Best Mystery Games on Steam
Games about unanswered questions, secrets, clues, suspects, and revelation.
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1Phasmophobia - 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 - 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.
3Stray - Lost, alone and separated from family, a stray cat must untangle an ancient mystery to escape a long-forgotten cybercity and find their way home.
Jul 19, 2022
In this game, you can…
- hide inside a cardboard box to slip through restricted areas and sneak past patrols.
- team up with a little flying drone that translates robot speech, unlocks doors, carries your items, and helps you recover lost memories.
- meow on command, purr, scratch things up, and shove bottles off shelves just because you can.
- fall through a broken pipe into an underground robot city, get separated from your cat family, and climb your way back toward the surface.
- squeeze through gaps, crawl along pipes, and hop rooftops to reach places built for humans but perfect for a cat.
- distract a shopkeeper with a blaring mixtape, sneak in disguised as a box, and piece together a path forward by poking at anything that looks interesting.
- dash through a swarming chase where creatures drop from above and you have to zigzag through alleys without getting caught.
- walk across keyboards to type nonsense, mess with board games, and nuzzle robot legs until they react.
4Life is Strange - Episode 1 - Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Jan 29, 2015
In this game, you can…
- rewind a classroom shooting to stop it and save the target.
- rewind time to preview a choice, watch the reaction, then redo it before you commit.
- end the story by choosing to save one person or sacrifice an entire town.
- set up the room, trigger a mess, then rewind so the objects stay positioned for what you need next.
- engineer paint to spill on a bully blocking your way, then rewind to choose whether to expose her or befriend her.
- reunite with a childhood friend you just saved, then follow a storm vision to a lighthouse and start chasing a tornado mystery.
- sit on a bed, swing, or bench and just watch the world in silence while music plays.
5DELTARUNE - Dive into the parallel story to UNDERTALE! Fight or spare your way through action-packed battles as you explore a mysterious world alongside an endearing cast of new and familiar characters. Chapters 1-5 are available now, with more planned as free updates!
Jun 4, 2025
In this game, you can…
- play a funny skeleton fight song on piano, then get run over by a dog driving a golf cart
- shop for a new TV by debating "groovy vs glooby" with the janitor, pulling out a diagram, buying it, and learning it's glooby
- fight battles that suddenly turn into punch-out against a giant robot, then switch into wario-ware-style minigames the next chapter
- keep picking "hug ralsei" in battle until it becomes your whole strategy
- heal yourself with a hammer, flirt with a watercooler, and swim through an acid lake
- stumble into secret bosses and a hidden route that changes the tone into something genuinely eerie
- graze bullets on purpose to build power faster while the battle box shifts and moves around you
- return to town and see the game acknowledge whether you chose to act kindly or fight
6Outer Wilds - Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
Jun 18, 2020
In this game, you can…
- die in a 22-minute loop when the sun explodes, then restart and sprint somewhere new with only what you learned.
- explore a planet as it collapses under you and drops whole sections into a black hole mid-investigation.
- learn a few rules about quantum objects, then use only that understanding to reach a moon you could have visited immediately if you'd known how.
- wake up, get a ship and suit, and just fly to any planet with no quest markers or locked areas.
- advance the entire story with knowledge alone, then use a clue from one planet to crack a mystery on another.
- set autopilot to a planet, smash into something you didn't notice, spacewalk to patch the hull, and watch your ship fly away without you.
- race through an underground city before it fills with sand, because the landscape shifts in real time as the loop ticks.
- finish the entire game in under 20 minutes if you already know what to do.
7Firewatch - Firewatch is a single-player first-person mystery set in the Wyoming wilderness, where your only emotional lifeline is the person on the other end of a handheld radio.
Feb 9, 2016
In this game, you can…
- walk into a remote research outpost and find transcripts of your private radio conversations already written down.
- follow a strange lake signal to a hidden site, get knocked out, and wake up to a mystery that suddenly feels personal.
- start by making life-defining choices in a text-only prologue before you ever step into the woods.
- live alone in a lookout tower and build your only relationship through a handheld radio.
- navigate a massive wilderness with just a map and compass, using landmarks like you're actually hiking.
- inspect random objects you find and radio them in to spark custom conversations that change the tone between you two.
- arrive at that research site and then watch it burn, leaving you wondering if you're being set up for the fires.
- spend hours expecting a huge conspiracy payoff, then end on a short, awkward goodbye and a straight evacuation.
8Persona 4 Golden - A coming of age story that sets the protagonist and his friends on a journey kickstarted by a chain of serial murders.
Jun 13, 2020
In this game, you can…
- step into your TV on a rainy night.
- build friendships — even with a shrine fox — that directly power up your combat fusions.
- fight someone's "other self" so their Persona can awaken and join your team afterward.
- live a full school year where every day is two choices.
- capture Personas, then fuse them into custom builds with the exact skills and resistances you want.
- dive into a foggy TV-world dungeon of random floors, hunt the staircase, and push deeper for treasure and rare fights.
- investigate a string of disappearances by chasing clues across town, watching the Midnight Channel, then entering the next victim's TV world before the deadline hits.
- bounce from goofy school trips and club hangouts to life-or-death boss fights as your classmates become a full detective squad.
9Everlasting Summer - Visual novel loved by many – Everlasting Summer – now on Steam!
Nov 19, 2014
In this game, you can…
- fall asleep on a snowy night bus and wake up in a Soviet summer camp as a younger teenager.
- clear all six main character good endings to trigger a new character appearing at the mine and pushing the central mystery further.
- piece together clues from multiple routes until the overarching story turns into reality-bending psychological sci-fi revelations.
- live through a summer camp that treats your sudden de-aging like it's completely normal, even rooming you with the camp director.
- follow a prank into a disused mine and bunker, uncovering an underground mystery thread that keeps resurfacing across routes.
- finish a good ending and unlock an extra route that swings the whole story into horror-comedy territory.
- replay the same days and get completely different late-game events depending on which route you're on, like uncovering secret versions of the summer.
- play a poker-inspired card game as a side activity with real strategy instead of just dialogue choices.
10Content Warning - 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.
