68 Physics Mayhem · Simulation · Singleplayer games your group can play together online, including Barfender: CO-OP Bar Simulator, Goat Simulator 3, and A Webbing Journey.
All games: 24
Barfender is a chaotic 1–4 player co-op bar sim where you pour drinks, clean disasters, stop fights, and try to keep the bar alive while everything falls apart. Build the place, serve the crowd, survive the night.
Pilgor's baaack! Gather your herd and venture forth into Goat Simulator 3; an all-new (at least on Steam), totally realistic, sandbox farmyard experience. Invite up to three friends in local or online co-op, create carnage as a team, or compete in mini-games and then not be friends anymore.
Adorable spider chaos! Swing around the house, weave crazy structures, play with physics-based objects, and pull off chores with nothing but your webs and your wits in this madcap sandbox adventure. Play solo or cause chaos together in 1-4 player local co-op!
Do whatever you want in a physics sandbox full of chaotic destruction, endless player-made creations and unpredictable adventures. Build, destroy, roleplay and mess around solo or with friends!
Seat customers, serve drinks, and manage chaos with up to 4 players! Keep the peace by considering customer types while seating them. Survive disasters, handle quirky customers, and design the perfect venue to keep the party going!
One-armed cook is a chaotic co-op cooking game for up to 4 people. Work as a team or cook on your own, set your own pace, and don't let the stress of a full restaurant catch up to you. The goofy physics-based aspect of the game gives this cooking game a new twist.
Just Die Already is an old people mayhem sandbox game created by the designers of Goat Simulator. You are old and angry and you've just been kicked out of your retirement home. How will you survive in a world that wants you to Just Die Already?
Brickadia is a next-generation brick building sandbox that gives you the tools to create and play, your way. Build massive worlds, invent cool contraptions, and play in them however you like - all with your friends!
Moving Out is back and wackier than ever, and now with ONLINE PLAY! Return to Packmore and use your moving skills across brand new dimensions and some old favourites. Help rebuild Smooth Moves and become an all-star F.A.R.T. (Furniture Arrangement & Relocation Technician)!
Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
Gang Beasts is a silly multiplayer party game with surly gelatinous characters, brutal slapstick fight sequences, and absurd hazardous environments, set in the mean streets of Beef City.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.
Human Fall Flat is a hilarious, light-hearted platformer set in floating dreamscapes that can be played solo or with up to 8 players online. Free new levels keep its vibrant community rewarded.
FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.
Moving Out is a ridiculous physics-based moving simulator that brings new meaning to "couch co-op"! Are you ready for an exciting career in furniture? As a newly certified Furniture Arrangement & Relocation Technician, you’ll take on moving jobs all across the busy town of Packmore.
Build and run your own waterpark solo or with friends. Design slides, send guests flying with ragdoll physics, manage staff, and fully customize your park. Turn total madness into a diamond five-star empire in this first-person management simulator!
Goofy Ragdolls and Physics Simulated duels that will challenge your tactics. Customise & Upgrade your Gladiator, dismember opponents in the arena and climb the Leaderboard. All for free!
Tools Up! Ultimate Edition is a chaos-filled, local couch-coop extravaganza, all about renovating homes and the outdoors. It comes with all updates, content, and DLC in one package, supporting up to 4 players.
A silly physics-based golf parody where every golf course is a new surprising type of golf, some brilliant or hilarious, others so absurd you will ask yourself: WHAT THE GOLF?
A 1-4 player physics based fishing simulator. While drinking and boating you suddenly crash into a small island. To work your way back home you have to learn How to Fish.
Goat Simulator is the latest in high-tech Goat Simulation technology.
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Garry's Mod has no built-in co-op campaign, but its online Sandbox gives you and your friends physics tools, props, and a huge community workshop to turn an empty map into your own project.