Top similar games like Cube Universe:

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!

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!

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.

Gather your party for a procedurally generated open-world adventure in this Skyrim meets Minecraft multiplayer RPG. Gather resources, craft weapons, embark on epic quests, and erect a city to last for thousands of years. Have caution, though, these lands are cursed and desperate to destroy you.

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.

An open world FPS game in voxel world. Use the items to go back and forth between the islands and aim to escape!

Suit up as an operative of the Ark Corporation, sent to the farthest reaches of the universe in search of habitable planets to terraform. However, after the long space journey you awaken from cryosleep to find that your ship has gone way off course and is disabled near a strange new world.

Stranded in a hostile alien world, you must fight to survive. Hunt, harvest, craft, advance skills, and build using local resources along with technology from your voyage.

You’ve crash-landed on Earth in 2702. Craft, dig, fight through a vast and colorful post-apocalyptic open world full of wonder, generated cities, dungeons, aliens, mechs, and an underworld. Find love. Or beat the ultimate Underlord!

The ultimate block building game.

Design your own weapons, armor, and spells to defeat increasingly difficult enemies in this procedurally generated voxel RPG with your friends. Clear dungeons, gather resources, build bases, tame monsters, catch fish, and grow crops!

You find yourself completely alone on a different yet very familiar looking planet. Explore the planet, craft tools, fight enemies, and build bases! Do science to learn new technologies that will allow interplanetary travel and better tools at your disposal!

Robots invaded the peaceful planet Merx. Go on an adventure to free your world from them. Stellar Overload is a 3D open-world, blocks-based, FPS, adventure game.

See a world from a new perspective in this animal-ear themed constructive action RPG!

Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility.

Build anything. Fight anyone. In space. Highly tactical competitive sci-fi combat/building multiplayer free-to-play game. Bit of MOBA, bit of sandbox. Try it out to see for yourself!

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!

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.

Cube World is a voxel-based action RPG with a focus on exploration. It takes place in a procedurally generated fantasy world made up entirely of cubes.

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.

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…

GRAV is a sand box experience where you explore a multitude of planets, hunt strange alien creatures, build and defend outposts, craft weapons and armor, and attempt to survive against other players in a hostile environment.

In XenoHaven, gather resources to build shelters, enslave alien beasts to work for you, and run restaurants and shops. Delve into dark underground dungeons, defeat swarming insectoids and mighty bosses, and craft powerful gear to conquer the alien world.

This is a voxel style sandbox game that focuses on survival. You can do anything inside and destroy any block. and cooperatively survive and fight with friends in a world. If you like playing Minecraft, this is a game you must not miss.

The world of Elysia needs YOU! Join this cooperative, 3D sandbox action RPG to level up your character, craft epic weapons, conquer enemies in real-time, and build almost anything! Craft your adventure. Forge your hero. Become the ultimate Portal Knight!

PlanetSmith is a sandbox survival RPG set across fully spherical, procedurally generated voxel worlds. Explore alien planets, build anything you can imagine, fight dangerous creatures, and seamlessly launch into space to continue your adventure across a living solar system.

A sci-fi, base-building adventure where you build a 'ship' on an asteroid; explore space, battle slimes, raiders, space rhinos, and more. A story that includes following orders from a mysterious AI, shooting fish with a space grappling hook, invading space stations, fixing the exploded moon, etc.

Have you got what it takes to survive on Mars? ROKH is a multiplayer survival game featuring scientific realism and extremely deep crafting and building. Make the red planet your sandbox and create a thriving colony.

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.

The world is dying. The answer lies beneath. Dig deep into the husk of an ancient god-worm, build your defenses, slay the parasites that feed on its remains, and uncover the truth before it's too late.

Explore procedurally generated living worlds in this 2D sandbox RPG. Meet hundreds of characters in cities, complete quests, craft powerful items, buy and furnish your home or fight monsters in dungeons.

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.

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.

Explore, craft, and fight your way through uncharted islands — solo or with up to 4 players in co-op! Tinkerlands is an exciting survival adventure where you will build your settlement, craft useful tools to survive, and even use magic!

An open-world survival crafting RPG set among floating islands. Gather resources, craft powerful tools, unlock spirit abilities to soar between skybound realms and reclaim your lost godhood.