Top similar games like Starbreaker:

SPACE TEK, Command, Construct, Collect!Space Tek is an exciting free to play online starship combat game. Players build their dream ships out of a range of unique blocks, and tailor their ships. Then put the ships to the test alongside or against players and Ai in a multitude of gamemodes!

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!

How long can you survive, and how much money can you make? A land overrun with wildlife and bandits, where you compete against others to survive and gather the resources and money necessary to control the land and build cities. Will you team up with strangers? Or play alone? IDFK - It's your story.

Battle Of Rovers (Early Access) is an action-packed multiplayer arena where customizable rovers clash in intense battles. Select your rover, personalize its visuals, and compete in diverse matchmaking rooms. Future updates include custom arenas, AI agent rovers, and terrain-changing gameplay.

Embrace the final frontier and bend it to your will in Project Voidcraft - a space entrepreneurship sim set in the early days of space colonization. Experience a free-form MMO-grade Solar System sandbox where logistics is king, and everything else is up to you.

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.

Build and automate your own industrial space empire. Mine asteroids, manage logistics, expand production lines with drones and conveyors, explore new sectors through wormholes, and grow your mining operation across the galaxy.

Build your own kingdom in the dark valley where zombies rule and stay safe from zombies. It is up to you to survive in this valley.

You have been commissioned to collect and research space minerals by destroying asteroids near your space shuttle. With your growing inventory of materials and new knowledge you build additional modules on your shuttle continuously expanding it into a self sustaining space station eco system.

A block-based sandbox game where you explore and build freely in infinite procedural worlds. No rules, no restrictions — just you and the world. Shape it however you want.

Strata is a scientifically inspired astro-planetary sandbox where you influence the formation and evolution of entire worlds — your worlds. Discover, gather, and build on the surfaces of diverse planets, explore them in depth, and manage your systems beyond the orbital levels.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

Layerland is a sandbox survival game set in a world that mirrors Earth’s terrain. Travel through gates, capture monsters as pets, and team up to battle, gather, craft, and build.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

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.

A sandbox, space-exploration survival game where you can build bases and explore other planets and moons around the star Craterous.

Outlanders is a sci-fi open-world survival game set on Veridion Prime. Build your base, fight hostile factions, explore alien biomes, craft advanced gear, and survive deadly environmental threats in a living world shaped by your choices.

Shadow Corps is a turn-based tactics game where you command a squad of elite soldiers on a mission to stop an ancient danger. Fight your way across the galaxy, craft and equip your troopers with cutting edge gear and use cunning tactics to defeat your foes. Are you ready to take command?

Tesera is a sci-fi sandbox game in a mysterious alien world. Explore an endless voxel world, defend yourself against aggressive creatures and drones, building your dream settlement alone or with friends.

Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.

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!

A Hybrid-MMO made in a futuristic setting, where you can race or catch big air with your customized gear, and with your friends!

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

This is a strategic, chaotic and casual game where you earn scrap by defeating tanks. In the workshop, you can upgrade your tank, so you can progress further next time!

Fairspace is an amateur developed open-ended space exploration, trading and combat game. A full and rich persistent universe awaits your discovery.

Design & pilot combat drones among the remains of a broken moon battered in an asteroid field. Rikki Kuu is a third-person, physics-based 6DOF-style vehicular combat game set in a destructible, procedurally-generated environment.

The third iteration of the game that invented the Factory genre, FortressCraft :Phoenix takes the over-the-top base building and survival gameplay and cranks it up a hundred times. Build your mining base with hundreds of thousands of machines in it, explore alien landscape, heading deep underground.

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.

SurvivalMission: A survival adventure that fuses real-time tactical stealth, base building, and squad recruitment. Battle rogue AI in a post-apocalyptic wasteland, gather your team, and rebuild civilization from the ashes.

Co-op and Single player Tower Defense genre.

ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!

The core gameplay takes the essence of soccer, while creating some very interesting rules to make it even more exciting! The basic rules of the game are simple, but it's up to the player to figure out a variety of skill combinations and team cooperation strategies.

Create Your Own Universe is a survival, crafting, exploration, base building, third person, open world, go anywhere you see on screen space game.

Set in a minimalistic stylized universe, Minimum features fast-paced combat with an elaborate blueprint crafting system that pits two teams against each other with their own gigantic robotic Titan. Collect materials from fallen foes and build damaging weapons to become deadlier as matches progress.

Control your aerial and ground units using Real-Time-Strategy, OR switch during battle and join your comrades yourself in high-action dogfights and ground battles in Novastride. Dominate enemy civilizations throughout the galaxy and be the great strategist to lead your nation to victory.