- March 18, 2025
- Alessandro Arcangeli
Flat 9
Platforms
About Flat 9
Flat 9 is a single player simulation game with a horror theme. It was developed by Alessandro Arcangeli and was released on March 18, 2025. It received overwhelmingly positive reviews from players.
Sent to investigate an abandoned apartment, you are tasked with documenting strange occurrences using the A.D.D. (Anomaly Detection Device)—a specialized tool capable of detecting and repairing irregularities. At first, the apartment seems perfectly normal, but as you explore, reality starts to shift. Objects move on their own, shadows flicker unpredictably, and unnatural occurrences manifest a…


Games Like Flat 9
Looking for games like Flat 9? Here are top simulation recommendations with a horror focus, selected from player-similarity data — start with Floor 9, The Cabin Factory or Twisted Gallery 异馆.
Reviews
- Engaging and clever anomaly detection gameplay with a balanced difficulty that keeps players on edge without being overly punishing.
- Effective horror atmosphere with well-designed scares that avoid cheap jump scares, making it suitable even for younger or sensitive players.
- Thoughtful progression system that penalizes mistakes without heavy frustration, combined with a rewarding final challenge and a Collector Mode for completionists.
- Short overall length limits replayability and depth, leaving players wanting more content or variety.
- Some technical issues including poor optimization, graphical glitches like motion blur and texture quality inconsistencies that can detract from immersion.
- Visual effects inside the apartment can be overwhelming or cause discomfort despite available settings, indicating a need for further customization options.
gameplay
6 mentions Positive Neutral NegativeThe gameplay is engaging and cleverly designed, combining observation-based mechanics with occasional jump scares to create a tense and exciting experience. It strikes a balance between challenge and accessibility, making it stand out among similar games without being overly difficult or lengthy.
“I just finished Flat 9 and it genuinely stands out thanks to a few really smart gameplay mechanics.”
“It’s not the hardest anomaly-finder out there, but it’s far from simplistic, and its mechanics help it stand apart from similar games.”
“This is a nice experience that combines observation-based gameplay with occasional jump scares.”
“The core mechanic of spotting differences between room iterations is engaging and keeps you on edge, making every playthrough tense and exciting.”
Frequently Asked Questions
Flat 9 is a simulation game with horror theme. Common tags for Flat 9 include first-person, 3D, realistic, indie, surreal and others.
Flat 9 is available on PC and Windows.
Flat 9 was released on March 18, 2025.
Flat 9 was developed by Alessandro Arcangeli.
Flat 9 has received overwhelmingly positive reviews from players. Most players liked Flat 9 for its atmosphere but disliked it for its gameplay.
Flat 9 is a single player game.
Similar games include Floor 9, The Cabin Factory, Twisted Gallery 异馆, 50 Floors: The Paranormal Investigators Prologue, Last Term and others.








