Top similar games like Cube Universe:
Cube Universe $19.99
Cube Universe is a first-person voxel RPG. Visit many different, procedurally generated planets. Team up with your friends to fight against fierce enemies in dungeons. Do quests to save the world from the forces of evil - or throw it into chaos.
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StarMade$14.99
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

FortressCraft Evolved!$12.99
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.

Keplerth$14.99
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

Wild Terra 2: New Lands$39.99
MMORPG full of details that create a unique immersion and the spirit of adventure! Play your role in the life-filled medieval world controlled by players.

Len's Island$29.99
Discover, survive, and thrive in Len’s Island, where intense dungeon crawling meets open-world action RPG. Master skill-based combat, craft powerful items, build and defend your homestead, and find solace in farming. Your journey, your destiny.

Total Miner$2.99
Total Miner is an open world voxel sandbox game. It is primarily designed for creative RPG game builders, but also has two action/adventure style game modes where you can just jump in and play.

Re.poly$14.99
Build on what was once and defend it with your life. Survive the wild and defeat the evil, alone or with friends in a wonderful poly world.

Kerbal Space Program 2$49.99
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.

Astral Terra$9.99
Explore, Adventure, Craft, Build, Survive. How will you shape your world? Astral Terra is a Smooth Voxel, Procedurally Generated Open World game with RPG and Survival Elements!

Rising World$14.99
Rising World is a voxel based open-world sandbox game, featuring a procedurally generated world, playable in single and multi-player.

Craftopia$24.99
Craftopia is the brand new multiplayer survival action game made in Japan. We combined many features we find enjoyable, such as hunting, farming, hack-and-slash, building, automation to develop this game.

Stonehearth$19.99
Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.

The Survivalists$24.99
A living world full of surprises, secrets and danger awaits in The Survivalists, an adventure-filled survival sandbox set in The Escapists universe. Explore, build, craft and even train monkeys with up to three friends in a desperate bid to survive. Have you got what it takes to be a Survivalist?

Planet ExplorersFREE
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.

Feel The Snow$12.99
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.

The Capture WorldsFREE
In "The Capture Worlds" you will travel to other worlds to fight monsters which you've never seen before. Capture them, train them and fight back! Become the new ruler of the monsters! Start your new journey now!

Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...

Evospace$14.99
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.

Hold Your Own$14.99
A single player open world sandbox, crafting and survival FPS game set in a multi-island land where you'll fight to survive. Build your base, hunt and craft to defend yourself from aggressive wildlife, enemies or friends. Do you have what it takes to Hold Your Own?

Death Nomad$9.99
Death nomad is a survival game with procedurally generated environments. The environment will force you to improve your equipment, defense and constantly move around the world, prolonging your chances of survive.

Star Valor$24.99
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

Medieval Engineers$9.99
Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build castles; construct mechanical devices and underground mining. There is an entire planet to explore!

Layer HuntFREE
Layer Hunt is a singleplayer, survival sandbox game where the goal is to survive and hunt down all the bosses. To reach your goal you will have to mine, craft, build, farm, fight and explore for new abilities and resources.

Shadows of Kurgansk$5.99
“Shadows of Kurgansk” is an adventure game, where you need to survive in an area full of danger and mystery. Your goal is to stay alive and find the way out, fighting monsters and completing story driven missions. Fight zombies, build asylums, find your way back home!

Knightlife$11.99
Four villages in a war. You are the only hope for a peaceful life. Play as a knight in this cute open world RPG and loot through many different weapons, magical spells and bows. Become the strongest knight and end this war.

Tile Miner$14.99
Explore a vast world. Manipulate every tile. Build your kingdom. Conquer the elemental dungeons. The moldable world of Tile Miner is at your fingertips!

Kingdom Traveler$7.99
A survival exploration game where you can explore islands, challenge various monsters and defeat powerful Bosses. Craft various weapons and items, place items, grow vegetables and fruits, and trade with merchants. Set sail in the harbor, encounter pirates, monsters and random events in the sea.

Outpost Zero$19.99
Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe. On a lawless alien world, robotic scouts are tasked with building an Outpost for human colonists. Command AI minions, colonize the planet, and survive the perils of Gaiya.

3079 -- Block Action RPG$4.99
3079 is a futuristic, open-world action first-person role playing game. All areas, buildings, items, quests and characters are randomly generated. You will find unique lands & challenges. I hope you enjoy it!

Deep Despair$11.99
Deep Despair is a Minecraft-style survival sandbox. Travel, collect resources, craft items, dig, build, grow crops and survive. Freedom of action is limited only by your imagination!

Block Story™$4.99
There isn’t much better than a wide open game world in which you have essentially no limits and can alter the very landscape in which you play – that is, unless you add dragons, of course…

Drox Operative 2$19.99
Drox Operative 2 is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Linux.

Escape The Pacific$14.99
Raw, real survival in the Pacific. Build a modular floating base. Master realistic sailing mechanics. Face challenging Pacific-like weather & seasons. Hunt, craft, build & navigate using Sun Dial, Sextant & Triangulation. Explore an endless island cluster-based world. Simulate real life scenarios!

New Horizon$5.99
New Horizon is a survival with RPG game. Explore a vast world in search of resources, build, upgrade your equipment and fight monsters to survive.

Legendary Realms: A Fantasy World Odyssey$1.99
Legendary Realms: A Fantasy World Odyssey is a multiplayer sandbox adventure game. Create your own character, select classes, and take on quests to earn rewards and level up. With a range of equipment and multiplayer options, it's an immersive experience that will keep you engaged for hours.

Space - The Return Of The Pixxelfrazzer$2.99
Space - The Return Of The Pixxelfrazzer is an open-world sci-fi hack'n'slash. Your aim is to explore the inexhaustible amounts of destructible asteroid fields, spacestations and unknown planets of the universe. And maybe, one day you'll probably find out about one of the most unsolved mystery of our universe... the pixxelfrazzer.

Embark$24.99
Inspired by the deep simulation of Dwarf Fortress, the open world survival of Minecraft, and the social interactions of The Sims. Embark is a colony management game with a focus on complex simulation in a huge living 3D world.

Broken World$1.99
"Broken World" is an exciting post-apocalyptic low-poly game where players have to survive in a world overrun by zombies and chaos. Build and strengthen your shelters, fight various threats and explore a dangerous world full of secrets and dangers.

Blade of Arena - 劍鬥界域$11.99
Blade of Arena is an open-world survival game Currently, At the early access version, we have a few game modes for players. 1. 1v1 duel 2. Dungeon Design

Iron Age$11.99
Iron Age is a First-person dungeon crawler set in a Sci-Fi Fantasy world with Realtime melee combat.

AngeldustFREE
ADVENTURE. ANYWHERE! Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.

That's My Space$4.99
The universe is yours to conquer in That's My Space. Gather resources, craft powerful weapons, upgrade your spaceship and battle against enemy nations to become the ultimate space explorer.

Exotic Matter$19.99
A blend of Metroidvania adventure and procedural survival game, in Exotic Matter you will explore, craft, fight, solve puzzles and survive. As the sole survivor of a last-ditch expedition to an alien planet, your duty is to find a powerful alien material that could save Earth from destruction.

Wasted World$19.99
The apocalypse has come, brought by pollution, wars and disease! Your mission is to save your land... or what’s left of it. Alone or with your friends gather, recycle, craft, build, plant, explore, fight & help survivors.

Salt$14.99
Salt is an open world exploration game where you sail from island to island looking for loot and new discoveries! Relax and explore at your own pace, picking a direction and setting sail across a vast ocean filled with quests, merchants, ruins, pirates, and other mysterious places.

Fisherman Classic$0.99
Welcome to Fishy Archipelago! Go fishing, catalog your most rare fishes and sea creatures, buy and find skins, hats, boats and properties. Build your fishy empire. The retro world is yours!

Cube Life: Island Survival$9.99
Cube Life: Island Survival is an open-world, block building, survival game, taking place on a beautiful remote island. Imagine being shipwrecked and stranded left for dead, with only your will to survive. You must explore, build, craft, and fight your way to stay alive.

Far Horizon$29.99
Far Horizon is an action-adventure RPG set in the far reaches of space where floating islands, beautiful vistas, and alien creatures await. Embark on an epic adventure of exploration, ingenuity, and survival as you loot, shoot, and craft to forge your destiny among the stars.

CrossWorlds: Escape$11.99
CrossWorlds: Escape is a hardcore game in which you will have to deploy all your skills to survive in a huge open world that is susceptible to changes in weather, seasons and various natural phenomena.

No Time$10.99
Go on a trip through time! Experience the freedom of traveling into any date, hour and minute in time between the years 1 and 2077! Help your best friend Edward in his scientific affairs! Watch out for the Time Agents & avoid yourself!

Next Day: Survival$9.99
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.