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 27.3% ★, RTS 24.1%, Tower Defense 16.4%, Sci-fi 8.2%, Strategy 6.6%
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 33.8% ★, RTS 28%, Space 14.3%, Strategy 7.8%, 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 26.3%, Action RTS 18.8% ★, Strategy RPG 15.3%, Tower Defense 12.5%, Roguelike 10.9%
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 23.7%, Space 19.9%, Strategy 8.3%, 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 27.4%, Action RTS 25.2% ★, Tower Defense 16.8%, Strategy 10.8%, 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 26.5%, Action RTS 20.2% ★, Tower Defense 18.6%, Strategy 11.1%, 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 30.6% ★, Tower Defense 19.8%, Space 15.1%, Strategy 10.8%, 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 28.2%, Action RTS 22.1% ★, 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 27.4% ★, RTS 24.2%, Lore-Rich 12.8%, Space 9.3%, Sci-fi 6.2%
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 30.9% ★, Tower Defense 20.5%, Space 12.7%, Strategy 12.2%, Sci-fi 8.2%
Build ships block by block, command your fleet in real-time space battles, and choose your path through a roguelike campaign. Upgrade your ships, watch them break apart in combat, and uncover what happened to the galaxy around you.
Why similar: Action RTS 25.3% ★, Space 19.7%, RTS 17.8%, Roguelike 12.1%, Strategy RPG 10.5%
Fight directly as a Commander while your automated base keeps working. Gather physical Nuts, build modules and logistics routes, and master three asymmetric machine species in a 2D action-strategy battlefield.
Why similar: Action RTS 26.5% ★, RTS 23.3%, Tower Defense 15.9%, Lore-Rich 12.4%, Sci-fi 5.8%
- 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 33.2%, Action RTS 26.8% ★, Strategy 13.5%, RPG 9.3%, Tactical 7.9%
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 24.4%, Action RTS 23.4% ★, Tower Defense 16.7%, Space 16%, Sci-fi 8.3%
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 27.9% ★, RTS 22.7%, Tower Defense 19.2%, Sci-fi 7.4%, Tactical 7.1%
From the makers of the award-winning Imperium Galactica 1 and 2 games, discover a powerful space-opera like RTS game.
Why similar: RTS 39%, Space 30.1%, Strategy 16.7%, Sci-fi 7.4%, Action 4.3%
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 26.1%, Tower Defense 20.2%, Action RTS 17.5% ★, Space 11.3%, Strategy 9.6%
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 36.9%, Space 22.8%, Strategy 16.9%, Sci-fi 13.8%, 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 27.2%, Action RTS 25.4% ★, Tower Defense 16.8%, Strategy 9.9%, 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 37.2%, Space 31%, Strategy 16.7%, 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 22.8%, Action RTS 22.4% ★, Tower Defense 14.7%, Space 12.8%, 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 27.5% ★, RTS 27.1%, Tower Defense 18.3%, Strategy 7.3%, Sci-fi 6%
A brand new tactical tower defense game series! Unique roguelike and Unique survival gameplay !
Why similar: RTS 20.5%, Action RTS 20% ★, Tower Defense 16.1%, Strategy RPG 14.8%, Roguelike 8.8%
Surrender is not an option
Why similar: RTS 34.2%, Action RTS 32.2% ★, Strategy 17.8%, RPG 7.1%, Action 7%
Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.
Why similar: RTS 34.7%, Tower Defense 25.9%, Space 10.7%, Strategy 8.1%, Sci-fi 7.1%
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 31.9% ★, RTS 28.4%, Tower Defense 19.3%, Strategy 7.8%, Tactical 5%
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 39.2%, Space 32%, Strategy 15.8%, Sci-fi 11.3%, Singleplayer 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 22.5%, Action RTS 21.7% ★, Tower Defense 20.7%, Strategy RPG 10.5%, Strategy 8.5%
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 24.5%, Action RTS 20.4% ★, Tower Defense 15.3%, Space 13.3%, Tactical 8.8%
Defence of Nythrial is a 2D, Top down, Tower Defence / Real Time Strategy Game.
Why similar: RTS 33%, Action RTS 30.1% ★, Tower Defense 20.2%, Strategy 13.3%, 2D 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 33.5%, Tower Defense 24.9%, Action RTS 12.5% ★, Sci-fi 10.7%, Strategy 8.7%
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 31.2%, Action RTS 30.8% ★, Tower Defense 23.7%, Strategy 10.3%, 2D 2.4%
Stickman World Battle - new exciting and thrilling real-time strategy with famous stickman heroes!
Why similar: RTS 28.9%, Action RTS 23.7% ★, Tower Defense 20.4%, Strategy 13%, Action 5.8%
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 27.9%, Tower Defense 18.6%, Space 11.4%, Sci-fi 10.6%, Strategy RPG 8%
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 22.1% ★, RTS 21.4%, Space 14.7%, Sci-fi 10.3%, Tactical 9.7%
Fast real-time space conquest for 1-4 players. Capture planets, launch missile salvos, and outmaneuver friends in 10-minute Deathmatch blitzes — or scheme through 30 minutes of diplomacy, trade and betrayal in Hegemony mode. Cross-play with mobile; bots fill empty seats so a match always starts.
Why similar: RTS 34.6%, Action RTS 22.4% ★, Space 17.4%, Strategy 10.9%, Tactical 6.9%
You control a space station in the form of a cube that protects the planet from invaders.
Why similar: RTS 22.2%, Action RTS 19.3% ★, Tower Defense 13.6%, Strategy RPG 12.4%, Space 9.6%
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 27.4%, Tower Defense 22.8%, Strategy 13.9%, Space 13.5%, Sci-fi 12.6%
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 34.3%, Tower Defense 25.3%, Strategy 14.7%, Sci-fi 9.3%, Tactical 6.5%
Alienshire is a classic real-time strategy game where you command an alien force, harvest a familiar landscape, produce units, and fight for control of the territory.
Why similar: RTS 39.3%, Action RTS 22.9% ★, Strategy 12%, Sci-fi 11.7%, Resource Management 10.8%
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 29.2%, Action RTS 19.9% ★, Tower Defense 17.9%, Roguelike 13.8%, Strategy 12%
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 33.3%, Action RTS 32.6% ★, Strategy 13.3%, Tactical 8.2%, Action 7.2%
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 43.3%, Action RTS 30.6% ★, Strategy 16.5%, Action 8.1%, Singleplayer 1.6%
Become Arafel, The Dark, in this story-driven RTS prequel to Icon. Corrupt the Choir, spread living corruption across Atrum, evolve monstrous armies, and bring an empire to ruin as you set the stage for the coming Voidfall.
Why similar: RTS 31.2%, Action RTS 31.1% ★, Strategy 11.4%, Lore-Rich 11.4%, Action 6%
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.
Why similar: Action RTS 23.8% ★, RTS 23.3%, Tower Defense 14.1%, Space 10.4%, Sci-fi 7.5%
"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 25.9% ★, RTS 20.4%, Tower Defense 14.2%, Space 12.5%, Sci-fi 8.8%
This is Xhono overwatch space station. Enemy forces are attacking. All kinds of turrets, space station supports and plugins at your disposal. Please use your resources wisely, build your defense, face against all kinds of enemies, and explore the unknown secrets of Xhono.
Why similar: RTS 32.1%, Tower Defense 19.6%, Space 12.3%, Strategy 12.2%, Lore-Rich 11.4%
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 23.2% ★, RTS 22.2%, Space 13%, Roguelike 9.5%, Sci-fi 8.5%
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 29.4%, Action RTS 23.5% ★, Strategy RPG 18.2%, Strategy 11.9%, RPG 9.8%
Help defend Shanghai from an invasion of snowmen! Build and upgrade towers across a battlefield that changes every run, shape your strategy with powerful cards and between-wave rewards, and survive escalating waves and boss encounters in this roguelite tower defense.
Why similar: Action RTS 24% ★, RTS 23%, Tower Defense 17.5%, Roguelike 9.8%, Strategy 7.2%
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 28.8%, Action RTS 25.3% ★, Strategy RPG 18.3%, Tower Defense 16.7%, Strategy 10.8%
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 32.9%, Tower Defense 24.6%, Action RTS 22.7% ★, Strategy 11.5%, Tactical 7.9%
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 34.1% ★, RTS 26.8%, Tower Defense 19.3%, Strategy 9.2%, Story Rich 3.6%
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 29% ★, RTS 27.9%, Space 11.4%, Strategy 7.7%, 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 27.5% ★, RTS 26.7%, Space 13.4%, Lore-Rich 12.1%, Sci-fi 7.8%
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 34.9%, Action RTS 29.1% ★, Strategy 14.2%, Space 11.3%, Sci-fi 7.5%
An epic struggle for control!
Why similar: RTS 35%, Space 33.9%, Strategy 21.5%, Sci-fi 9.6%
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 23.8%, RTS 22.7%, Sci-fi 13.9%, Roguelike 12.3%, Strategy 10.4%
