PCGame

L.S.D.: Prologue to Lasting Spiritual Derangement

A first-person shooter through surreal worlds in a repeating hallucination

Fabiulous Games · Released Apr 7, 2021

ActionAdventureFree To PlayIndieSimulation

Reviews
Mostly Positive
79% of 322
Recent reviews
Not enough recent
Players
0
daily peak, Oct 28, 2026
Steam Deck
Untested
Last update on Steam
5 years ago
May 4, 2021
Minimum PC
GeForce GTX950
0.6 GB RAM · 5 GB disk
Full requirements

What is L.S.D.: Prologue to Lasting Spiritual Derangement?

In this free, single-player first-person shooter, you explore open worlds during a hallucinogenic trip. You repeatedly wake in unfamiliar places, from medieval-style towns to landscapes inhabited by giant creatures, fighting with magic swords, handguns, and rifles while trying to return to reality.

For you if...

  • +you enjoy exploring large worlds with a psychedelic look

Not for you if...

  • −you want to explore without fighting hostile creatures

What players say

79% of 322 reviews are positive

Players praise the bizarre premise, but combat draws criticism for frustrating mechanics. A recent reviewer also reports being unable to move or act after waking up.

Screenshots and trailer

L.S.D.: Prologue to Lasting Spiritual Derangement screenshot 1

L.S.D.: Prologue to Lasting Spiritual Derangement system requirements

Minimum: GeForce GTX950, 0.6 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run L.S.D.: Prologue to Lasting Spiritual Derangement?

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Minimum

OS
Windows 7, 8 or 10
Processor
Intel Core i3 2.00 GHz or AMD equivalent
Graphics
Nvidia GeForce GTX950 or higher
Memory
600 MB RAM
Storage
5 GB available space

Recommended

OS
Windows 10
Processor
Intel Core i5 3.00GHz or AMD equivalent
Graphics
Nvidia GeForce GTX970
Memory
666 MB RAM
Storage
5 GB available space

Does L.S.D.: Prologue to Lasting Spiritual Derangement have co-op or multiplayer?

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

Does L.S.D.: Prologue to Lasting Spiritual Derangement run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows, macOS
Achievements
3
Steam features
Family Sharing
Languages
Full audio: English.

Does L.S.D.: Prologue to Lasting Spiritual Derangement use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

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

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