About This Demo

Backrooms: Lost Dimension is a narrative-driven single-player horror game: explore unsettling liminal spaces, solve environmental puzzles, and survive increasingly dangerous encounters.

Key features

• A “liminal” horror atmosphere with a constant sense of tension.

• Unique puzzles integrated into the environment (not just “keys and doors”).

• Guided progression: the game introduces mechanics step by step.

• An original story and levels with distinct identities.

• Free post-launch updates with new levels that expand the nightmare.

What the Demo includes

The Demo includes the first three levels of the game, designed as an introductory experience to immerse you in the atmosphere and core mechanics right away.

• Content: Level 1 / Level 2 / Level 3 (intro + escalation).

• Estimated playtime: [15–35 min] (depends on time spent on puzzles).

• Goal: get familiar with exploration, puzzles, and rising tension.

• Saves: [Progress does not carry over] to the full version.

If you enjoyed the demo, add Backrooms: Lost Dimension to your wishlist to support development and stay updated.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

This game uses AI-generated content that has been refined and modified by the developer before final implementation:

PRE-GENERATED CONTENT:
- Some music tracks were initially created with AI tools and then edited, refined and integrated by the developer
- Certain 3D meshes and models were generated with AI assistance and subsequently modified, optimized and textured manually
- Cutscenes may include AI-assisted elements that were refined and edited
- Capsule art and promotional materials were created with AI assistance and manually refined
- UI elements may incorporate AI-generated assets that were modified and customized

All AI-generated content has been reviewed, modified, and quality-controlled by the developer to ensure it meets the game's standards and artistic vision. No live AI generation occurs during gameplay.

Mature Content Description

The developers describe the content like this:

This game contains horror themes and jumpscares, and in some cases environments or jumpscares may include representations of blood. There are no depictions of sexual content, drug use, or self-harm.