Top similar games like Astro Protocol:

Conquer the galaxy in this arcade-like strategy game. Pick and send your generals to deploy the fleet in the far-off star sectors, mine resources, and upgrade your ships forgeries. Deities might interfere with your plans.

Ultakia is a turn-based space 4X strategy game with distinctive resource management. Explore exotic systems and acquire powerful technologies. Exploit your planets, trade with other races and destroy those who stand in your way.

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.

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.

A turn-based strategy game based off the Napoleonic Wars! Lead, attack, buy, and communicate. Learn how to play difficult 4x grand strategy games by starting with simple strategy. *Disclaimer, this game is made by a teenager for a school project*

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.

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.

Set in a world seized by machines, Mordfield Command is a turn-based hex wargame. Reclaim territory under mounting pressure and expand your control of the battlefield. Move too slowly, and the Algorithm’s growing forces will overrun you.

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.

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!

A hex based strategy game set in the time of the Roman Republic. Fight through numerous historical wars and campaigns to experience the rise of one of the worlds greatest empires.

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.

The further you go, the more the universe turns against you. Voyage Router is a navigation-driven roguelike where you chart your path across a procedurally generated overworld. Study the terrain on your map, adapt to sudden changes, and hit as many Goal Points as you can.

Choose your faction and test your skill in this one-player tactical masterpiece, where positioning is everything! Clear forests, pave roads, knock enemies into pits, yank them out from behind their defenders, before the Business Demons burn it all down!

Conquer. Build. Survive. A tactical strategy game on procedural hex grids - intense, deep. Plan every move: establish your base, secure supply lines, and unleash suppression fire against all who stand in your way. Research new technologies - improve your units. Play solo, co-op, or PvP.

Gather your army. Defeat other players' avatars. Claim the champion's title. Knight's Errand is a concentrated dose of tactical nostalgia, designed for quick and intense sessions. Pure tactics, no filler.

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.

Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!

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.

In history, many brilliant civilizations faced annihilation due to the invasion of powerful empires, leaving only sighs of regret. In a fictional world, you will take on the role Guardian of Civilization. Can you help these civilizations grow and thrive, resisting the invasion of formidable enemies?

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.

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

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Virtualord is a TBS game with TD and RPG elements. Your mission is to conquer new worlds and to extend your domain over the whole galaxy. Build your base, command your units, gather resources, set up defenses and crush anyone challenging you. Have no mercy and the universe will be yours!

BoC is a historical 4X strategy game. Play on diverse planets with climate simulation and non-linear progression over the last 60,000 years of human evolution. Develop your own ancient civilization starting as a nomadic tribe from the last Ice Age.

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.

Beast Whalers is a naval tactical roguelike about assembling and controlling your own fleet to battle bizarre sea monsters. Trade and upgrade unique ships, use their special abilities, and maneuver carefully between enemies on tight, procedurally generated levels.

Lay out your grand strategy on the land of Eagarlnia where humans, elves, orcs, dwarves, and the undead each battle out a corner of land. Manage your territories by navigating complex decisions and grow your economy.

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!

Build an empire in a single sitting. All the strategy of a classic 4X in a faster format, which also shines in multiplayer.

4X Deckbuilder where you harness magical spells to expand your empire. Make strategic decisions about what to construct in your cities to fend off enemies and conquer the map across infinite procedural landscapes. Play cards to take your empire from the stone age to the modern era and beyond!

Underfoot Queens is an ant themed 4x where you will lead your species across generations. Explore, forage for food, expand your colony, fight off competitors, and survive the elements on your path to evolution. In the end, only the most adaptable species will survive.

Board the enemy spaceship while defending your own in turn-based tactics. Outmaneuver foes, chain creative combos, and if you see a better way, rewind and take it. Push for greater rewards, so you’re ready for the tougher enemies ahead. But be aware of the enemies that are pushing back right now!