60+ similar titles based on shared tags and player behavior. Themes include Strategy, RTS, Action RTS, Sci-fi.
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.
Ad Astra: Sci-Fi Tower Defense
Lose yourself in an indie solo-dev. treasure that harkens back to arcade classics! All while thumping along to killer retro-inspired beats by Ovani sound. Embark on an epic tower defense adventure against awe-inspiring machine monstrosities, made by a devoted gamer for devoted gamers.
Battle For Cosmos
Battle For Cosmos is a fast-paced, action-packed RTS set in space. With a focus on the battle it is perfect for those who want a thrilling and engaging strategy game without the unnecessary filler. Take control of your empire, build your defenses, and conquer the cosmos!
Lose yourself in an indie solo-dev. treasure that harkens back to arcade classics! All while thumping along to killer retro-inspired beats by Ovani sound. Embark on an epic tower defense adventure against awe-inspiring machine monstrosities, made by a devoted gamer for devoted gamers.
Why similar: Action RTS 27.1% ★, RTS 23.9%, Tower Defense 16.5%, Sci-fi 8.1%, Strategy 6.7%
Battle For Cosmos is a fast-paced, action-packed RTS set in space. With a focus on the battle it is perfect for those who want a thrilling and engaging strategy game without the unnecessary filler. Take control of your empire, build your defenses, and conquer the cosmos!
Why similar: Action RTS 33.6% ★, RTS 27.8%, Space 14.3%, Strategy 7.9%, Sci-fi 6.6%
As darkness falls, monstrous Abyss creatures emerge. Command your units, gather resources from plants, and survive each night. Defend the Crystal from increasingly powerful enemies in this pixel art RTS defense game.
Why similar: RTS 26%, Action RTS 18.6% ★, Strategy RPG 15.3%, Tower Defense 12.5%, Roguelike 11%
Galaxy Trek is a fun, simple and addictive indie game that will test your reflexes, strategy and skill. Each game you play is unique!
Why similar: Action RTS 37.7% ★, RTS 23.6%, Space 20%, Strategy 8.5%, Action 4.2%
A physics-driven tower defense game where one massive cube does everything: fight, build, activate, and survive. Drop into a neon sci-fi battlefield, hold back waves of Chaos Dice, and power up your defenses through energy, momentum, and precision.
Why similar: RTS 27.2%, Action RTS 25.1% ★, Tower Defense 16.9%, Strategy 11%, Space 9.4%
Negative Energy is a tower defense game with basic RTS mechanics, where your goal is to defend the construction of a Dyson sphere, while fighting against waves of hundreds of enemies ships.
Why similar: RTS 26.3%, Action RTS 20.1% ★, Tower Defense 18.6%, Strategy 11.2%, Space 9.1%
Starfall Defenders is a classic tower defense game that features unique towers and enemies. It also has an in-game shop system that allows players to purchase better towers, upgrade existing ones, and buy special items like the Atom Bomb, Splash Bomb, and Air Supply.
Why similar: Action RTS 30.4% ★, Tower Defense 19.9%, Space 15.1%, Strategy 11%, Arcade 7.2%
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.
Why similar: RTS 28%, Action RTS 22% ★, Space 16.3%, Tactical 8.1%, Sci-fi 7.4%
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!
Why similar: Action RTS 27.2% ★, RTS 24%, Lore-Rich 13.1%, Space 9.3%, Strategy 6.2%
From the minds behind Age of Empires, Age of Mythology, and Halo Wars comes a new generation of RTS. Forge powerful alliances and build an unstoppable fleet as you battle across the galaxy to drive back the insidious Voltari.
Why similar: RTS 29.2%, Action RTS 28.9% ★, Roguelike 13.8%, Space 9.3%, Sci-fi 9.1%
Celestial Defense is a sci-fi space tower defense strategy game where tactical base building and resource management determine your survival. Build asteroid belts, evolve planets, and withstand relentless wave survival combat against the Void.
Why similar: Action RTS 30.6% ★, Tower Defense 20.5%, Space 12.6%, Strategy 12.3%, Sci-fi 8.1%
- World first to achieve a successful serverless online gaming feature by utilizing Locus Chain Blockchain technology - RPG game mode with multi-play capability - Unique RTS/RPG Hybrid
Why similar: RTS 32.9%, Action RTS 26.4% ★, Strategy 13.7%, RPG 9.4%, Tactical 8.1%
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.
Why similar: Tower Defense 22.9%, Action RTS 21.8% ★, RTS 19.3%, Sci-fi 11.6%, Strategy 9.3%
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.
Why similar: Action RTS 27.8% ★, RTS 22.5%, Tower Defense 19.3%, Sci-fi 7.4%, Tactical 7.1%
Join in on the next gold rush and become a prospector in space. In this unique tower defense you can set up and reposition towers for maximum efficiency and adapt to the environment.
Why similar: RTS 24.2%, Action RTS 23.3% ★, Tower Defense 16.8%, Space 16%, Sci-fi 8.3%
From the makers of the award-winning Imperium Galactica 1 and 2 games, discover a powerful space-opera like RTS game.
Why similar: RTS 38.8%, Space 30.1%, Strategy 16.9%, Sci-fi 7.4%, Action 4.2%
Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.
Why similar: RTS 25.9%, Tower Defense 20.4%, Action RTS 17.4% ★, Space 11.3%, Strategy 9.7%
RogueCraft Squadron is a fast paced real-time strategy space adventure with roguelike elements. Play as a squadron commander fighting against a hostile alien race; collecting resources, researching new ships and building an armada as you fight to survive against overwhelming odds.
Why similar: RTS 36.7%, Space 22.8%, Strategy 17.1%, Sci-fi 13.7%, Indie 5.6%
Command Captain Hope's ship in this strategic 2D space game. Build structures, deploy fleets, and manage resources to defend the Citadel against waves of enemies. Combine direct ship combat, tower defense, and base building as you face epic boss battles.
Why similar: RTS 27%, Action RTS 25.3% ★, Tower Defense 16.9%, Strategy 10%, Space 5.8%
This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!
Why similar: RTS 37%, Space 31%, Strategy 16.9%, Sci-fi 12.1%, Indie 3%
On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.
Why similar: RTS 22.6%, Action RTS 22.3% ★, Tower Defense 14.8%, Space 12.7%, Sci-fi 7.9%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 27.4% ★, RTS 27%, Tower Defense 18.4%, Strategy 7.4%, Sci-fi 6%
A brand new tactical tower defense game series! Unique roguelike and Unique survival gameplay !
Why similar: RTS 20.3%, Action RTS 19.9% ★, Tower Defense 16.1%, Strategy RPG 14.9%, Roguelike 8.9%
Surrender is not an option
Why similar: RTS 33.4%, Action RTS 32.4% ★, Strategy 18.3%, RPG 7.3%, Action 6.9%
Master strategic gameplay as you build, train, and upgrade units to protect your base. With an immersive storyline, stunning visuals, and easy controls, it's an epic battle for survival!
Why similar: Action RTS 31.8% ★, RTS 28.3%, Tower Defense 19.4%, Strategy 7.9%, Tactical 5.1%
Random Realms Hero Under Siege is a fast-paced single player tower defense RTS where every match is a fresh roll of the dice. Build bases from randomized building options, lead a leveling hero and their army, and hold the line against escalating enemy waves.
Why similar: RTS 22.3%, Action RTS 21.6% ★, Tower Defense 20.8%, Strategy RPG 10.5%, Strategy 8.6%
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.
Why similar: RTS 39%, Space 32%, Strategy 16.1%, Sci-fi 11.3%, Singleplayer 1%
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?
Why similar: RTS 24.3%, Action RTS 20.4% ★, Tower Defense 15.4%, Space 13.3%, Tactical 8.9%
Defence of Nythrial is a 2D, Top down, Tower Defence / Real Time Strategy Game.
Why similar: RTS 32.8%, Action RTS 30% ★, Tower Defense 20.3%, Strategy 13.4%, 2D 3.1%
Plasma Dome is a tactical tower defense with roguelite progression and no predefined paths. Defend your city from an aerial assault of geometric entities from another dimension.
Why similar: RTS 32.5%, Tower Defense 23.2%, Strategy 14.1%, Roguelike 13.7%, Sci-fi 8.3%
Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.
Why similar: RTS 33.3%, Tower Defense 25%, Action RTS 12.5% ★, Sci-fi 10.7%, Strategy 8.9%
Prevent the invasion of the minions that stimulate the desire for challenge and prove that you are a slayer physically and mentally.
Why similar: RTS 31%, Action RTS 30.6% ★, Tower Defense 23.8%, Strategy 10.4%, 2D 2.4%
Stickman World Battle - new exciting and thrilling real-time strategy with famous stickman heroes!
Why similar: RTS 28.7%, Action RTS 23.6% ★, Tower Defense 20.5%, Strategy 13.2%, Action 5.7%
Dig minerals, manufacture ammunition, and build defense towers to fend off swarms of insects. A tower defense game with light production line elements.
Why similar: RTS 27.1%, Tower Defense 22.7%, Strategy 14%, Space 13.5%, Sci-fi 12.5%
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.
Why similar: RTS 27.6%, Tower Defense 18.6%, Space 11.3%, Sci-fi 10.6%, Strategy RPG 8%
You control a space station in the form of a cube that protects the planet from invaders.
Why similar: RTS 22.1%, Action RTS 19.2% ★, Tower Defense 13.7%, Strategy RPG 12.5%, Space 9.6%
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
Why similar: RTS 33.9%, Tower Defense 25.4%, Strategy 14.9%, Sci-fi 9.4%, Tactical 6.4%
A roguelike where you build the colony you defend. Select and place cards to construct an army and a colony that supports them to beat back the ever-threating invaders!
Why similar: RTS 28.9%, Action RTS 19.8% ★, Tower Defense 17.9%, Roguelike 14.1%, Strategy 12.1%
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.
Why similar: Action RTS 22% ★, RTS 21.3%, Space 14.7%, Sci-fi 10.3%, Tactical 9.8%
The legendary RTS game which started it all. Will you side with the humanistic GDI or bring the world to its knees with Kane and the Brotherhood of Nod. Your adversaries are without mercy. And so are you.
Why similar: RTS 42.5%, Action RTS 30.8% ★, Strategy 16.9%, Action 8.1%, Singleplayer 1.6%
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
Why similar: Action RTS 25.8% ★, RTS 20.3%, Tower Defense 14.2%, Space 12.5%, Sci-fi 8.7%
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.
Why similar: Action RTS 23.8% ★, RTS 23.2%, Tower Defense 14.2%, Space 10.4%, Sci-fi 7.5%
A difficult, fast-paced action, real-time strategy game in which you embark on an exciting journey, fighting against a wide variety of dangerous enemies whilst levelling up your different characters.
Why similar: RTS 33.2%, Action RTS 32.5% ★, Strategy 13.5%, Tactical 8.3%, Action 7%
You are The Dark Lord! Raise an evil army, and crush the race of men. An action-strategy hybrid RTS, blending tower defence, base building and direct control of your Dark Lord avatar, currently in early development.
Why similar: Action RTS 34% ★, RTS 27.3%, Tower Defense 19.1%, Strategy 9.2%, Story Rich 3.5%
True RTS gameplay reinforced with roguelite build crafting. Control units with bullet-time precision. Call down bases and raise armies. Drafted from a different arsenal every run. Weave builds that break the game. Or the game breaks you.
Why similar: Action RTS 23% ★, RTS 22%, Space 12.9%, Roguelike 9.6%, Sci-fi 8.4%
You are the King in the first-person strategy game. Manage villagers, collect resources and build your castle. Сreate army not only of knights, but also with griffins, trolls or even mighty dragons. Mount your favorite fantasy creature and join the battle. Rise royal scepter to lead your kingdom.
Why similar: RTS 29.2%, Action RTS 23.5% ★, Strategy RPG 18.4%, Strategy 12.1%, RPG 9.8%
Protect your simmering soup from relentless hordes in this action-packed, vertical Tower Defense! Take direct control of your Chef, build intricate mazes, merge towers on the fly, and unleash powerful spells. Level up mid-battle for roguelite buffs and unlock deep RPG loot to survive!!
Why similar: RTS 28.6%, Action RTS 25.1% ★, Strategy RPG 18.5%, Tower Defense 16.8%, Strategy 11%
Craft an unstoppable defence using Dwarven Towers and a fearless squad, then take on waves of invading Hobgoblins in this thrilling real-time strategy tower defence game! Strategize, upgrade, and triumph in Hobgoblins Against Dwarfs!
Why similar: RTS 32.6%, Tower Defense 24.7%, Action RTS 22.6% ★, Strategy 11.6%, Tactical 8%
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?
Why similar: Action RTS 28.9% ★, RTS 27.8%, Space 11.4%, Strategy 7.8%, Sci-fi 7.5%
Blast off in this retro-style space shooter! Conquer planets, outwit AI enemies, and survive the dangers of deep space in fast-paced, nostalgic pixel action.
Why similar: RTS 34.8%, Action RTS 29% ★, Strategy 14.4%, Space 11.3%, Sci-fi 7.5%
Perimeter is a real-time strategy game with a destructible world. Utilize the environment for resource gathering and defense against enemies. Immerse yourself in the millennia-spanning history of the Chains of Worlds and lead a faction in the struggle for survival.
Why similar: Action RTS 27.4% ★, RTS 26.4%, Space 13.3%, Lore-Rich 12.4%, Sci-fi 7.7%
An epic struggle for control!
Why similar: RTS 34.8%, Space 33.9%, Strategy 21.8%, Sci-fi 9.5%
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.
Why similar: RTS 34.2%, Action RTS 15.6% ★, Strategy 10.4%, Space 10.3%, Resource Management 8.9%
BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX
Why similar: Space 23.7%, RTS 22.5%, Sci-fi 13.9%, Roguelike 12.6%, Strategy 10.5%
Due to your debts, you have been sent to the BAORA9 production facility. A quiet place, if it weren't for the raids by local creatures. Will you be able to complete your work and leave BAORA9 safe and sound?
Why similar: RTS 34.1%, Action RTS 30.6% ★, Space 14.8%, Sci-fi 8.2%, Tactical 7.8%
Command gore-soaked demon armies in brutal pixel-art RTS battles! Conquer worlds match-by-match, unlock blueprints to create and evolve your unstoppable faction, and dictate victory by choosing your servants' twisted buildings
Why similar: RTS 32.1%, Action RTS 30.2% ★, Roguelike 13.8%, Strategy 12.3%, Lore-Rich 7.9%
A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.
Why similar: RTS 49.5%, Sci-fi 15.6%, Strategy 14.8%, Space 11.9%, Story Rich 4.9%
Smash your way through endless waves of enemies and grow insanely powerful with spells + guns! Summon armies, fortify bases, level up, dash around enemies effortlessly, unlock characters + upgrade to create unique and wild builds as you fend off swarms of monstrosities in this surreal RTS-TPS hybrid
Why similar: RTS 26.7%, Action RTS 25.5% ★, Tower Defense 17%, Strategy RPG 13.6%, Strategy 6.4%
