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The Tartarus Key
There’s no way out for Alex Young who wakes up to find herself locked in a strange mansion filled with puzzles, traps, and cameras following her every move. Whether she and her companions live or die, and find the truth behind their abduction, is up to you in this first-person mystery thriller.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-13.
“A very entertaining escape room mix of Resident Evil, Zero Time Escape and Saw. The dialogue's a little...much and tends to interrupt the immaculate vibes, but other than that, this is a great puzzle game with real consequences for wrong answers. Highly recommended!”
— a player, Steam review · 6 hrs played“Super fun puzzles--not too difficult and a very nutty ending.”
— a player, Steam review · 8 hrs played“Very fun, spooky puzzle game. My only negative, is I wish there was voice acting, but I understand it’s not that easy. Aside from that, the dialogue was great, I really liked the complexity of the puzzles and the environment of the mansion was really cool. Basically it felt like…”
— a player, Steam review · 6 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-08-02 22:33 UTC · history via SteamCharts.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
You Won't Escape Bundle
Do you like murder houses? Want MORE murder houses? Pick this bundle up for double the horror escapes at 90% of the price. The Tartarus Key: There’s no way out for Alex Young who wakes up to find hers
Badges, Trading Cards, Emotes and more!
Hi everyone, just a quick update to let you know that a whole bunch of community items just went live! We've got trading cards, badges, emotes, backgrounds, and even animated avatars for each characte
Patch V01.01b
Hi Everyone! We're rolling out V01.01b, this patch fixed a variety of issues that players have identified! These could potentially be considered spoilers, so if you're looking to avoid anything regard
The Tartarus Key is Now Available!
After years of development, we are incredibly proud (and nervous!) to say that The Tartarus Key is now available! We hope you enjoy yourself, as much as anyone trapped inside a mansion with elaborate
Dev Log: Texture Trickery
We wanted to take a moment to talk further about some of the design choices we made in The Tartarus Key that we think adds to the game's charm and appeal, such as the deliberately low resolution of th
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Adventure |
| Player tags | Adventure · Psychological Horror · Exploration · Singleplayer · Choices Matter · Multiple Endings · Horror · Escape Room · Puzzle · First-Person · Story Rich · Psychological (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · Camera Comfort · Custom Volume Controls · Playable without Timed Input · Save Anytime |
| Languages | English |
| Controller | Full support |
| Achievements | 16 |
| Estimated owners | 50,000 – 100,000 (SteamSpy) |
| Official site | https://www.tartaruskey.com/ |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 Processor: Intel Core i3-3240 (2 * 3400), or AMD A8-3850 (4 * 2900), or equivalent Memory: 4 GB RAM Graphics: GeForce GT 640 (2048 VRAM) or Radeon R7 250 (2048 VRAM) Storage: 1 GB available space