7 Suspects. 1 Killer. Stonewall Penitentiary is an indie murder mystery adventure that is presented in the visual style of graphic novels. Discover why you and six others were kidnapped by an unknown captor as you search an eerie prison and solve mind-bending puzzles to determine "whodunit"!
All Reviews:
Positive (23) - 95% of the 23 user reviews for this game are positive.
Release Date:
May 13, 2018
Developer:

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Recent updates View all (9)

June 4

Just Adventure Previews Summit of the Wolf

Just Adventure has posted a hands-on preview of my upcoming game, Summit of the Wolf! Check out the article, and don’t forget to add Summit of the Wolf to your Steam wishlist today!
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May 23

Summit of the Wolf Launches Spring 2020

Summit of the Wolf is a poignant point-and-click adventure by Unimatrix Productions, the creators of the indie "whodunnit" Stonewall Penitentiary. It features both fantasy and real-world segments and is presented in the visual style of graphic novels.

After falling asleep in her warm bed one night, twelve-year-old Ophelia wakes up in an ethereal garden with no memory of how she got there. After speaking with a mysterious goddess named Adena, Ophelia sets out on a personal journey to find the fabled Summit of the Wolf, whereupon she must uncover the tragic real-world events that led to her arrival in this fantasy realm. Will Ophelia complete her quest, or will she succumb to the many dangers she must face along the way?

Add Summit of the Wolf to your Steam Wishlist today!
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Reviews

“Those who enjoy story-driven adventures should not miss Stonewall Penitentiary.”
A – Just Adventure

“[Stonewall Penitentiary] will keep you interested (and guessing) until its resolution.”
Good – Adventure Gamers

“Being wary of escape rooms and adventure games, I’m surprised by how much I wanted to keep playing this one. [...] The puzzles were pitched about right, and justified by the setting. And for once the torchlight, constant greyness and murky atmosphere set the scene rather than beating me over the head with how spooooky and scaaaaary it was.”
Rock Paper Shotgun

About This Game

Stonewall Penitentiary is an indie murder mystery adventure that is presented in the visual style of graphic novels. It pays tribute to Agatha Christie's classic And Then There Were None and horror thrillers like Scream and Saw. Discover why you and six others were kidnapped by an unknown captor as you search an eerie prison and solve mind-bending puzzles to determine "whodunit!"

Will you survive Stonewall Penitentiary and its many mysteries, or will it be your tomb?


Stonewall Penitentiary is a traditional 2D point-and-click first-person adventure game with a focus on exploration and narrative. It features beautiful graphic novel-style artwork and cinematic music. Explore an abandoned prison by navigating from room to room. Separate inventory, map, journal, and character screens are available at the push of a button.

Stonewall Penitentiary plays like an interactive novel. Throughout the game, you will make choices that can affect the outcome. The game features all standard adventure game mechanics, including locations to explore, items to collect and use, characters to meet and interact with, and puzzles to solve--all without any major pixel hunting!


You wake up. The last thing you remember is lying in bed at home. But you aren't home anymore. Looking around, you quickly establish four things: you're in a prison; your clothes are missing; your hands are tied; and you can't remember how you got here.

You are William Thane, a middle-aged man struggling with depression and alcoholism. You, along with six others, are trapped in an abandoned prison, held captive by a sociopath obsessed with justice. But there's a catch: one of you is the killer! Can you escape? Success lies in your hands!


In Stonewall Penitentiary, there are seven suspects...and any one of them could be the killer. Who is it? You'll have to use your detective skills to find out!


Becca Ronni
Becca is a no-nonsense lawyer who is guarded and mistrustful. She didn't wake up in the same place as the others. What is she hiding?


Gerard Auberon
Gerard is a hard-to-read loner, and he likes it that way. He doesn't say much, but he seems loyal. Or is that an act?


Grayson Wilford
Grayson is a take-charge businessman who isn't shy about barking orders. But is he authoritative or self-serving?


Jessie Bartlett
Jessie is a friendly, inquisitive teen girl who doesn't hesitate to let others know what she thinks of them. Does she have a dark side?


Louis Algar
Louis Algar is a D-level actor with a sick sense of humor and a huge ego. Could this all be a game to him?


Sonny Peyton
Sonny is a shy computer programmer who, despite being terrified, is quite resourceful. Why is he so helpful?


William Thane
Will is a down-on-his-luck painter who is currently unemployed and struggling with both alcoholism and depression. Throughout the game, you play as Will...but that doesn't mean he isn't also a suspect!


  • EXPLORE an abandoned prison and uncover its dark secrets
  • INTERACT with many interesting, fully-voiced characters
  • SOLVE a multitude of challenging puzzles
  • DISCOVER plenty of optional content that will test your detective skills--all without any major pixel hunting!
  • ACHIEVE two different endings, depending on your actions (or inactions)
  • UNLOCK all 27 achievements to view a special post-game bonus scene
  • DETERMINE "whodunit" in a 10+ hour story that pays tribute to Agatha Christie's And Then There Were None and horror thrillers like Scream and Saw

Mature Content Description

The developers describe the content like this:

Stonewall Penitentiary features occasional strong language, as well as scenes depicting violence/gore, sex, and nudity.

System Requirements

    Minimum:
    • OS: Windows XP or later
    • Processor: Pentium 4
    • Memory: 2 GB RAM
    • Graphics: any
    • Storage: 2 GB available space
    • Sound Card: optional but highly recommended
    • Additional Notes: Native resolution: 1366x768; rescales to fill screen

What Curators Say

7 Curators have reviewed this product. Click here to see them.

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