Demo Week, without the AI
293 AI demos hidden, 267 left.
Every new Steam demo from the last seven days, 25 Oct to 31 Oct.
560 demos came out this week. 293 are hidden because their developers declared AI.
Some developers don't declare AI, so a few may slip through. New demos are added every three hours. Player counts are checked every few hours.
81 demos without AI, tagged Simulation, most played first.
Thalassomania
OffTheHookGames
A PS1-style co-op horror game for 1–4 players. Set at sea, you run a fishing trawler with your crew — haul, gut, steer, repair — while something lurks in the shadows. Keep the ship alive. Get home. You're not alone out there.
HorrorOnline Co-OpFishingSurvival HorrorFirst-Person▶ Peak: 199 playersMore like this →Dinolords
Northplay
Dinolords combines real-time strategy, city-building and action RPG combat in the genre hybrid Hack’n’Strat. Build your stronghold, command human and dinosaur armies and fight as the lord shaping a new age of warfare.
Early AccessRTSHack and SlashDinosaursBase Building▶ Peak: 110 playersMore like this →Test Fire: Armor Penetration Sim
Fishbed Studio
Real engineering simulation with any projectile, any target, any material. Test Fire is an armor penetration sandbox with a campaign of engineering challenges and an open sandbox editor for making (and breaking!) whatever you want.
SandboxPhysicsBuildingMilitarySimulation▶ Peak: 73 playersMore like this →Water TD
Managagrau
Water TD is a tower defense game where the enemy is a real flood. Hundreds of thousands of drops pour downhill toward your base, piling up, finding gaps and carving the terrain as they go. Shoot it, burn it, zap it, or blow it back. Just don't expect the ground to hold.
StrategySimulationTower DefensePhysicsPixel Graphics▶ Peak: 63 playersMore like this →Spaceflight Simulator 2
Team Curiosity ✦
Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.
SimulationSpace SimSandboxExploration3D▶ Peak: 33 playersMore like this →海特兰世界
Destined game Studio
Haitland World is an idle single-player MMORPG. You are the only human on the server; every other player is AI: they trade, steal your mobs, form guilds and seek revenge. Hardcore progression, auto-battle, offline rewards. No internet, never shuts down. In-game "top-ups" are for show, no real money.
LootHack and SlashIdlerAction RPGIsometric▶ Peak: 22 playersMore like this →我家猫猫是女仆!
土豆花制作组
A short, slice-of-life romance visual novel. As an anime merch shop clerk, you meet a cat-eared maid "cosplayer" while running an errand for your manager. Her request? Adopt her! Wait—she’s a real catgirl?! Your cozy life with an adorable catgirl begins!
2D PlatformerRPGInteractive FictionWord GameVisual Novel▶ Peak: 18 playersMore like this →Diamond District: Jewelry Shop Simulator
Black Sea Studios
Buy gold, catch the fakes and flip the real pieces in your own jewelry shop in New York’s Diamond District. Start with $1,000 and one dusty room, stock your cases, haggle at the counter, craft custom pieces and film celebrities for views. Solo or online co-op for 1 to 4.
SimulationShop KeeperOnline Co-OpManagementCo-op▶ Peak: 16 playersMore like this →Wait, They Can Climb?!
babia
In this incremental Tower Defense you are alone on top of a building, surrounded by thousands of zombies. Place the turrets, grab the rifle and survive 10 days waiting for rescue. But be careful: they can climb!
StrategySimulationTower DefenseIncrementalManagement▶ Peak: 16 playersMore like this →CultGame
Bucephalus Studios
Create your own cult, perform forbidden rituals, and crusade against the filthy non-believers. It's time to play god. CultGame is a retro cult simulator RPG where you start your own cult in a procedurally generated dark fantasy world with haunting ASCII art.
RPGStrategyText-BasedSimulationOld School▶ Peak: 13 playersMore like this →Highway Station Simulator
SONTEM EUROPE
Run a highway gas station with up to four friends. Pump the fuel by hand, stock the shelves, punch card payments into the register and try to keep the place from catching fire. A first-person co-op management sim about one very long shift.
Job SimulatorOrganizingManagementShop KeeperInventory Management▶ Peak: 12 playersMore like this →Adopt Me Please
Joyever Studio
Welcome to the Softlight Shelter . The animals are cute. The coffee is warm. Your job: vet the strays and find them a home. But keep your eyes open. Mimics are hiding in perfect pet disguises with innocent eyes, waiting to get inside. Are you sheltering a pet... or a Mimic?
Psychological HorrorHorrorSimulationChoices MatterIndie▶ Peak: 12 playersMore like this →Punch Your Way Out
Black Sea Studios
You wake up in a tiny room. Every wall, floor and ceiling is solid cubes. Punch your way out. Smash blocks, vacuum the rubble, sell it for upgrades, find tools buried in the rock and grow some serious arms. Solo or with up to 3 friends, the daylight is out there somewhere.
IncrementalOnline Co-OpCasualDestructionSimulation▶ Peak: 10 playersMore like this →High School Blood
LuminDrive
Confront your darkest guilt and uncover the terrifying secrets of "St. Alengar School." Navigate bizarre rules, mysterious medicine, and form bonds with 5 unique club presidents. Will your choices lead to a horrific demise, or true love? Your destiny is in your hands.
SimulationInteractive FictionChoose Your Own AdventureFMVSurvival▶ Peak: 10 playersMore like this →Ore Express
Vj Tenacious
Build chaotic, physics-powered factories. Chop trees and mine ore, then catch the avalanche with belts, ramps, fans, pistons and cranes, smelt and craft it into goods, and fill the trucks. Every item is a real physical object, so every contraption is gloriously unpredictable.
StrategyCasualSimulationSandboxIncremental▶ Peak: 9 playersMore like this →Backrooms Anomaly Project
Mahatsu
An anomaly-spotting horror game set in the Backrooms. Explore eerie corridors, study every detail, and spot anything that shouldn't be there. Move forward when everything is normal, or turn back when something is wrong. Avoid the darkness and run when something starts chasing you.
ExplorationPuzzleHorrorImmersive SimCasual▶ Peak: 9 playersMore like this →Breadwinner
Mithika Games
You are the eldest child and the only one with a job. Over six paydays to Christmas, split one salary between rent, the electric bill, Nanay's medicine, and what your family asks of you, then come home to see what it cost them. A Filipino horror game about things that happen to real families.
Psychological HorrorStory RichChoices MatterMultiple EndingsLife Sim▶ Peak: 7 playersMore like this →SCROLLS: Tidy up the Library of Olympus!
J+G
Restore order to a divine library by sorting 3,048 scattered scrolls, reuniting ancient collections, and unlocking powers worthy of Olympus. Read the markings, gather the volumes, and give the wisdom of the gods its rightful place in solo or co-op!
CasualSimulationOrganizingCollectathonIndie▶ Peak: 6 playersMore like this →Oreloop
phdev
Break blocks in a first-person mine for 15 seconds. When the time runs out, spend your ore on a huge skill tree and new pickaxes. Wake up to a fresh, bigger mine. Grow from one slow block at a time to lightning, black holes and drills that break hundreds of blocks.
CasualSimulationIncrementalIdlerMinimalist▶ Peak: 6 playersMore like this →ESTELLA - The Sin of Time -
ESTELLA Productions
Switch between multiple protagonists in this suspense visual novel and follow the event of the three days leading up to Halloween. Piece together clues from each perspective to uncover the truth, as your choices reshape the fates of the others.
Visual NovelMysteryStory RichFemale ProtagonistAnime▶ Peak: 6 playersMore like this →Padel Simulator
Strikeform Interactive
Step onto the court in Padel Simulator, a third-person sports game focused on responsive movement, precise racket control, smart AI, and dynamic ball physics. Team up with an AI partner, use the walls, and fight for every point in authentic 2v2 padel matches.
SportsSimulationTennisRealisticPhysics▶ Peak: 6 playersMore like this →HALFTIME Manager
Lazybraindev
A football manager where your decisions count, not luck: tactics, transfers, stadium, fans, Merch Lab. Every matchday plays out as a 3D broadcast. Six game worlds, up to 3,054 clubs, 29 languages, native on Windows and Linux.
SimulationSportsFootball (Soccer)ManagementEconomy▶ Peak: 5 playersMore like this →
Some developers don't declare AI, so a few may slip through.