54 Indie · Building · Physics games your group can play together online, including Waterpark Simulator, Scrap Mechanic, and GRAIN ROT.
All games: 24
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!
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!
A horror co-op extraction builder set in a scorched wasteland where everything burns. Descend with your friends into shifting ruins, rip out furniture, and scavenge for loot before the Corrupted close in. Make it back alive, then rebuild the Outpost to better your chances for the next run.
Race against your friends and alter the track by placing obstacles after each lap. Change the rules mid-game with roguelike modifiers. Shove your opponents off the track, drift, boost and jump. Up to 4 players online and local split-screen.
Build the ultimate waterpark paradise in this classic tycoon simulation game! Design & customize water slides, pools, and saunas to fulfill your guests' needs. Combine creativity, strategy, and management to make a splash in the world of water parks and become the ultimate Aquapark Tycoon!
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Lay of the Land is a sandbox adventure game set in a fantasy world where everything is physically simulated. Use the environment to your advantage and Explore, Fight, Loot and Build your way through mysterious lands.
A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!
Dig, build rails, and survive underground as a Goblin miner for WHAAG MINING INC. Light your path or the darkness will drain your life. Explore fully destructible biomes, fight hostile creatures, and hunt the legendary Giant Crystal, solo or online co-op
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!
Build your dream railroad across a huge open world! You can build tracks and stations, drive detailed locomotives, and transport goods to earn money and experience. Play exciting Online Multiplayer sessions with your friends or create your very own sandbox!
Team up as two quirky construction workers in this fun 2-player co-op platformer! Carry a fragile glass window through colorful levels filled with challenges. Communicate and coordinate to dodge obstacles and solve puzzles. Can you finish the job without breaking the glass?
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Strayed is a fast paced open world VR survival game where every session feels like a new adventure. Start with nothing on a fresh island, gather materials, craft weapons, build bases, and battle other players for the best loot.
"Falling sand" style particle sandbox, now with circuits and stickmen!
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Car racing game with soft-body damage, race track builder, track database and multiplayer
Welcome to Zeepkist! You race soapboxes down hills!
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
Winter Resort Simulator 2 is the extensive simulation of a ski area with all its exciting technical facilities and vehicles.
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!