Top similar games like Battle For Cosmos:

A sci-fi real-time strategy game. An existential war among asteroids in classic RTS style. Build and defend, produce and upgrade, attack and annihilate!

Ender’s Game meets Battleship in fast-paced 3D RTS!

Metal Mars is a real time strategy game where you race to gather resources and build on mars! This game can be played locally with a shared screen with up to three friends (4 players total). There are also 30 challenges to complete against the CPU!

Real-time strategy stripped to the decision. Every shipyard you hold builds without pause - you choose where those ships go, and can turn them in mid-flight. Split fleets by exact percentage, dig in behind shields, and turn the enemy's production against them. Up to eight online. Minutes, not hours.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?

Noble Armada: Lost Worlds is a moddable real-time strategy PC title based on the Noble Armada miniatures game. Set in the Fading Suns Universe, the five Royal Houses dominate human space as they battle each other for control of the greatest resource... humanity itself.

A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.

TAVU is a PvE RTS game with a tactical combat system. Build your bases and defend them against waves of enemy attacks. Upgrade your units and destroy enemy bases to gain new territories and resources.

This is an alternative take on the classic RTS. A 2D strategy game with 3D physics about the conquest of 'Sand Planet'.

An old-school real-time strategy with automatic, resource-free unit production and large-scale, deliberately unfair battles. Lead Spain through a story campaign, or command the Spanish, Inca, or mysterious machine race Supayari in skirmishes against the AI.

Astro Industry Wars is a lighthearted take on the RTS genre featuring distinct unit types, base building, economic production chains, and customizable unit rosters.

Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?

A Roguelike tactics game where you fight hordes of aliens. Your Units evolve and learn new skills as the fight goes on. Manage your squad of 5 specialised mercenaries, and fight a never ending war against the infestation.

Hyperwar is an RTS game with many classic elements such as base building, research, unit production and resource gathering, but it also contains new approaches and ideas. Paired with modern graphics and a freely moving camera, this game is a completely new experience in the genre.

This is a prologue for the main game Grimstar - a single-player real-time strategy game with a story-driven campaign. The sudden death of your brother has hit you hard. However, the corporation for which he has sacrificed his life requires you to take his place until his contract is fulfilled...

Invasion: Phoenix is a passion project by a solo developer and lifelong gamer. An alien empire hellbent on conquering Earth has arrived at our doorstep, and humanity is in total anarchy. Delve into this meticulously crafted 2D top-down pixel art RTS and sign up to reclaim Earth!

Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.

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

A war fought in pencil on a single sheet of paper. Your fleets are marks drawn by your Hand. Command sketched ships in real-time battles, alone across a conquest campaign, or online with friends.

Grimstar is a real-time strategy game with a story-based single-player campaign. Your brother's sudden death has hit you hard, but the laws of the corporation for which he laid down his life dictate that you must take his place until his contract is fulfilled...

Defend galaxy against Alien invasion in the RTS offline game with roguelike fun

In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults.

A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

Empires Edge is a strategy game about building a civilization on floating islands, inspired by the classic Mega Lo Mania. Lead your people, achieve technological breakthroughs, and conquer new territories as you forge an empire at the edge of the Universe.

Technology, Magic, and Immortals collide in a universe torn apart by endless aggression. War is total; even the laws of existence are erased. Lead your fleets to invade worlds across the stars. Your goal is simple: Expand. Conquer. Destroy. Supports LAN & Online Multiplayer (PvP & Co-op).

Crossfire: Legion is a real time strategy game featuring tactical action in furious battles across a shattered version of the near future. Raise and customize your army to engage in intense online combat and carve your own path as you rise through the ranks. It’s a new generation of warfare.

Battle Among Stars – Alien War Five Houses. One galaxy. You are the heir thrown into the war. Command fleets, assemble modular units, forge fragile alliances — every decision reshapes the balance of power. Free demo available now.

Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!

Andromeda Wars is a retro styled space RTS. In Andromeda Wars you must gather power, build a fleet, build defences to defend your mothership, and try to survive the onslaught from the opposing factions. Each ship you add to your fleet gives you powers but also reduces your dwindling resources.

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.

Real-time naval strategy. Build your fleet, defend your base, and destroy the enemy. At your command — ships, submarines, aircraft, and defensive structures.

Design and deploy your own robotic army, then watch them battle it out on their own. Set in a retro-futuristic sci-fi battleground, the action plays out autonomously as your robots clash and fight. It's like watching ant wars, reimagined with robots and laser weapons.

Choose your ship, gather resources, build weapons, and upgrade. Colonize planets, protect your mothership, and destroy enemies in strategic combat. A multiplayer RTS roguelike with turn-based battles!

Third person shooter with strategy elements.

Fast-paced space RTS with 10-25 minute matches. Command fleets, conquer systems, or research the Singularity. Simple controls, strategic depth, but no 3-hour commitments required.