline. You play Sam, exploring rooms for clues about his family's past after his mother's death while encountering supernatural forces.

For you if...

+you prefer short horror games over lengthy campaigns
+you like solving puzzles within a horror story

Not for you if...

−you prefer action-heavy horror over exploration-focused walking simulators

What players say

82% of 245 reviews are positive

Players praise the atmosphere, graphics, sound design, and jump scares. The most common complaints concern slow walking and repetitive searches for keys to open doors.

Screenshots and trailer

Lost Luminosity system requirements

Minimum: GTX 1070, 16 GB RAM, 10 GB of disk space.

As published by the developer.

Can my PC run Lost Luminosity?

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Minimum

OS: Windows 10, 11 (64-BIT Required)
Processor: Intel Core i5-4460 | AMD Ryzen 5 1400
Graphics: NVIDIA® GeForce® GTX 1070 | AMD Radeon™ RX 580 8GB
Memory: 16 GB RAM
Storage: 10 GB available space

Does Lost Luminosity have co-op or multiplayer?

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

Single-player

Does Lost Luminosity run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 6
Steam features: Family Sharing
Languages: Text only: English, French, German, Russian, Portuguese - Brazil.

Does Lost Luminosity use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

"My game utilizes artificial intelligence for generating speech using text-to-speech (TTS) technology. The voice recordings in the game are created by an AI model that synthesizes human-like voice from written text. This allows for dynamic and customizable voiceovers in various parts of the game."

The statement mentions: VoicesText & translations

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 27, 2026. How to filter AI games on Steam