Top-Rated Free Mystery Games on Steam
136 free Mystery games with 500+ reviews and a 70%+ positive rating, newest first.
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A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?
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USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
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The train is the only escape.
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It has been -̷̯͙̔̈́-̴̱̽̓͝-̷̍̊̕͠ days without incident. Your investigation has brought you to an old metalworks factory, abandoned after a series of mysterious deaths. But something’s been growing in the quiet. A short first-person survival horror experience.
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💼 A simple task: Don’t press the red button. Sounds easy? 😏 Featuring an annoying voice, absurd endings, and too many achievements. Free. Pointless. Glorious. 🤡🔴
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The Children of Clay is a short stop motion archeology horror game, where you have to study an ancient artefact and discover its dark secret.
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Explore the origins of the mysterious Banban’s Kindergarten. Survive the dark past of the establishment. Try to make some friends. Uncover the truth behind the place, and who you are…
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Step into the shoes of a researcher in the depths of the antarctic and uncover the mysteries behind Project Hailstorm.
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Wake up and embrace your new powers. In this Bullet Hell Fast-FPS, dare to take on mystical creatures to defeat the God Raj. Nirvana awaits...
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A fourth-wall-breaking narrative adventure. It’s interview day, and you really need this job—enough to ignore the talking printer, the anomaly corridor, and the ridiculous life-or-death trials your interviewer keeps putting you in. But deep down, you know... something here is very, very wrong.
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Scauage is a short horror experience where you play as a scavenger looting an abandoned house, uncovering its dark secrets and collecting hidden treasures while facing what lurks within.
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Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.
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In the quiet of conscience and shadows of sin, four souls find themselves entwined in crimes involving a woman. In this narrative puzzle game, you don the sacred robe of a priest, hear the confessions of sinners, uncover secrets, seek the truth behind their crimes and deliver the final judgment.
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Welcome to Happyhills, the town where you can indulge your deepest desires, make your wildest dreams come true, and slaughter anyone in your path. In this case, all three of these are the same. Welcome the citizens of Happyhills in your way!
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Tales of Rein Ravine is an indie horse game that aims to challenge its players with unique real-life inspired riding, as well as tell an intriguing equestrian story to a young adult audience.
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Morimens is a roguelite card-battler inspired by the Lovecraftian mythos. Bond with a diverse cast of Awakeners, build your perfect deck, and battle through the mists of Kadath—facing wild events and uncovering maddening truths at every turn.
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Can you solve the mystery of the Beast of Gozdary?
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Dark Hours: Prologue is a free co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with a monster. Forget your plan, your mission: survive! Explore and cooperate to find a way out or hide and wish for daylight.
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Clap Clap is a short indie horror game that puts you in the shoes of a house sitter, experiencing strange occurrences in a seemingly ordinary home.
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Mimic Search is a short indie horror game, in which you take the role of a police officer investigating a recent mimic attack.
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Banana is a clicker Game, in which you click a Banana! In Banana you click the Banana to gain even more Bananas! Every 3 hours, you get dropped a banana. Each banana is also made by the community in discord. Come hang out with us and let's grow into something awesome !
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Aurora Hills: Chapter 1 is the first part in series of point and click puzzle adventure games. Follow the journey of Ethan Hill, a park ranger tasked with investigating strange disappearances from the region to uncover the mystery of Aurora Hills!
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Some things are better left forgotten.
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Discover a welcoming world in Palia, a free-to-play fantasy life sim adventure where you can craft, explore, and create the life and home of your dreams. With nearly endless ways to make Palia your home, you’ll find relaxation and joy in every corner of this vibrant, heartwarming world.
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A fable from your childhood. Don't you remember it?
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Rental is a short and spooky adventure game about the dangers of renting a house in an unknown place.
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Rabbit Hole is a fast paced, tough-as-nails 2D RogueLike-Shooter, made with love for the genre. You are Disc, someone who was suddenly brought to the Rabbit Hole. Collect guns, fight foes and meet strange new characters on your descent to the bottom, all in an attempt to find your heart again.
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A handpainted cozy hidden object adventure. Explore a surreal world. Collect items for its quirky inhabitants. Fix damaged paintings and solve casual puzzles. Help a lost skeleton painter find his way home. This game is short but 100% FREE (no ads, no IAP).
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A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
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Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
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Escape a time loop as an overworked office employee by solving cryptic puzzles with alternate reality game elements.
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The Backrooms: Unbounded is a Free Simple Linear single player first person body camera horror game based on the backrooms. You take the role of a police officer who noclips out of reality while on duty. Will you make it out alive?
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Get ready to tilt into terror. The new horror-inspired pinball platform for fearless players. Prove your skills on the most sinister, gory, and badass tables ever brought to life.
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Immerse yourself in a pixel-art visual novel that blends thrilling crime, romantic comedy, and the pursuit of love. This game depicts the story of a new employee pursuing his female boss.
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Immerse yourself in romantic visual stories where you control what happens!
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Wolvesville is a multiplayer game for up to 16 players. Each game has different teams such as villagers or werewolves all fighting to be the last team standing. Use special abilities to uncover the roles of other players and convince your fellow players to work with you.
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'Escape Memoirs: Questionable Side Stories' is a humorous co-operative escape room game where you are a henchman who has to make his way through variety of puzzles to make it to a job interview on time. Can you solve all of the puzzles that stand in the way of your employment?
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This stand-alone prologue puts you in the tiny shoes of Grace Saunders – an 11-year-old girl delivering a letter, when things go horribly wrong… Experience the unique 1920s horror atmosphere of Alone in the Dark and prepare for the terror that awaits in Derceto Manor
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Play as Sam and fish to your hearts content, sell fish you've caught, collect better gear, and use it to explore the depths of the mysterious lake, but be warned as no one knows what lies at the bottom. Wretched Depths is a PSX-style horror fishing game created by students at the University of Utah.
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SCP: Observer is a frightening experience in which you'll play the role of a maintenance engineer trapped inside a security room. Survive by managing the emergency power supply, monitoring the facility's camera system for threats and blocking the paths of oncoming horrors.
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Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
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You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."
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Missing Hiker is a short indie horror game, where your brother Ethan went missing while hiking and you need to find him.
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Your crew consists of two elite thieves. A client hires you to steal a mysterious item. One handles intel; the other infiltrates. Choose your roles and master the heist in this asymmetric co-op puzzle game.
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An algorithm decided to show you this. What now?
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A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.
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An unusual horror-themed Visual Novel about waking up in a carriage with a stranger… Whatever could go wrong?
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Create the most successful bakso business in this world!
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"Escape Memoirs: Mini Stories" is a series of co-operative escape-room style puzzle scenarios. Each one is sure to test your wits as you try to overcome the challenges that stand in the way of your escape.
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Tvö is an online cooperative puzzle game where two players must use their wits and communication skills to find a way into the heart of the labyrinth. This game can be played using our in-game voice chat or a third-party option.
