Games like Xsyon - Prelude on Steam
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No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Cubic Castles
Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend!
Soulash 2
Soulash 2 is a sandbox RPG roguelike with a procedurally generated open world, simulated history, skill-based progression system, customizable abilities, material-based crafting, building, trading, and the possibility of total mayhem. Will you save your world or destroy it?
Don't Starve Together
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
V Rising
Awaken as a Vampire. Hunt for blood in nearby settlements to regain your strength and evade the scorching sun to survive. Raise your castle and thrive in an ever-changing, open world full of mystery. Gain allies online and conquer the land of the living.
BitCraft Online
Join thousands of players in a true single-world MMORPG. Carve out a cozy nook, master a player-driven economy, or band together to transform the ancient wilderness into thriving cities. From humble beginnings to legend, your choices matter - because in BitCraft, your actions shape our world.
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
Saleblazers
Fight. Sell. Survive. Live off the land, build your perfect shop, and defend against nightly horrors in this open world survival shop simulator for 1-8 players.
TFM: The First Men
An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?
Junkyard Simulator
Did you ever wish to work in a junkyard? Now you can, with Junkyard Simulator. They are many roads leading to success - whichever you take depends on your decisions.
The WILDS
Become iconic animals and fight for survival in the The WILDS. Finding food, water, and shelter will be the easy part, protecting your family from hungry predators and a harsh environment will separate the weak from the strong. Welcome to a uniquely immersive animal experience...
This Land Is My Land
Experience the frontier as a chief of a Native American tribe and resist the onset of the settlers. Explore the vast world full of hostile humans and animals while defining your narrative through the decisions you make.
Interstellar Rift
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Start Over
Embark on an unpredictable survival journey in Start Over. Solo, co-op, online, explore diverse landscapes, craft through 4 tech tiers, encounter wildlife, and trade or raid for resources. Choose your path, defend against waves, and shape your destiny in a dynamic world. Are you ready to Start Over?
Roman Triumph: Survival City Builder
At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!
Wayward
You awake to discover yourself no longer in the company of good men or a fine seafaring vessel. Treasure... you remember something about treasure. Wayward is a challenging turn-based, top-down, wilderness survival roguelike. Explore, build, and most importantly survive in these unforgiving lands.
Deadside
An Open World Survival Shooter blending hardcore PVP and PVE action. Secure precious loot in safe zones or build your own fortress in the wild. With intense gunfights, stunning visuals, and performance smooth enough for any system, the challenge awaits!
Creativerse
A sandbox adventure game as big as your imagination.
UnReal World
The cult classic open-ended wilderness survival roguelike RPG taking place in the ancient North. Throughout the years, UnReal World has been praised for its incredible depth, realism, atmosphere and immersion. Lose yourself in the most intricate, detailed and enchanting iron-age game world.
BEACHED
A free-to-play, low-poly, open-world survival shooter where you’ll battle other players, explore massive monuments, and fight to stay alive. Build and fortify your base to defend against enemy raids, gather resources, and conquer a harsh, competitive world. Survival means doing whatever it takes.