Games like Omega Crafter on Steam
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Nightingale
Nightingale is an open world survival crafting game, where you’ll adventure across the mysterious and dangerous Fae Realms. As a daring Realmwalker, you’ll defeat monstrous enemies, survive hostile environments, and build elaborate estates in a visually stunning Gaslamp Fantasy world.
Planet Explorers
Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.
TerraTech Worlds
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
ARK: Survival Evolved
Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!
Dig or Die
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
Satisfactory
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
Sunkenland
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?
Rem Survival
Tackle starvation, dehydration, thermal conditions, radiation poisoning, and toxic gas inhalation while trying to keep your sanity intact. Shack up, cook some chicken, and make friends or enemies as you discover, explore, learn, build, and develop your skills needed for a true survival experience.
Project Castaway
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
Voidtrain
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Feel The Snow
Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc.
Enshrouded
You are Flameborn, last ember of hope of a dying race. Awaken, survive the terror of a corrupting fog, and reclaim the lost beauty of your kingdom. Venture into a vast world, vanquish punishing bosses, build grand halls and forge your path in this co-op survival action RPG for up to 16 players.
Necesse
Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!
Smalland: Survive the Wilds
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.
Solace Crafting
Embark on an adventure set in a fantasy survival RPG. Visit a borderless, open world where you manage resources to construct your base and new types of equipment to support your conquest.
Stranded Deep
Take the role of a plane crash survivor stranded somewhere in the Pacific Ocean. Come face to face with some of the most life threatening scenarios that will result in a different experience each time you play. Scavenge. Discover. Survive.
Welcome to ParadiZe
Paradise isn't exactly what you hoped for: it's infested with zombies! Thankfully, you can control them. Capture them and teach them to farm or fight. They will help you defend our camp while you explore the world looking for… a new paradise.
Raft
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
Force of Nature
Force of Nature is a Sandbox game that combines Action, Adventure, RPG, Strategy and Management genres
Subsistence
Subsistence is a sandbox, first person, solo or co-op, PvE open-world survival game. Struggle through changing seasons to build a base, develop technology and gear-up in the hostile environment. Defend yourself from wildlife, the elements and AI hunters (who also build bases in the world).
The Lord of the Rings: Return to Moria™
The only survival crafting game set in the Fourth Age of Middle-earth™. Embark on an epic journey to reclaim the Dwarven homeland of Moria, and explore, craft, and build in procedurally generated worlds. Play as a solo adventurer, or join friends in co-op gameplay for up to 8 players.
Road to Eden
Road to Eden is a third-person multiplayer survival coop game, set within the post-apocalyptic ruins of a world destroyed by an alien invasion. You wake up at the side of the road with no memory and must team up with other survivors to make the long and dangerous journey to Eden.
Volcanoids
A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.
Junk Jack
Make the world truly yours in Junk Jack, a relaxing sandbox experience focused on building and improving your home. Discover new planets, tame and breed creatures, cook foods, collect animal companions, farm exotic plants, collect fish, grow flowers, play with your friends!
Space Engineers
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.
Conan Exiles
An online multiplayer survival game, now with sorcery, set in the lands of Conan the Barbarian. Survive in a vast open world sandbox, build your home into a kingdom, and dominate your enemies in single or multiplayer.
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!
Life is Feudal: Your Own
Hardcore and realistic; LiF is a Medieval multiplayer sandbox RPG, with free terraforming, a rich crafting system and preset and modular building construction. With engaging survival aspects, no target physics-based combat and a unique formation system - along with numerous other features - LiF is not for the faint of heart!
Next Day: Survival
Next Day is a multi-player SURVIVAL game with elements of RPG, in an imaginary country in Eastern Europe. Carry out an array of tasks, learn skills, and develop your character. Have shootouts with opponents and earn a reputation.
ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Project Zomboid
Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..
Mists of Noyah
Hunt during the day, be hunted during the NIGHT! Mists of Noyah is a co-op survival game with many RPG elements. Fight factions that evolve over the days and bizarre monsters that will terrify you at night! Strengthen your base by rescuing survivors from around the world.
Frozen Flame
A challenging exploration and survival adventure, set in the dying world of Dragons. Only those who harness the power of Frozen Flame have the means to survive the harsh conditions of the realm and able to muster the strength to cleanse it for good.
The Wild Eight
The Wild Eight is an intense survival action-adventure set in the frozen wilderness of Alaska. Team up with friends in online co-op or go solo, explore the mysterious land, craft weapons and fight to live another day.
Citadel: Forged with Fire
This massive online sandbox RPG features elements of magic, spellcasting, building, exploring and crafting. As a newly minted apprentice of the magic arts, you will set off to the dangerous world of Ignus. Tame mighty beasts, forge alliances, explore uncharted territories or fight for dominance!
Wurm Unlimited
Wurm Unlimited is the standalone version of the fantasy sandbox world Wurm Online, the MMORPG where the players are in charge! A pioneer in the ideas of player influence, crafting and adventure, it is now one of the most deep and feature packed true sandbox experiences available.