Delirium

Psychological horror walking simulator in a house that reacts to you

IndividualKex · Released Mar 2, 2025

Reviews: Very Positive; 85% of 82
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Mar 10, 2025
Minimum PC: GeForce GTX 1060; 8 GB RAM; Full requirements

What is Delirium?

You explore a suburban house in this linear, single-player, first-person horror walking simulator. You manipulate doors and objects, watch analog-horror TV broadcasts, and solve simple puzzles to access new areas.

For you if...

+you want a short horror game for one sitting

Not for you if...

−you want a complex story or demanding game mechanics

What players say

85% of 82 reviews are positive

Players praise the atmosphere and sound design. Some criticize unclear progression and a later shift toward action that disrupts the tension.

Screenshots and trailer

Delirium system requirements

Minimum: GeForce GTX 1060, 8 GB RAM.

As published by the developer.

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Minimum

OS: Windows 10 64-bit
Processor: Intel Core i5-6600K / AMD Ryzen 3 1200
Graphics: NVIDIA GeForce GTX 1060 / AMD Radeon RX 580
Memory: 8 GB RAM
DirectX: Version 12

Does Delirium have co-op or multiplayer?

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

Single-player

Does Delirium 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
Steam features: Family Sharing
Languages: Full audio: English. Text only: French, German, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Swedish.

Does Delirium 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