The Tartarus Key

First-person escape-room horror where your solutions can save other captives

Vertical Reach · Published by Armor Games Studios · Released May 31, 2023

Reviews: Very Positive; 93% of 241
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 3 years ago; Jun 27, 2023
Minimum PC: GeForce GT 640; 4 GB RAM · 1 GB disk; Full requirements

What is The Tartarus Key?

You play Alex Young, who wakes in a locked mansion with no memory of how she arrived. This first-person horror adventure progresses through escape-room puzzles: you search rooms for clues, unlock new areas, and investigate your captors.

For you if...

+you like choices that lead to different endings
+you enjoy taking notes to work through clues

Not for you if...

−you want combat or chase sequences in your horror

What players say

93% of 241 reviews are positive

Players praise the puzzle variety, retro visuals, and tense atmosphere. The writing draws a more mixed response, with some finding the story and characters generic or secondary to the puzzles.

Screenshots and trailer

The Tartarus Key system requirements

Minimum: GeForce GT 640, 4 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7
Processor: Intel Core i3-3240 (2 * 3400), or AMD A8-3850 (4 * 2900), or equivalent
Graphics: GeForce GT 640 (2048 VRAM) or Radeon R7 250 (2048 VRAM)
Memory: 4 GB RAM
Storage: 1 GB available space

Does The Tartarus Key have co-op or multiplayer?

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

Single-player

Does The Tartarus Key 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
Achievements: 16
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Text only: English.

Does The Tartarus Key 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