Best Investigation Games on Steam
Games about gathering evidence, questioning details, forming theories, and uncovering truth.
Browse all Investigation →
1Phasmophobia
- Players say: Investigate haunted locations alone or with up to three teammates, using ghost-hunting gear and observed behavior to identify spirits. Players like: Co-op with Friends · Ghost Deduction · Tense Investigations
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Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
Sep 18, 2020
In this game, you can…
- use your real voice to taunt a ghost, and it can hunt you for what you say.
- ask a ghost questions, hear it answer "close" and "die," then get strangled while your friends photograph the body for cash.
- trigger a cursed item that starts a deadly round of hide-and-seek while you listen from a hiding spot.
- insult a ghost inside the house, and it can instantly lock the door and start hunting your teammate.
- sit in the truck watching cameras and sensors while your friends investigate inside and try not to get hunted.
- take a photo of a ghost standing over a collapsing teammate, and sell that death moment as mission-paying evidence.
- watch a ghost ignore everyone else during a hunt, beeline to the basement to stare at you, then walk away.
2PEAK
- Players say: As stranded scouts, climb a shifting island mountain alone or with friends, managing stamina, injuries, food, and gear. Players like: Chaotic Friend Co-op · Team Rescues · Daily Map Variety
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PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
Jun 16, 2025
In this game, you can…
- shoot a teammate with a blow dart, stick them to a cactus, and then eat them.
- die and keep playing as a ghost, floating alongside your team and guiding them upward even though you can't touch anything.
- play in a modded lobby with up to 20 climbers, coordinating rescues and supplies while the whole group screams in voice chat.
- help each other up ledges with hand boosts, ropes, and climbing spikes so the route you build becomes the route your friends climb next.
- hear a friend's screams fade in proximity chat as they fall off a cliff and their voice disappears into the distance.
- start on a beach and climb through jungle rain, a stamina-draining blizzard, lava mountains, and an almost-vertical volcano crater escape.
- find survival gear in suitcases and shrines, including rare items that only show up if everyone in the party is still alive.
- use a lollipop to reach an otherwise impossible ledge, then drop a rope to teammates who are starving below.
- slip on a banana peel that spawns when you feed someone a banana, sending them off a cliff if they're standing too close.
3Content Warning
- Players say: Team up to explore a monster-filled underworld, film scares before oxygen runs out, and upload footage to chase views. Players like: Funny With Friends · Camera Footage Replays · Horror-Comedy Mix
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Film your friends doing scary things to become SpöökTube famous! (strongly advised to not go alone)
Apr 1, 2024
In this game, you can…
- charge a monster on purpose as a paid distraction, then earn enough from the footage to wipe out the hospital bill.
- extract your recording, watch it together on the in-game TV, then save the video file to your desktop to share later.
- zoom in to film your friend dying instead of running, and the mic can give you away if someone forgets it's on.
- film your run like a crew, then get the camera back to the bell to upload it for views and ad money.
- record yourself bragging you're the only survivor, get jumped on camera seconds later, escape, then watch the clip on the house TV.
- get swallowed, spat out, and still sprint the footage home and become famous within the same 10-minute run.
- get yanked from one attack to the next in seconds—worm, snail, hand monster, roof monster—like a forced highlight reel.
4Big Walk
- Players say: Explore a sprawling island with friends, solving cooperative puzzles and using proximity chat, gestures, and tools to stay in touch. Players like: Shared Friend Moments · Cooperative Puzzles · Relaxed Island Exploration
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Hang out and get lost with close friends in a big world. A cooperative online walker-talker from the creators of Untitled Goose Game.
Aug 4, 2026
In this game, you can…
- join a full party of 12 strangers online.
- carry a lost friend's body across the journey as an honor guard instead of leaving them behind.
- get separated by distance until voices fade out, then coordinate over walkie-talkies by describing landmarks like trees.
- lose your friends in the woods and have to shout, wave, and invent gesture-language to reconnect.
- get spit up and suddenly find yourself completely alone in the world, separated from your group.
- turn a cowbell into a moving beacon, then end up sitting in the dark around glowing balls and a lamp ball.
- spend hours just walking together, dancing, sitting on the beach, then watching stars and sunrise between puzzles.
- keep firing a flare gun so often it washes the whole world in yellow light.
5Unheard - Voices of Crime
- Players say: Revisit crime scenes as an unseen listener, tracking conversations across rooms and timelines to identify suspects and solve cases. Players like: Distinctive Audio Mystery · Connected Case Stories · DLC Deduction Puzzles
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What if you could hear every word spoken at the scene of a crime? “Acoustic Detectives” wanted for testing our new device! Return aurally to crime scenes and use the voices you hear to identify potential suspects and solve the mysteries. What is it that’s connecting these seemingly unrelated cases?
Mar 28, 2019
In this game, you can…
- solve an entire crime by listening to voices and ambient sounds, with no characters to control and no visuals to rely on.
- start hearing one side of a phone call, then jump to another room to catch the other side and reveal who's really talking.
- track anonymous moving dots on a map, match them to voices, then shadow the people you've identified across every room they enter.
- rewind time, switch rooms on a floorplan, and hear the same moment from another angle until the conversation finally makes sense.
- follow one person through a scene, then rewind and follow someone else to catch the exact moment their stories secretly intersect.
- drop timestamped notes on the timeline so you can instantly jump back to a suspicious line, a confession, or a clue you heard earlier.
- untangle a single dense recording where multiple people try to steal one painting, and the real artwork's location keeps flipping as you replay it.
6Murders on the Yangtze River
- Players say: A traveling detective investigates murders along early-20th-century China’s Yangtze, seeking clues to his brother’s death. Players like: Connected Case Story · Historical Detail · Memorable Characters
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"Murders on Yangtze River" is an Ace Attorney-like detective game that takes you on a journey through early 20th century China as you solve a series of intriguing cases. Use your logical reasoning and deduction skills to uncover clues, interrogate suspects, and solve the mysteries.
Jan 30, 2024
In this game, you can…
- watch the steamship glide down the Yangtze between cases, with hand-drawn landscapes and poems as your travel scenes.
- cross-examine a suspect line by line, then pick the exact sentence your evidence contradicts.
- follow a mystery that starts with your brother ruled a suicide in London, then find a Shanghai detective novel describing the exact same death.
- re-enact a crime scene, mixing in one-off puzzles like connect-the-dots and liquid experiments when a case demands it.
- play cases that keep changing the rules on you, swapping between debates, group testimonies, and brand-new mechanics each chapter.
- unlock an in-game glossary of Qing-era laws, forensics, autopsy methods, and murder techniques as the story relies on them.
- deliberately chase wrong answers to collect bad endings that come with their own unique artwork.
- hit later cases that turn into locked-room mysteries and courtroom-style showdowns, stacking contradictions until you can finally crack them.
7Indiana Jones and the Great Circle
- Players say: As Indiana Jones in 1937, investigate a stolen artifact, solve ancient puzzles, and evade enemies in a first-person globe-trotting adventure. Players like: Classic Indy Atmosphere · Ruins and Exploration · Environmental Puzzles
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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™.
Dec 8, 2024
In this game, you can…
- end up fistfighting a karate expert on top of Noah's Ark after chasing artifacts around the world.
- spend hours roaming the Vatican, photographing cats, and stealing biscotti while you dig through archives and hidden ruins.
- use your whip to distract, disarm, pull enemies closer, flick far-off levers, grab objects, and climb or swing over patrols.
- recreate the Raiders opening, boulder chase and all.
- knock out a guard with a shovel, throw it at the next guy, whip a third enemy's gun away, then rush in with a haymaker.
- wear a disguise to blend into enemy territory, then decide whether to keep sneaking or start a full-on brawl when it falls apart.
- play detective in open zones by using your notebook and camera to spot details, photograph clues, and solve puzzles from the environment.
- go most of the game without firing a single gunshot, relying on fists, melee weapons, and the whip instead.
8The Test
- Players say: Answer unsettling yes-or-no questions in an eerie psychological test, then receive a secret-word result and personal reading. Players like: Thought-Provoking Questions · Personal-Feeling Results · Self-Reflection
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You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Feb 24, 2020
In this game, you can…
- punch a nun.
- sit through an unsettling interrogation that asks about strange noises, being watched, and what you'd do next.
- reach the end and get a personal "results" reveal that can hit hard enough to make you cry.
- answer question after question until it feels less like a quiz and more like it's reading you back.
- push deeper through the test even as it warns your answers may make you uncomfortable.
- keep going through a multi-stage test where the real challenge is whether you can finish at all.
- finish the test and end up feeling reassured by what it tells you about yourself.
9Escape Simulator
- Players say: Search interactive escape rooms, inspect and combine clues, and solve themed puzzles alone or online with friends. Players like: Community-Made Rooms · Co-op With Friends · Varied Room Themes
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First-person puzzler you can play solo or in an online co-op. Explore a set of highly interactive escape rooms. Move furniture, pick up and examine everything, smash pots and break locks! Play thousands of community-made rooms through the level editor.
Oct 19, 2021
In this game, you can…
- create your own escape rooms and play thousands of community-made rooms from the workshop.
- jump into your friend's inspection view and watch them rotate an object live while you read the same book together.
- play a Portal-themed room where you escape Aperture Science Laboratories.
- smash pots and break locks, then pick up and rotate almost anything you find.
- pin clues to the screen so you can keep them visible while you keep searching and solving.
- trash the entire room with friends until someone accidentally hits the right solution and gets credited for solving it.
- finish the escape, then comb the room for hidden tokens tucked into devious little spots.
- play in VR and physically lean in, look around corners, and rummage through objects like you're in a real escape room.
10Strange Horticulture
- Players say: Run an occult plant shop in Undermere, identify strange herbs, solve map clues, and shape a dark mystery with your choices. Players like: Eerie Cozy Atmosphere · Plant Identification · Relaxed Pacing
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Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.
Jan 21, 2022
In this game, you can…
- choose to help, hinder, or straight-up poison recurring characters, and have those deliveries alter the story.
- kill a guy with plants, awaken an ancient horror, and later feed a police officer to a plant when he tries to arrest you.
- decipher cryptic letters and context, then click specific squares on a grid map to uncover hidden locations and new plants.
- pet the shop's black cat before you open for the day.
- deduce a plant's identity from partial clues, then hunt your shelves until the description finally clicks.
- take eerie customer requests like "night vision" or haunted dreams and translate them into the exact plant or elixir.
- run your shop like a living puzzle box by hand-labeling plants, rearranging shelves, and turning drawers into a personal clue system.
- start with simple shopkeeping, then spiral into an occult murder mystery with witches, psychics, cults, and a monster to hunt.
