Top similar games like Champions of The Cosmos:

Step into the world of galactic combat in "WarOS", a Chinese sci-fi game! It creates its own structure, integrating the core gameplay of RTS with the details, plot and growth system of RPG, simplifying complex micro-manipulation, and making the game experience both fun and exhilarating.

Humanity is racing through space on the wings of hope, away from the emerging threat of a cosmic cataclysm that could spell extinction. And mysterious aliens with powers beyond imagining follow them everywhere they go.

Strategy, timing and fortune: Novel and immersive tower defense game experience!

A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.

Command a growing fleet in a free-to-play, persistent real-time space MMO. Pick one of twelve rival human factions, build your starbase, mine rare resources, research alien tech and wage war across a seamless universe, while an ancient alien Tide gathers at the edge of the Frontier.

Play a 4x game in 40 minutes... or less! We streamlined 4x strategy down to a game that captures the fun in a manageable play time. Lead your faction against escalating enemies and expand the reach of your empire. Multiple paths to victory allows for a variety of strategies. Build your empire.

Exostation is a sci-fi real-time strategy game. Reach sustainable planet economies by building, allocating, mining, and selling wisely. Allow humanity to spread and conquer new solar systems not by war but by ensuring its planet's resources are not exhausted.

Build fortified bases, protect your ore and power networks, and command infantry, armor, aircraft and warships in a near-future single-player RTS. Lead an eight-mission campaign or customize skirmishes against rival AI commanders—with an AI ally at your side.

A game in the genre of management strategy. Here you can build your own factory for the production of robots, and on another planet, and extract resources and test robots on other different planets.

Lead a party of living chemical elements through a fractured world where every bond changes the battle. Switch between unique heroes, combine their abilities, manage volatile reactions and restore the stability.

Hell of Men: Blood Brothers is a real-time strategy game, developed by one person, in which you will have to collect resources, build your base, train your army by choosing your soldiers wisely and fight.

Build a mech lance from battlefield salvage and command it in real-time battles with pause. Forge signature weapons, combine faction doctrines, grow veteran pilots and a bonded command mech through a three-act roguelite war of revenge.

As a commander of an imperial space force you will conquer unexplored planets, create colonies and equip your fleet for attack or defense. Strategic warfare is the focus of Spaceinvasion!

Mecharise is a strategy and tower defense game that combines elements of base building, resource management, and wave-based combat against hostile aliens. Pilot a mecha as you colonize new worlds and defend your base against enemy attacks.

In a shared star system, a small new bank struggles strategically to rise and outmaneuver its rivals.

Join our machine legion to conquer the world.

Astro Industry Wars is a lighthearted, futuristic real time strategy game with base building, economic production chains, colorful worlds, and lots of vehicles.

Build sprawling defensive networks of high-tech turrets and logistics systems to repel massive enemy swarms! Take direct control of your turrets and utilize powerful support powers to repel the invasion!

On a forgotten world, confront a malevolent machine intelligence. Extract minerals, build factories, power up the railguns, and arm the missile batteries. Defend the Fortress Omega against the alloyed nightmare.

Ifectra is a strategy game set in 2124 on the distant planet Emevera III, ruled by the Maxploit Corporation, where an epidemic of a yet unknown virus broke out. Your goal as the corporation security commander is to evacuate as many healthy people as possible and to eliminate infected individuals.

Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.

SOOT is a Simulation and Strategy game where you control the terraforming crew of the Ziggurat, a roaming space station that orbits small planets and exploits their resources. Follow Captain Christopher Mason and Lieutenant Ferdinand McCann as they (and you) master the craft of terraforming.

Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!

Lead a living star network in this real-time 3D sci-fi strategy game. Expand from one stellar core, link orbital nodes, secure resources, and launch coordinated assaults as every connection reshapes your economy, defenses, and territorial control.

Block Strategy is an RTS Base Defence roguelite with a fully destructible world. Build your base and find fuel to power your reactor before you're overrun by an onslaught of enemy robots.

Set up your base, gather resources and build a defensive perimeter with walls and towers to protect your outpost from waves of enemies. Research new tech, gather your forces and send your units and mini-units to annihilate the enemy.

Expand your base to reach the enemy threat. This is tower offense

Build and defend your base, plan coordinated strikes, and command your forces in a cinematic real-time strategy game focused on tactical decisions over constant micromanagement.

Red Sea is an intense Real-time Tactics game where you control a small team of vigilantes in increasingly challenging battles. It features a Scriptable Tactics system that mixes auto-battling with manual overrides and has a ton of powerful ability interactions to discover.

Earth fell to the alien hive. Build your defense across 16 hand-crafted maps, lead 12 heroes into battle, and take your base online — rival commanders attack it while you're away, and you strike back in seasonal PvP leagues.

Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Command fleets, build your colony, manage resources, and master six elemental forces in a sci-fi strategy game set across a galaxy of rival worlds. Choose diplomacy, defense, or expansion as your decisions shape the future of Exelcia.

A VR strategy game where you are big, powerful and in control. Command your forces to build, defend, and destroy.

Design your own spaceships and assemble a fleet to fight in epic PvP battles. Ships are fully destructible and manned by persistent crew members including yourself. Ranked/casual matchmaking, PvE for practice. Show your creativity, strategy and tactics to defeat the enemy Admiral!