Steam Deck

Does Lost Luminosity work on Steam Deck?

Steam Deck

Playable

This game runs on Steam Deck, but with caveats. You may need to bring up the on-screen keyboard yourself, or adjust settings.

Status as checked with Valve on 9 October 2026.

Lost Luminosity is a realistic psychological horror game with a linear storyline, immersing players in a dark narrative where the line between reality and madness slowly begins to blur.

System requirements

	Minimum	Recommended
OS	Windows 10, 11 (64-BIT Required)	Windows 10, 11 (64-BIT Required)
Processor	Intel Core i5-4460 \| AMD Ryzen 5 1400	Intel Core i5 10400 \| Ryzen 5 2400G
Memory	16 GB RAM	32 GB RAM
Graphics	NVIDIA® GeForce® GTX 1070 \| AMD RadeonTM RX 580 8GB	NVIDIA GeForce RTX 2060 super \| 2070 \| 3060 \| AMD Radeon RX 5600
Storage	10 GB available space	10 GB available space

System requirements →

Questions and answers

Does Lost Luminosity work on Steam Deck?: Playable. This game runs on Steam Deck, but with caveats. You may need to bring up the on-screen keyboard yourself, or adjust settings.
How much RAM does Lost Luminosity need?: 16 GB RAM
How much storage space does Lost Luminosity need?: 10 GB available space

Lost Luminosity