Parallel Experiment
Two detectives, one deadly experiment, a race against time. Each player only has one half of the puzzle. In this 2-player co-op puzzle game you can survive the parallel experiment only by working together.
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Kathy Rain 2: Soothsayer
In this point-and-click urban thriller, down-and-out private eye Kathy Rain will embark on her most dangerous case yet — the pursuit of the notorious serial killer known as the Soothsayer. Find clues, gather evidence, connect the dots, and confront the murderer before the hunter becomes the hunted…
The Precinct
Averno City, 1983. Gangs rule the streets and your father lies restless in his grave. Clean up the city, uncover the truth, and embark on thrilling vehicle chases through destructible environments in this neon-noir action sandbox police game.
Beholder: Conductor
A Beholder series spin-off. Become a conductor of the Determination Bringer train: monitor passengers, report incidents, and carry out important Ministry assignments — whose level of secrecy depends only on your loyalty. And remember: mission success is very important to you!
Bureau of Contacts
"Bureau of Contacts" - ghost-hunting game for 1-4 players, in which you'll encounter 2 enemies at once - location itself and the ghosts with most human-like intelligence ever. So...look around and watch what you say!
The Talos Principle: Reawakened
Step back into a world of thought-provoking puzzles, philosophical intrigue, and breathtaking visuals with The Talos Principle: Reawakened - a first-person puzzle masterpiece for both new players and long-time fans alike.
Blue Prince
Welcome to Mt. Holly, where every dawn unveils a new mystery. Navigate through shifting corridors and ever-changing chambers in this genre-defying strategy puzzle adventure. But will your unpredictable path lead you to the rumored Room 46?
Trials of Innocence
Trials of Innocence is an indie courtroom detective game. Step into the shoes of the main character, rookie lawyer Luna Ray, and navigate her journey through the legal world. Unravel a shocking conspiracy that changes the fate of many, including herself, and confront her inner choices.
BrokenLore: LOW
BrokenLore: LOW is a psychological horror game set in a mist-covered, beautiful Japanese village, blending hyper-realistic graphics with low-poly elements. The main enemy is the Gashadokuro, a yokai from Japanese folklore.
Dreamcore
Experience backrooms like never before. Dreamcore is the ultimate psychological exploration game, set in the largest liminal world ever made. No guides, no path—only intuition. Will you keep your bearings in a world designed to make you lose them?
The Shell Part III: Paradiso
The coiling chains of obsession that began with The Shell now threaten to strangle Detective Reiji Tokisaka in the third and final entry in the trilogy. As old friends and foes rise up for one last confrontation, can anyone break the cycle—and can Reiji's heart ever be set free?
Indiana Jones and the Great Circle
Uncover one of history’s greatest mysteries in a first-person, single-player adventure. The year is 1937, sinister forces are scouring the globe for the secret to an ancient power connected to the Great Circle, and only one person can stop them - Indiana Jones™.
Enigma of Fear
Become Mia, a paranormal detective searching for her missing father inside the Perimeter - a place that doesn't exist. Investigate clues like a real detective and unravel the mysteries behind the Enigma of Fear, defeating the terrible monsters who'll try to stop you.
Once Alive
A story-driven, first-person adventure game offering a cinematic experience. Embark on a journey to HaustVille, an abandoned settlement in a post-apocalyptic world. Explore your surroundings and uncover the mystery behind the disappearance of the last survivors.
The Rise of the Golden Idol
The Award-winning detective saga returns in this standalone sequel to The Case of the Golden Idol. Uncover the truth behind 20 strange cases of crime, death and depravity in the 1970s. The world has changed dramatically - the sins of humanity have not.
Is this Game Trying to Kill Me?
An old shack deep in a dense forest, a strange computer and a game that's trying to kill you!
Daemonologie
A short folk horror story about the Scottish witch trials. You play the role of a witch finder. Speak to the locals and sort their truths from their lies. On the last morning a witch must hang, best you know who by then.
Broken Sword - Shadow of the Templars: Reforged
The classic multi-award winning adventure "Broken Sword - the Shadow of the Templars" returns with glorious 4K visuals and iconic remastered audio, pitching intrepid tourist George Stobbart and fearless journalist Nico Collard into a journey of perilous adventures and ancient conspiracies.
Machinika: Atlas
Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!
Hard Time III
The toughest prison sim in the yard is back to serve its 3rd consecutive sentence - combining classic moments from the OG with the best aspects of 2D, while putting out a few hits of its own! Tackle crime from either side of the prison fence, while a larger world beyond it makes life worth living.
Ace Attorney Investigations Collection
Miles Edgeworth's dramatic turnabouts take center stage! Experience both Ace Attorney Investigations games in one gorgeous collection! Investigate crime scenes and solve tough, intriguing cases through logic and deduction. When Edgeworth's past and present collide, his future begins!
The Casting of Frank Stone
The shadow of Frank Stone looms over Cedar Hills, a town forever altered by his violent past. As a group of young friends are about to discover, Stone’s blood-soaked legacy cuts deep, leaving scars across families, generations, and the very fabric of reality itself.
Depersonalization
"May all stories find their best endings." "Depersonalization" is an anthology-style game featuring standalone chapters and diverse story genres. We continuously collect and create a wide variety of stories, ultimately housing them in a library that transcends the flow of time.
Nobody Wants to Die
Lose yourself in the dystopian world of New York, 2329; immortality comes at a price that someone has to pay. In this interactive noir story, lead the investigation using advanced technology, as Detective James Karra who risks it all in pursuit of a serial killer targeting the city’s elite.
DeathWatchers
Use the specialized equipment at your disposal to locate & log as many paranormal events as possible. Decipher the ingredients needed for your ritual and try to exorcise any demons within. Any incorrect ingredients and you may never leave! 1-4 Players
Riven
Uncover a story of intrigue, betrayal, and a civilization teetering on the brink of collapse as you solve intricate puzzles to unlock the secrets of Riven. Built from the ground-up and expanded from the award-winning original game released in 1997.
Uncover the Smoking Gun
A Battle of Wits with AI: Solve the case by conversing with a suspect robot using GPT to gather evidence. What single truth emerges from countless dialogues and pieces of information?
Arctic Eggs
Eggs: perfection in two parts. The simple whites. The sublime yolk. Each the lesser without its partner. Chorus and verse. A symphony of flavor. The catchy tune reminding us of warm baths and late-night movies. The elevator music to whatever lies beyond.
The Bridge Curse 2: The Extrication
Try to escape with your life in a first-person survival horror adventure. Play through the eyes of four distinct characters as you evade and confront terrifying ghosts, unravel mind-bending puzzles, and unearth a sinister conspiracy…
The Shell Part II: Purgatorio
Detective Reiji Tokisaka is back to face down a mystery that spans decades, if not centuries. With the aftermath of his last case weighing on his soul and a long-silent cult resurgent, can he solve the crime—or will it become his curse?
Sophia the Traveler
Join our lovely heroine as she roams Venice, the City of Water. Like a Where's Wally Visual Novel: Search for objects & characters in stunning and vivid hand-painted cityscapes!
Botany Manor
Welcome to Botany Manor, a stately home in 19th century England. You play as inhabitant Arabella Greene, a retired botanist. Explore your house and gardens, filled with research, to figure out the ideal habitat of forgotten flora. Grow each plant to discover the mysterious qualities they hold…
Content Warning
Film your friends doing scary things to become SpöökTube famous! (strongly advised to not go alone)
Between Horizons A Sci-Fi Detective Adventure
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
Logiart Grimoire
Logiart Grimoire is a puzzle game that combines the number puzzle "Logiart" and the word puzzle "Fusion" in which you deduce combinations from clues.
Most played investigation games
Discover top-rated Investigation Steam games and hidden indie gems
Finding quality Investigation experiences on Steam can be challenging with hundreds of new releases every month. Wasdland filters through the noise by analyzing real-time user reviews, player satisfaction metrics, and historical pricing data. Instead of raw store dumps, this curated selection brings together 425 of the most relevant titles currently available.
Whether you are looking for widely acclaimed hits like Phasmophobia and Content Warning, or searching for undiscovered indie gems, our catalog helps you find the best value for your next play session. Compare live Steam game discounts with entry prices starting at 0.29€, track community ratings, and explore handpicked Investigation recommendations. All updated continuously in one streamlined catalog.