Top similar games like Planetoid:

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

Build your own cardboard fort and defend it against swarms of enemies. Gather resources, craft weapons and set traps. Be creative, improvise and experiment to win.

Eden Star is a fast paced Sci-Fi survival game that blends unique physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.

Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

Take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!

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.

Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.

The Caribbean Sea, your sea, has been the home of true freedom for ages. Calico Jack, William Kidd, and many other great pirates had sailed these waters in the past.

Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.

Legends of Ellaria is a unique blend of sandbox action-RPG and real-time strategy. Build a new kingdom for your people, construct and manage its cities, command your troops in epic battles and join them fighting in third-person action, and live adventures in an immersive high fantasy world.

Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Manage a space station, flying through a procedually generated universe, fight, build and survive in the coldness of space.

Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.

Spaceships, lasers, and… chickens! What more could you ask for?Conflicks: Revolutionary Space Battles is a creative new take on space-themed videogames that merges the deep, thoughtful gameplay of strategy games with the intuitive accessibility of physics-based games.

Triton Survival is a galactic RPG survival game with an intense action, focused on surviving, crafting, gathering resources, building base and beat attacks of enemy hordes from the Neptune planetary system.

Box Nation [] is a sandbox kind of game. In this box world, you can become a leader of your own nation. Your main goal in the game is to create and develop your nation of boxes.

In this 2D sci-fi survival based game you must endure the difficulty of surviving on an alien planet, and need to adventure, dig and build your way to freedom.

Geometry Defense: Infinite is a classic infinite tower defense game where you must build a maze to slow enemies and build towers to destroy them. An action-packed and engaging game requiring focus to take on challenges and test your skill.

Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today!

The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!

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!

Ever wanted to beat a T-Rex up with a chancla, while building powerful towers that shoot piñatas, hot sauce and heat-seeking fireworks? Captain ToonHead is the VR tower defense game of your cartooniest dreams.

"It is inevitable that man will one day live among the stars" Inevitability is a game where you can build a space empire! Collect materials to craft parts and build your very own fleet of starships and stations block by block. Manage relations with Ten factions spanning Five alien races.

You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses.

Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.

Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.

The Last Leviathan is a physics-based, ship building and destruction sandbox. On your voyage to uncover where The Last Leviathan lies you will discover a world full of rival ships, mythical monsters, wrecked flotsam, physics-puzzles and hidden treasures.

Change your playground into a battlefield. Square off against an out-of-control 3D Printer with an army of your old-school toys, and stop the Plastic Rebellion!

Hostile Mars is a Factory-Building game focused on Combat! Explore an open world and discover new tech, unlocking powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!