Top similar games like Gratuitous Space Battles:

Star Armada is a spaceship auto-battler where you assemble and command a fleet of capital ships and fighter squadrons. Unlock powerful new ships and outfit them with a range of turrets, energy shields, and starfighter hangars. Engage in automated battles, carefully timing unique abilities to win.

A multiplayer, tactical, real-time strategy with spaceships

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

Build ships, break fleets. No distractions. Design ships without constraint upon your workbench, built out of destructible blocks of all shapes and sizes: hull, weapons, engines. Compose Fleets of your self-architected battle craft and obliterate the armadas of the dictator! THE OPPRESSOR MUST FALL.

The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.

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.

Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!

Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

Build your ship, manage your crew and explore the cosmos whilst trying your best to keep your crew alive and your ship fully functioning. This game utilises an events driven AI and simulated ship systems to ensure gameplay is kept challenging and every game you play has a different story to tell.

Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!

At the dawn of the 22nd century, the conquest of space and the colonization of the solar system is being monopolized by several huge and ambitious mega-corporations. Although extremely delicate and vulnerable, a balance is maintained by these companies.

Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.

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.

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

Inspired by modern science fiction! A modern real-time war game, the screen is in the style of realism, the fast-paced attack effect is easy to fatigue, easy to use and simple to operate, mainly in the traditional style

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.

The Last Starship is a space-based construction, industry & factory game, currently in Alpha (expect regular free updates). Design star ships and take on a variety of missions from mining and passenger rescue to combat whilst working on the greatest engineering project ever attempted by humankind!

Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.

In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.

Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

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

Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.

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.

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.

A tower defense game with RTS elements about gathering cheese in space, where mobile carriers are able to deploy smaller spacecraft. Collect cheese to buy and upgrade spaceships and use each type to customize your playstyle and defend your base!

The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!

Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Deep Space Outpost is a space station building & survival game, involving resource and base management. Build your space station tile by tile, mine asteroids, refine materials and keep your station operational.

Save humanity from the brink of extinction in this sci-fi strategy game of survival. Travel among the stars to seek out resources, establish and develop colonies to sustain civilization, and grow your military might to push back against an overwhelming threat.

Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.