Top similar games like Astro Protocol:

Empis is a turn-based strategy game that focuses on short and sweet multiplayer matches. Choose from individual factions each with their own unique units and upgrades, unlock technology, and build sprawling cities with buildings and fortifications.

Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.

Timeline is a turn-based strategy game where you can play through the human history from stone age to modern times. In the game you command wide range of units, make them collect resources and build buildings, towns and cities, explore the map and meet other players controlled by AI.

Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.

SHAFTED is a QUICK resource management game. Build your mini mining colony. Optimize your mineral outputs. Strategically position your buildings with turn based tactics. Pay off your contracts or else you'll get SHAFTED.

Explore the wormhole network, defeat the hostiles, mine and craft to rebuild your space station. customize your ship to your playstyle

Souls of White Star is a sci-fi turn-based card wargame Roguelike strategy game. The different design of [double-sided technology moving cards] and [bandwidth draw cost] will test your judgment and decision more!

Antisuns is a tactical RPG set in the far future. Command your crew in turn-based combat across multiple spaceships. See enemy moves ahead of time, and come up with the perfect response. Push your luck for greater rewards. If you fail, go back in time, for another randomly-generated run.

Alliance of the Sacred Suns is a sci-fi grand-strategy RPG that begins with your coronation as the head of an interstellar Empire, and ends with your demise. Manage feuding noble houses and the schemes of would-be usurpers as you try to revive the glory of an Empire on the brink of collapse.

In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?

A space exploration adventure in the purest tradition of roguelike. Featuring procedurally generated solar systems, perma-death and tactical turned-based gameplay!

Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.

Last Days of Old Earth is a rich strategy game set in our far, far future where the sun is dying. Can you command the last noble tribes of humanity as they attempt to survive among the machines and marauding clans?

Turn-based strategy in a space Sci-Fi setting. Capture star systems, fight in tactical battles on hexagonal maps, upgrade your mother ship, discover new technologies and conquer the entire galaxy!

This is a 4x turn-base strategy game. You can develop your planet, expand your territory by colonizing and building space stations, research technology to unlock more ships, and ultimately discover and eliminate your enemies.

Space Empires I is the first chapter of the Space Empires series. A classic galactic conquest and turn-based strategy video game where you are the leader of a race of intelligent beings building large spaceships for interplanetary and interstellar travel through warp points between star systems.

Wage war on your friends and enemies in this simple and engaging strategy game. Easy to learn and quick to play, Mayhem Intergalactic is surprisingly strategic. Play against the computer, or duke it out with friends over the internet. The universe shall be yours!

Control a squad of fighters in turn-based battles. The game pays great attention to the details of equipment - weapons, backpacks, a lot of grenades and other devices. More resources taken out of the mission - more improvements at the base. There are no useless items, there is a small backpack.

The third game within the Space Empires series brings the dawn of a new age of exploration. Your race keeps running through the fabric of space and moves to other solar systems beyond your own.

Explore the galaxy, discover and colonize new planets to acquire enough resources. Design your ships, choosing from different hulls, weapons, shields, and several devices. Once you advance with technologies, new systems will be available, and you will have to update your designs.

Stellar Raiders is a turn-based tactics roguelike where you lead a crew of space pirates, raid enemy ships, and grab as much loot as you can before making your escape.

Beyond is a sci-fi turn-based strategy game set in a generated solar system that orbits a distant star every round. Play as one of five alien species as you race to collect resources, build your military, develop new tech, expand the area you control, and drive opposing factions from the system.

Laser Skirmish is a puzzle game based around planning different ship compositions to beat the enemy.

Probability Race is a futuristic racing game. You must use logic, math, probability and luck to win the championship. Play a great variety of minigames and compete in turn based races every day. Unlock abilities and race your way to victory in this platform/stragegy/turnbased game.

Nyassembled! is a simultaneous turn-based tactical RPG with a plan-action system. Build your modular mechs, command electronic cats, and explore a procedurally generated world.

Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.

Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!

An economic war over territories and resources is raging on the planet. Will you destroy the planet and all life on it in the chaos of pollution... or prevent the end of the world by developing new technologies? Play with friends using "Steam Remote" or play against smart AI!

Turn-based spaceship battles in a tense fight for survival

Trade, Build, Spy, Negotiate, and Battle for total control of the galaxy's riches. Become the backbone of galactic commerce in a grand strategy universe ripe with opportunity for exploitation and conquest.

Unbox Tactics is a rogue-like, turn-based tactical game where you command a team of characters, each unboxed with unique skills and abilities. Strategically plan your moves and assemble the ultimate party as you take on intense, tactical battles.

Cosmic Invasion is a combination of strategy mixed in with quick frantic battles against fleets that contain many ships. The strategic layer is a 20 X 30 grid with 600 sectors. Move your ships around to protect your home planet and space stations from the invading fleets of UFO ships.

From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Void Eclipse is turn-based strategy in an immersive sci-fi world, blending card battle tactics with 4X grand strategy. Explore the stars, Evolve your army and Fight an alien threat. Help characters or harm them - will you be Feared, Admired, or Respected?