Next Fest, without the AI
The demos people are actually playing, most played first.
7,008 games in Steam Next Fest until 26 October. 2,506 are hidden because their developers declared AI.
Some developers don't declare it, so a few may slip through. Player counts are checked every few hours.
835 demos without AI, tagged Puzzle, most played first.
Meltdown Crew
Meltdown Games
Run a barely-stable nuclear reactor with your friends in this online co-op physics chaos game. Fix broken systems, manage radiation, survive power outages, and prevent a total meltdown before everything goes horribly wrong.
ActionSimulationStrategyParty GamePuzzle▶ Peak: 2,229 playersMore like this →Worst Class Ever
顽核社 FuncoreClub
This is a fun 1-6 player asymmetric party game! Five player are mischievous troublemakers,hide among dozens of NPC students to sneak snacks, pass secret notes, and use phones secretly in class. One player acts as a strict teacher, track down all hidden troublemakers in the crowd.
MultiplayerFunnyParty GameHidden ObjectSimulation▶ Peak: 765 playersMore like this →Haunted Paws
LazyFlock
A cozy and spooky co-op adventure where two puppies rescue their owner from a haunted mansion. Customize your puppy, solve puzzles together, and defeat evil creatures. Play locally or invite a friend for free with Friend’s Pass.
Local MultiplayerMultiplayerOnline Co-OpHorrorCo-op▶ Peak: 726 playersMore like this →Hela: of Mice & Magic
Windup
See the world through the eyes of a brave little mouse in this enchanting 3D co-op adventure. Explore breathtaking landscapes inspired by Northern Sweden, solve puzzles, and be a force for good in a land where heartwarming storytelling and the beauty of nature intertwine.
MultiplayerExplorationPuzzleParkourPlatformer▶ Peak: 308 playersMore like this →Never Sort By Color
Bryan Livingston
Somewhere under that mountain of bricks is your floor. Sort the impossible Pile with a magnet glove, sieves, and part-seeking vision. Fill labeled drawers, pull parts, watch MOC builds snap together brick by brick. Cozy, satisfying, and governed by one rule: never sort by color.
RelaxingOrganizingCollectathonPuzzleSingleplayer▶ Peak: 296 playersMore like this →Dude, Trust Me
Sefik Studios
Get hopelessly misunderstood by your two best friends. One of you goes blind, one goes deaf, one loses their voice, and no puzzle here can be solved by one person. Can the three of you work out how to understand each other?
Time ManagementPuzzleCasualParty Game3D▶ Peak: 247 playersMore like this →Meltdown
Team STEP GmbH
Meltdown is a nuclear reactor desk-job simulation where you, the newly recruited operator, must control the reactor to power the surrounding city. Maintain the wires in the power grid, regulate the water tank's flow, and tune the steam ventilation to keep the reactor from overheating.
CasualManagementPuzzleScore AttackFast-Paced▶ Peak: 169 playersMore like this →Traffic Architect
Green Signal Games
Become the master of traffic with your expert infrastructure designs. Lay down streets, shape junctions, time traffic lights, design a public transport network, and watch the city come alive. It grows on its own, and every new building sends more trips onto the roads you built.
City BuilderSimulationStrategyTransportationPuzzle▶ Peak: 139 playersMore like this →Geareo
WITWELD
Real gears that don't slip in a mechanical invention sandbox. Build freely with resizable parts and shapes, overcome physics challenges, and follow kit instructions. Unleash your engineering creativity with intricate clockwork contraptions, steam-powered systems, and fully functional circuits.
PhysicsSandboxSimulationBuildingModdable▶ Peak: 67 playersMore like this →Sandcastle
Bubblebird Studio
On a sun-warmed tropical shore, quietly craft a mighty sandcastle. Carve moats, raise towers and walls, then embellish with driftwood, pebbles, shells and seaweed. Gentle tides, soft surf and a calming color palette turn every build into a peaceful, relaxing moment.
CasualSimulationSandboxRelaxingPhysics▶ Peak: 62 playersMore like this →There Are No Ghosts at the Grand
Friday Sundae
Inherit a crumbling English hotel and restore it by day - while battling ghosts by night. With a sardonic cat, a talking power tool, and a twisting supernatural plot, this is a musical mystery unlike any other. Will you be able to hold it together while everything around you falls apart?
SimulationFirst-PersonStory RichAdventureSingleplayer▶ Peak: 60 playersMore like this →Seikyu Let’s Go!
ACE Entertainment
A 1-4 player co-op campervan trip through the yokai-filled wilderness. Snap photos of elusive creatures, decorate your van together, and help the locals you meet along the way. Camp, cook, and clamber across diverse biomes, from misty swamps to snowy mountains. Adventure awaits, so Let’s Go!
AdventureMultiplayerCo-opPuzzleExploration▶ Peak: 57 playersMore like this →Clean Start
Serious Sim
Clean and organize other people’s homes while uncovering emotional stories through the objects you find. Discover each room’s unique history, dig up secrets, and feel the satisfaction of tidying up the space in this wholesome, casual puzzle game about new beginnings in a foreign country.
CleaningOrganizingRelaxingCozyCasual▶ Peak: 51 playersMore like this →FAKE ME
YUMEXE
Model, paint, and blend in! FAKE ME is an online multiplayer hide-and-seek game where you create your own disguise. Use simple 3D modeling tools to build the object you’ll hide as. You can also create your own costume by modeling. Hide from the Seekers or find every Faker before time runs out!
IndieHidden ObjectCasualMultiplayerAnimation & Modeling▶ Peak: 49 playersMore like this →DEADLINE: Afterlife Processing
SOUNDIL
The dead wait in line. You run the press. Read each soul, judge it, seal it and get paid for it. Tired of doing it yourself? The catalog has machines that'll do the work for you. Management recommends it. Management appreciates your cooperation.
IndieSimulationIncrementalDarkAtmospheric▶ Peak: 48 playersMore like this →Sirens
Silent Lamb Studio
Become a deadly Siren and hunt down the most dangerous sea creatures that have ever swim in the depths of the oceans! Experience a fascinating journey through the world as seen from the perspective of Sirens at various stages of their evolution.
Early AccessHidden ObjectHuntingAction-Adventure3D▶ Peak: 48 playersMore like this →Did You See That?
Ashen Studios, IURAS Studios
A 2 Player psychological horror game where not every player sees the same reality. Explore a carnival trapped in an endless transformation, detect anomalies, verify with your friend if they see the same thing and make the right decisions before the clown Bobby loses his temper...
Online Co-OpPsychological HorrorExplorationWalking SimulatorImmersive Sim▶ Peak: 43 playersMore like this →Fangtopia
Absolutely Games
Sink your teeth into Fangtopia, a cozy and relaxing tile puzzle game where you assemble landscapes to craft a monsterrific paradise for friendly ghouls and ghosts. Design a care-free, scare-free world of gentle chills.
PuzzleRelaxingCity BuilderTurn-Based StrategyCasual▶ Peak: 43 playersMore like this →Logic Arrows
Artem Yashin
Logic Arrows is a sandbox game where you design your own mechanisms: from logic gates to an entire computer. Use simple elements to build complex systems, solve engineering challenges and master computer logic.
ProgrammingLogicSandboxSimulationAutomation▶ Peak: 43 playersMore like this →Catch Meow If You Can
Tempest Games
An online co-op survival game for up to 4 players. Play as a famous, award-winning cat. While the owner is away, different types of burglars invade the mansion. Explore dark rooms, solve puzzles, outsmart intruders, fight back, and escape without getting caught.
MultiplayerOnline Co-OpCo-opComedyCats▶ Peak: 41 playersMore like this →The Road of Dust and Sorrow
Painted Black Games
The Road of Dust and Sorrow is a tense, story-driven pixel art horror inspired by ’90s classics. Survive a world gone wrong and protect what matters most: your daughter.
ExplorationSide ScrollerPuzzleArcadeAction-Adventure▶ Peak: 34 playersMore like this →Act Normal
Signal-Null
Everyone is hunting. Everyone is hunted. Act like an NPC and steal enough to survive each round. No warning, no leaderboard. Blend in, steal, and figure out who the other players are before they figure out you.
Hidden ObjectParty GamePvPPsychologicalInvestigation▶ Peak: 33 playersMore like this →Hide Your Cash
Funcity
Hide your cash in the toilet tank, under the mattress, behind the fridge. Then break into your friends' houses and find theirs while they block the door, shove you aside and try to look innocent. A 1–4 player physics party game, online with friends or solo against a bot.
Psychological HorrorHorrorExplorationFirst-PersonPuzzle▶ Peak: 31 playersMore like this →Patient Zero: Plague Idle
Game Gangsters
Patient Zero: Plague Idle is an idle / incremental outbreak builder where you create the perfect pathogen through mutation trees, global infection, long-term upgrades, and new pathogen unlocks. Turn the world into your lab.
IncrementalIdlerStrategySimulationOutbreak Sim▶ Peak: 30 playersMore like this →Backpack Inspector
Fesunenko Games
Fantasy customs officer simulator. Decide the fate of the heroes who want to get into the kingdom, on whose guard you stand. Check their backpacks for forbidden artifacts, stolen items, and contraband. Be watchful, for the glory of the crown!
IndieSimulationStrategyFirst-PersonSingleplayer▶ Peak: 26 playersMore like this →Clowntown
Batterystaple Games
An off-beat co-op party campaign for 2-8 clowns. Collaborate or sabotage your way through hand-crafted action puzzles and evolving minigames that will have you laughing, screaming, and honking with your friends.
Party GameCo-op CampaignCo-opPuzzleFunny▶ Peak: 21 playersMore like this →Roll for Order: Sort Every Set!
Frost Luna Studio
A cozy first-person sorting game set in a cluttered 1980s basement. Find thousands of scattered dice, identify their sets and return each one to the correct display. Play solo or in co-op, choose a fantasy class and unlock magical powers that make sorting easier.
OrganizingRelaxingCollectathonCasualSimulation▶ Peak: 21 playersMore like this →Sort The Bunnies
PiqFocus Interactive
Sort adorable bunny collectibles solo or with friends in online co-op. Match each figure to its shelf, complete colorful collections, and spend your earnings on helpful upgrades in this cozy organizing simulator.
OrganizingSimulationCasualCollectathonRelaxing▶ Peak: 21 playersMore like this →Annalynn MD
Cruise Elroy
Annalynn MD is a falling block puzzle game that hearkens back to similar titles of the 16-bit era. Twist, turn, and take out germs in three different game modes as you help Annalynn make the world just a little bit healthier.
Falling BlocksRoguelikeArcade2DStrategy▶ Peak: 20 playersMore like this →Tearoom of Terror
Sundew Studios
Tearoom of Terror is a cozy-gothic narrative cooking mystery where you investigate the mysterious death of your estranged aunt in a tearoom filled with sinister patrons, unsettling secrets, and morally questionable requests.
ExplorationInteractive FictionCookingPuzzleVisual Novel▶ Peak: 20 playersMore like this →Put Your Toys Away Together!
Toxic Studio
A cozy co-op game about turning the toy store of your dreams into a perfectly organized world. Sort all 20,000 toys, find the right home for every doll, dinosaur and train, and watch the shelves spring back to life – on your own or with up to 4 friends.
CasualRelaxingOrganizingPuzzleCollectathon▶ Peak: 18 playersMore like this →Chief? About That File...
Desk Lamp
Step into an atmospheric 1990s police archive. Inspect, classify, and organize 3,360 unique criminal dossiers, crack safes, and uncover crime syndicates in this immersive first-person archival detective simulator.
SimulationOrganizingCasualCollectathonRelaxing▶ Peak: 17 playersMore like this →FailRooms
Leonn Camayo, Andes Interactive
Failrooms is a first-person exploration game that parodies liminal spaces. Delve into photorealistic environments where the terror of the unknown collides with the most incompetent architecture imaginable. Can you survive this dimensional prank without losing your mind?
Dark ComedyFunnyMemesPsychological HorrorHorror▶ Peak: 16 playersMore like this →Nightmere
Cupkisu
Nightmere is a detective-mystery game with psychological horror elements fused into it. Set in 1991, you play as Amelia, a young private investigator who reluctantly takes on a missing persons case in the small, quiet town of Nightmere – and finds something much darker.
Psychological HorrorMysteryDetectiveAnimeStory Rich▶ Peak: 16 playersMore like this →Goodbye Seoul
JINO Games
Six months remain before an asteroid hits Earth. And a new leaf is about to turn. A narrative puzzle adventure unfolds in a bleak yet beautiful Seoul. Will you uncover the truth in time?
Story RichPost-apocalypticEmotionalPixel Graphics2D Platformer▶ Peak: 14 playersMore like this →胡来!文字麻将
探岛工作室
What if mahjong was less about strategy and more about pure nonsense? Draw, steal, and discard character tiles, then force them into the wildest sentence you can. Exes become emperors, bosses elope at midnight, zombies clock in for work. If you can make the nonsense make sense, you can win.
CasualWord GameMahjongStrategySpelling▶ Peak: 14 playersMore like this →Cluttermancer: Tidy Up the Nightmare Alley
Ivy Juice, SethMadDev
A cozy first-person tidying sim set in a bustling alley: 5 magical shops and 6,666 items to sort. Every shop on this street is chaos, every shelf has a rule, and every misplaced wand is your problem now.
Early AccessRelaxingCasualOrganizingHidden Object▶ Peak: 13 playersMore like this →One More Flight
Nyro Interactive
A 2D pixel-art psychological horror game set aboard a doomed flight trapped in a relentless time loop. Nothing carries over between deaths except what you learn. Intervene in passengers' fates, uncover the plane's hidden mysteries, and find a way to prevent the crash.
Psychological HorrorMultiple EndingsChoose Your Own AdventureTime ManagementPuzzle▶ Peak: 13 playersMore like this →The Mystery of Oak Island
Visionaire Studio UG
A gripping point-and-click adventure – inspired by the real treasure hunt on Oak Island in Nova Scotia, Canada. Unravel a web of murder, myth, and forgotten history. Some secrets are better left buried.
Point & ClickMysteryPuzzleInvestigationAtmospheric▶ Peak: 13 playersMore like this →Hillthorn
Fool Moon, Finnegan Motors
A disappearance in a secluded community. A mountain hiding its secrets. A detective running out of time. Welcome to Hillthorn, a dark investigation game that invites you to uncover the mystery without a single word spoken, using your skills of logic and intuition through cards.
InvestigationAdventurePuzzleDetectiveLovecraftian▶ Peak: 11 playersMore like this →Infinity Bounce
Stray Fawn Studio
Turn the galaxy into a chaotic pinball machine in this physics-based incremental game. Rack up millions of points and do your best to keep the all-consuming space cat fed. Use planets, black holes, and manipulate space and time. Can you fill the cat to the brink of a big bang?
IncrementalPinballPhysicsSandboxAutomation▶ Peak: 11 playersMore like this →Silk Collector: Tidy Up the Clothing Store!
Zoady
Silk Collector is a cozy organizing simulator where you shelve 4,012 scattered clothes in a magical fashion house. Shelve the clothes to collect silk, then spend it on spells that speed up the sorting. Keep an eye out for the clothes that wander the store like ghosts.
CasualSimulationSingleplayer3DAtmospheric▶ Peak: 11 playersMore like this →Book Nook
Malapata Studio
Build miniature diorama scenes, piece by piece. Complete beautiful book nooks as you place furniture, decorations, and small details. Relax and enjoy the peaceful satisfaction of every detail falling into place, as you discover more about each moment in time.
CasualPuzzle3DColorfulCute▶ Peak: 10 playersMore like this →Kick The Piñata!
Eduardo Scarpato
Grab your trusty bat and smash piñatas in this colorful incremental game. Buy weapons, unlock upgrades, rebirth, and build your strangely arranged home. Everything is cute, everything is fine, and the piñatas are definitely not alive.
CasualIncrementalColorfulHorrorArcade▶ Peak: 10 playersMore like this →Night Plane
Liquid Static Studio, Snapping Turtle
Night Plane is a job-sim horror game where you work as a flight attendant on a doomed plane. Check tickets, serve passengers, and decide who stays onboard as demons hide among innocent souls. Naturally, management says it’s your problem.
Psychological HorrorHorrorIndieAtmosphericRetro▶ Peak: 10 playersMore like this →Potions Galore
Playmunch
Potions Galore is a cozy sorting game where you organize 2500+ potion bottles in their respective shelves. Read labels, encyclopedia descriptions and signage in order to find the correct placement and tidy up the mess!
RelaxingCollectathonOrganizingPuzzleStory Rich▶ Peak: 10 playersMore like this →Rock and Found
Urbandrei
Your Grandma has willed you a collection of rocks deep in the woods, but when you arrive, you find that the rocks are strewn across the floor. Armed with your Grandma's journal, a determination to clean the collection, and the tools she left behind, you begin sorting through thousands of rocks.
CozyPuzzleStory RichAtmosphericAdventure▶ Peak: 10 playersMore like this →Silicon Architect
BiteMe Games
An incremental hardware engineering game with a Windows XP themed UI. Configure and optimize processor components, build your own CPU, and run automated benchmarks. Harvest telemetry and gather research funding to unlock new hardware, and scale your processing power.
SimulationStrategyIncrementalPoint & Click2D▶ Peak: 10 playersMore like this →Vena
loerting
An automation roguelike where a run fits in one session. Place hexagonal tiles to grow a production organism while the resource demands rise over time. Roll dice in the shop to buy more tiles, and pick perks that change the rules and try to completely break the economy.
AutomationRogueliteHex GridResource ManagementBase Building▶ Peak: 10 playersMore like this →Witchkeeping
Longtail Worlds
Everything was clean at ten. Now the books are on the floor, potion is running down the wall, and there are muddy footprints on the stairs. Hop on your broom and put the witch's tower back in order, one shelf at a time. And keep an eye on that cat. Nothing sorts itself.
RelaxingSimulationOrganizingCollectathonHidden Object▶ Peak: 10 playersMore like this →Memoria Wake
Team Crescendo
Parry with precision and fight through shifting, surreal landscapes in this Souls-like action-adventure. When reality turns into a living nightmare, you must ascend through a shattered realm to rescue a missing friend.
ExplorationSouls-likePuzzleIsometricMetroidvania▶ Peak: 9 playersMore like this →Home Reset: Organizing Simulator
One9X Labs
Transform messy homes into cozy, beautifully organized spaces. Clean up, arrange every room, and place objects wherever you want—there are no wrong choices. Relax, get creative, and make every home feel just right.
RelaxingOrganizingCleaningCuteCollectathon▶ Peak: 8 playersMore like this →Split Brain Samsara
Kusa Games
You and your friend are locked in the same body! In this co-op adventure, learn to control the same character, venture into your spiritual realm, and unravel the machinations of the Samsara megastructure! Communication will be key!
Co-opPuzzleAdventureSci-fiMystery▶ Peak: 8 playersMore like this →Whodunit Sudoku
Passion Fruit Games
This is a logic puzzle blending Sudoku with murder mystery deduction. Place suspects using row-and-column rules on illustrated crime scenes, then read spatial clues and room boundaries to deduce who was left alone with the victim. Pure logic, no guessing.
Board GameDetectiveLogicMinimalistStrategy▶ Peak: 8 playersMore like this →








