Top similar games like Astro Protocol:

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.

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.

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.

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.

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.

A faithful digital adaptation of the acclaimed board game Space Empires 4X by GMT Games, beloved by wargamers for almost two decades. Command the rise of your civilization and the fall of others, all in one to two hours.

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?

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.

Shattered Spheres is a turn-based 2D space 4X strategy game inspired by the classics of the genre. Explore a living galaxy, build your empire, and crush your rivals through military conquest or diplomatic cunning — without the micromanagement bloat of modern 4X games.

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.

A multiplayer 4X strategy game where wars are won by breaking through defensive lines, encircling enemy armies, cutting their supply lines, securing resource-producing islands, and blockading those of your opponents. Games are quick and packed with dramatic, high-stakes combat.

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!

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.

Explore the birth of the sicilian mafia. Create your own clan and recruit soldiers and capo-regimes. Manage rackets to grow your wealth and influence in the city. Eliminate rival clans and claim dominion over the map.

Command your evolving robot army in this turn-based strategy which brings classic RTS elements into the tactics format. Collect resources, construct bases, control units and conquer asteroids as you become a critical element in an interplanetary power struggle.

Experience turn-based strategy with free-form base building, multi-unit control, colossal units, and powerful battle skills. It captures the depth of an RTS in turn-based form, like Advanced Wars with massive super units!

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!

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.

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.

Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.

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.

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*

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.

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.

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.

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.

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

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.

Politon: A turn-based strategy game that will push your strategic and management skills to the limit! Expand your territory, strengthen your economy, and outsmart your enemies by planning your strategy carefully.

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.

Is a strategy game where you will take the role of a race called Terrans.

Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.

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.