Top similar games like Orion Wars:

Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.

Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.

'Alignment Zero' is a Real-Time Tactics game with Pause. As the commander of a Private Military Company (PMC) strike force, control your troops and complete missions. Build your squad, select equipment, and develop a tactical plan for battle.

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?

Experience cinematic space warfare in SALVO, an action packed real-time tactical combat simulator. Command your flagship and engage in intense battles in a war-torn solar system. Play a story-driven campaign, or forge your own destiny across the dangerous frontiers.

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.

A sci-fi Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with player controlled drone. Build and collect resources and help evacuate your crew from the alien planet.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

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.

First-person drone combat meets RTS base-building: command historical squads, advance from stone to lasers, and power the outpost’s defenses and superweapon to seal a space-time rupture.

Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Over 500,000 players on mobile! Sun Wars is a real-time strategy game set in a galactic war between suns. Build and boost your solar system, attack enemy suns, avoid deadly black holes, and manage energy wisely. Only smart tactics and strategy will let you survive and win the war.

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.

You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.

Leave No One Behind is tactical real time strategy war game. Experience some of the hardest battles fought during the Vietnam War in 1965 between US Army and the Army of the Northern Vietnam for landing zones X-Ray and Albany and for Plei Me special forces camp.

A traffic-control incremental game where you click and drag cargo ships, guiding them to docks to unload. With the proceeds, purchase upgrades to enhance your profits, unlock new ship types, build your station, and expand your merchant empire. Try to win capitalism as quickly as possible!

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.

Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.

Sorcs: Siege Chronicles is an indie 3D tower defense with: - Free positioning for towers - FPS mode - Configurable AI for towers - 4 skill trees - 25 levels with 3 difficulty modes - 20-25 hours to complete 100%

AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

A Real Time Tactics game. An AI with a directive that backfired horribly has made robots to wipe humanity out. In response, humanity built their own robots to fight back. By hacking the robots, you'll sabotage the enemy and boost your allies to turn the tide of battle in humanity's favor.

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.

Defend your base against relentless alien waves in a sci-fi tower defense strategy game. Build deadly kill zones, unlock new towers and special abilities, and adapt your loadout to survive escalating assaults across a hostile campaign.

Para Bellum - Hold the Line is a 3D real time small unit tactics game. Your task is to hold off enemy attacks wave after wave using a variety of different Units and Supports in your arsenal to the best of your abilities in Campaign and Skirmish modes.

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.

This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.

Our Brotherly War is an action strategy game based on the American Civil War where you command your armies to engage in real-time battles with infantry, cavalry and cannons. Casualties are permanent, resources are scarce, and the battles are uncertain.

Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.

War to the Core is a tactical multiplayer Moba/RTS hybrid where you control a mothership and battle on a team against other teams for total world domination. Use all the available resources, from interceptors, you can control while alive or dead to different upgradable ship components to win!

Lead the forces of a human empire in a brutal squad-based RTS. Capture territory, secure vital sectors, deploy fortifications, and unlock new units and upgrades mid-battle to outmaneuver and crush the alien threat.

Take direct control of your hero on a hostile planet. Build your base, gather resources, expand your territory your way, and survive against the planet’s deadly wildlife.

A strategic space tower-defense game. Enemies detect, warn, and try to bypass defenses, forcing you to adapt. Combine diverse towers and face unique maps for varied battles. With tense sci-fi atmosphere, it delivers a fresh experience beyond traditional tower defense.

Design the perfect units, program their behavior, and unleash them in fully automated battles. Refine your creations throughout the campaign, then outsmart all your opponents online.

The colonyship finds a very old solar system called Battlegeuse. General Brenner takes one of his best men, Captain Carter, known for his space explorations, and gives him a very difficult task: recovering information from the planets to defeat the lingering threat.