Ergastulum: Dungeon Nightmares III

First-person fantasy horror where losing sanity changes enemy behavior

K Monkey · Released Nov 5, 2020 · Early Access

Early Access, no updates for over a year

Reviews: Mostly Positive; 74% of 80
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Jan 30, 2021
Minimum PC: 8 GB RAM · 3 GB disk; Full requirements

What is Ergastulum: Dungeon Nightmares III?

This first-person horror adventure draws on Western and Chinese folklore. You travel between Earth and Hell, explore procedurally generated Dark World maps, and use light and shadow to hide from creatures as your character seeks to regain their faith.

For you if...

+you prefer exploring horror settings on your own

Not for you if...

−you want familiar routes instead of unpredictable exploration

What players say

74% of 80 reviews are positive

Some players praise the horror atmosphere. Recent reviewers mainly describe the game as unfinished and apparently abandoned. Other recurring complaints concern awkward controls and poorly explained mechanics.

Screenshots and trailer

Ergastulum: Dungeon Nightmares III screenshot 1

Ergastulum: Dungeon Nightmares III system requirements

Minimum: 8 GB RAM, 3 GB of disk space.

As published by the developer.

Can my PC run Ergastulum: Dungeon Nightmares III?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: 7
Memory: 8 GB RAM
Storage: 3 GB available space
DirectX: Version 11

Does Ergastulum: Dungeon Nightmares III have co-op or multiplayer?

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

Single-player

Does Ergastulum: Dungeon Nightmares III 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
Steam features: Family Sharing
Age rating: 17+
Languages: Full audio: English.

Does Ergastulum: Dungeon Nightmares III 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