A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode. Then wire circuits, test wings in a wind tunnel, or split light through lenses — alone or with friends online.
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No game lists Powdertron as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Pyroworks is a free-to-play online multiplayer game containing fireworks from real-life companies from all over the globe. You can choose to make your own show, cause destruction and chaos or simulate new years. Don't miss out on playing with your friends - the most fun part.
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Epic Transport is a casual game where you build paths and spawn vehicles that make you money. You select 1 of 4 Heroes that give boosts to different vehicles.
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Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
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A multiplayer 2D physics sandbox game where you can build and share creations. Features include electricity, temperature, and destructible ragdolls.
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Storm Chasing Simulator
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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!
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Dummy Guyz is a multiplayer physics sandbox with no predefined rules. Get creative by building or breaking things your way. The game is bare-bones with no theme and minimal graphics, focusing solely on physics interactions!
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Turn a wild pixel-art world into a living factory. Gather by hand, automate five industrial tiers, explore for powerful optional upgrades, and master belts, pipes, power grids, rovers, trains and nuclear energy—solo or in online co-op for up to 8 players.
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Manage a team of industrious workers to create buildings in different architectural styles. Explore various designs, craft elaborate building elements and CREATE! You can also play with friends in co-op mode!
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Embark on scientific expeditions with this new off-road adventure game. Lead research missions as you drive a variety of all-terrain vehicles, using high-tech tools and managing your camp and crew to ensure your success in the wild.
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