Sigma World Online - is an online sandbox with a huge world from many star systems. Choose who to be: space explorer, miner, merchant, farmer, culinary specialist, scientist, builder or hunter, or build your empire.
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No game lists Sigma World Online as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Embark on a cozy open-world survival journey inspired by ancient China's heritage. Gather resources, cultivate crops, build your dream home, and defend it from marauders. Team up with friends to explore and uncover a world where adventure meets serenity.
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Welcome to Woodfel! This untamed fantasy land is yours to explore as you go forth in search of adventure. Discover treasures, fight monsters and build amazing things as you and your friends travel the landscape!
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Explore a procedurally generated planet filled with resources to harvest - or discover structures containing potentially rare items. Build your base to protect yourself and fight off evil, collecting materials to build new gear. Build a rocket and explore new planets!
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Build In Space is a relaxing tycoon game where you can grow crops, build your base, and raise animals.
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Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.
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The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
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You are the lone survivor orbiting a potential new home planet, tethered to what’s left of your ship. Gather nearby debris and assemble a make-shift vessel in an attempt to survive the harsh realities of space. Maybe you'll live long enough to uncover the truth behind the ship's malfunction...
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Experience a big adventure on a tiny scale! Enjoy multiplayer survival in a vast, hazardous world. Preparation is key when you're this small & at the bottom of the food chain. Craft weapons & armour, tame & ride creatures, build encampments & explore a strange new land.
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Explore a world of possibility. Build your own personal Eden. Unleash your creative and adventurous spirit! Eden is a game that lets you build your world. The game engine enables crazy sandbox fun. Build, destroy and explore your way through endless worlds. Nostalgic classic fun for all ages.
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Craft, Build and Fight alongside your friends across this deadly open-world. Use both modern day and sci-fi tech as you Loot, Harvest and Trade for resources, gear and vehicles in order to survive the wasteland.
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