Top similar games like Space Alliance: Frontier:

A real-time strategy game of orbital warfare. Build satellites, launch them into chosen orbits, and fight for control of the sky. Your assets stay invisible until an enemy sensor finds them. Every strike depends on being overhead at the right moment.

2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

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.

VR RTS meets shooter: command armies and fight with your own aim on the Andromeda front. Capture building slots, manage 3 resources, and win fair 1v1 and 2v2 battles.

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.

World order is revolutionary sci-fi real-time strategy, the main feature of which are modular units

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.

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...

'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.

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.

Bite size colossal battle! Build an army in minutes as infantry upgrade with orbital drops into war machines! Then combine those machines to form the giant Mantlet mech! All while bullet hell rages! In a transhuman future, command Mantlet One to secure New Terra!

Incarnus Warfare is a classic real-time strategy featuring moderate-scale unit combat and base building. The game focuses heavily on immersion in every aspect. Forget the real world around you, and once again, become a commander of a military task force, just like in your childhood.

Loop Defense is a single-player sci-fi tower defense game. Build enemy routes with base walls, assemble a modular defense, manage limited loadouts, energy, and research, face armored, flying, carrier, and wall-breaker units across a star map, or challenge Endless Mode.

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.

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.

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

A fast-paced action RTS set on Mycopia, a living fungal planet that fights back. Harvest serum, build your base, and command armies of humans or Shroomies across single-player missions, co-op, and online PvP.

Command your forces from above or take direct control on the ground. Operative Division is an intense RTS-TPS hybrid set in a post-apocalyptic world. Manage finite resources, execute surgical tactical maneuvers, and unleash devastating superweapons in a battle for humanity's future.

Astra Sentinel is a wave-based survival RTS where endless alien hordes relentlessly assault your planets. Build defenses, colonize planets and manage resources under constant pressure. Will you be able to recover the control of the galaxy?

Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.

72 Seconds is a fast-paced isometric action RTS where tactical squad micro meets ARPG progression. Command specialized units, build defenses, upgrade skill trees, and battle hostile alien threats. Adapt to randomized enemy affixes and survive high-stakes campaign permadeath.

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.

An exciting sci-fi real-time strategy game. You are the leader of a band of elite Marines on a rescue mission; it is your job to secure the outpost and rescue lost miners. Aliens are running amok; it won't be easy...

Command a flying colony ship through an alien void in this real-time steampunk strategy game. Build a floating city, explore a dangerous galaxy, wage broadside naval battles, and invade planets — all while outrunning the Voidwall consuming the galaxy behind you.

Project Sol is a Sci-Fi colony sim set in the future when you civilization is just beginning to reach for the stars. Take control of your Empire, build massive orbital satellites, defend from roving pirates, and conquer the galaxy!

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?

Expedition: Shadow World is a tactical game about an expedition sent to a distant planet to extract energy resources. Command a group of five troopers in real-time battles with a tactical pause and discover the mystery of the planet.

Lead through an action-packed fast-paced tower defense game with a story of an invasion on your homeland by a large foreign force and as a newly appointed commander do what you can to help your country fight back and defend against this enemy force which is approaching from the coast.

Expansion is a sci-fi Action RTS where deck-building strategy meets fast-paced VR duels — battle AI or challenge real players.

A sci-fi low-poly tower defense game. Design your defense against waves of aliens using a wide arsenal of different towers.

Fleet is a light rogue-like game with real-time tactical elements. Players take on the role of a commander, assembling diverse space fleets to repel wave after wave of enemy forces. You can also integrate your wildest ideas into the game by expanding it with MODs.

Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

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