Games like Archon-9 : Alien Defense
by Dark Terra Games
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...
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Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
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$14.99IDUN - Frontline Survival
Jan 20 · IDUN Interactive
Both: Wargame · Tower Defense · RTS
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
3DBuildingWargameTower DefenseStrategyRTSSurvivalBase BuildingMiningSci-fi👍 685
$5.99Frontline Crisis
Aug 14 · BCQT
Both: Tower Defense · RTS · Action RTS
Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!
Tower DefenseTop-Down ShooterRTSStrategyPixel GraphicsSpaceMechsLocal Co-OpAction RTS1980s👍 348
-30%$8.39From Glory To Goo
Apr 2 · Stratagem Blue
Both: RTS · Tower Defense · Action RTS
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
Base BuildingRTSTower DefenseReal-Time with PauseAction RTSResource ManagementColony SimCity BuilderStrategySandbox👍 1,796
$19.999-Bit Armies: A Bit Too Far
Aug 26 · Petroglyph
Both: Action RTS · RTS · Wargame
Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.
Action RTSRTSWargameReal Time TacticsSandboxColorfulPvPBase BuildingStrategyTactical👍 945
$14.99Mechabellum
Sep 26 · Game River
Both: Wargame · RTS
Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.
StrategyAuto BattlerMechsRobotsWargameTacticalPvPMultiplayerRTSTurn-Based Strategy👍 17,866
-40%$10.49Tower Dominion
May 7 · Parallel 45 Games
Both: Tower Defense · RTS
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Tower DefenseStrategyBase BuildingRoguelikeRTSTacticalRogueliteChoices MatterProcedural GenerationResource Management👍 5,124
$19.99Creeper World IXE
Dec 12 · Knuckle Cracker
Both: RTS · Tower Defense · Wargame
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
RTSTower DefenseWargameReal Time TacticsSandboxSpace1980sWarPhysicsStrategy👍 855
-50%$13.99Age of Darkness: Final Stand
Jan 15 · PlaySide
Both: Tower Defense · Action RTS · RTS
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Tower DefenseAction RTSRTSStrategyBase BuildingPvEDark Fantasy3DFantasyStylized👍 9,487
$39.99Empire of the Ants
Nov 6 · Tower Five
Both: Wargame · RTS
Conquer enemy nests and lead your colony through the perils of the forest in this groundbreaking RTS. Empire of the Ants is a photorealistic, third-person real-time strategy game where you command your insect legions in epic battles.
WargameReal Time TacticsSandboxPvEPvPRTSGrand StrategyStrategyThird Person3D👍 931
-80%$11.99Warhammer Age of Sigmar: Realms of Ruin
Nov 17 · Frontier Developments
Both: RTS · Action RTS · Wargame
Wage a campaign of brutal conquest in this realm-shattering real-time strategy game set in the Warhammer Age of Sigmar universe. Become a warlord and lead four unique factions to conquer the wild and savage Realm of Ghur in tense and tactical battles.
StrategyActionRTSAction RTSReal Time TacticsFantasyWargame3DCinematicStylized👍 1,867
$39.99Terminator: Dark Fate - Defiance
Feb 21 · Slitherine Ltd.
Both: RTS · Wargame
Terminator: Dark Fate – Defiance is not just a game; it's an adrenaline-fueled journey where your strategic prowess decides the fate of mankind against the machines. After the machines took over, the greatest threats may not come from the machines but rather from other human survivors.
StrategyRTSReal Time TacticsWargame3DAtmosphericArtificial IntelligenceAlternate HistoryDarkConspiracy👍 3,398
$29.99Diplomacy is Not an Option
Oct 4 · Door 407
Both: RTS · Action RTS · Survival
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
Resource ManagementMedievalHistoricalZombiesBase BuildingColony SimRTSDifficultAction RTSSurvival👍 10,910
$9.99Toy Shire
Aug 26 · Bluespy Studios
Both: Tower Defense · RTS · Military
Are you prepared for a thrilling toy army tower defense adventure? Welcome to the Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers!
Early AccessTower DefenseStrategyRTSCuteWholesomeFamily FriendlyReal Time TacticsActionMilitary👍 702
$19.99Ratten Reich
Jul 15 · METALLADLERSTUDIO
Both: RTS · Wargame
Ratten Reich is an RTS focusing on realistic combat in a unique, steampunk/dieselpunk world ripped apart by an ongoing war between rats, mice, cockroaches, and lizards.
StrategyRTSWargameReal Time TacticsSpectacle fighter3DTop-DownThird PersonAlternate HistoryAtmospheric👍 616
$59.99Homeworld 3
May 13 · Blackbird Interactive
Both: RTS · Sci-fi
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
SpaceRTSStrategySci-fiStory RichSingleplayerMultiplayerTacticalCo-opRoguelike👍 5,438
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: RTS
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
RTSBuildingSpace SimStrategyBase BuildingSpaceReal-TimeFPSActionSingleplayer👍 1,604
$7.99Deep Dark Forest
Apr 15 · pixiangames
Both: RTS · Wargame · Military
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
SimulationStrategyRTSGrand StrategySpace SimReal Time TacticsWargameExplorationIsometricMilitary
FreeStormgate
Aug 5 · Frost Giant Studios
Both: RTS
Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!
RTSBase BuildingStrategyMultiplayerWareSportsFree to PlayFuturisticTop-DownBuilding👍 2,104
$10.99Invasion: Phoenix
May 17 · Millzen Studios
Both: Action RTS · Wargame · RTS
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... or crush it!
Early AccessAction RTSWargamePvEStrategyRTSArcade2DTop-DownAction
-20%$15.99SENTRY
Mar 25 · Fireblade Software
Both: Tower Defense · Sci-fi · Survival
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
Tower DefenseStrategyFPSSci-fiSurvivalActionColorfulStylized3DFirst-Person👍 847
$19.99The Front
Oct 30 · Samar Studio
Both: Survival · Tower Defense
The Front is a survival open-world crafting sandbox game. You are a resistance fighter sent back in time to stop the rise of a tyrannical empire. Collect resources, craft tech, build shelters, and fight monsters to accomplish your mission.
Open World Survival CraftMultiplayerSurvivalCraftingBase BuildingBuildingOpen WorldTower DefenseSandboxShooter👍 9,553
$59.99Warhammer 40,000: Space Marine 2
Sep 9 · Saber Interactive
Both: Sci-fi
Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.
Co-opActionMultiplayerThird-Person ShooterPvEAdventureThird PersonAction-AdventureSci-fiSingleplayer👍 168,817
$14.99Eyes of War
Jan 31 · Good Mood Games
Both: RTS · Wargame
Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control every unit in character mode. Build your castle, lead your army, and dominate the map. Eyes of War invites you to epic battles of the medieval era!
StrategyOnline Co-OpRTSWargameStylizedIsometricProcedural GenerationThird PersonResource ManagementBase Building👍 268
$14.99Battle Realms: Zen Edition
Jan 27 · Ed Del Castillo
Both: RTS
Return of the Classic, now remastered! Battle Realms is a fantasy RTS inspired by the stories told in martial- arts movies and oriental mythology. Develop your peasants into a highly trained and deadly efficient clan of warriors who are ready to die with your name on their lips.
StrategyActionRTSClassicMultiplayerFantasyEarly AccessFast-PacedSingleplayerBase Building👍 4,198
-90%$1.19Hexguardian
May 2 · Split Second Games
Both: Tower Defense · RTS
Hexguardian is a roguelite, tower defense game where you build your own maps with hexagonal tiles! Build and upgrade towers, recruit armies, learn spells, construct wonders and place hexagonal tiles to create a path to enhance your defenses. With plenty of game modes and talents to unlock!
Tower DefenseCartoonyRogueliteRoguelikeStrategyHex GridProcedural GenerationTacticalRTS3D👍 617
-60%$15.99ZEPHON
Nov 8 · Proxy Studios
Both: Sci-fi
From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
StrategyTurn-Based4XTacticalMultiplayerLovecraftianSandboxCo-opSci-fiProcedural Generation👍 1,841
Also worth a look
Share some of the same DNA, but further from the original.
$49.99Sins of a Solar Empire II
Aug 15 · Ironclad Games Corporation, Stardock Entertainment
Both: RTS · Sci-fi
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
SpaceStrategyRTS4XSingleplayerSci-fiMultiplayerTacticalCo-opPvE👍 7,158
$29.99Starship Troopers: Extermination
Oct 10 · Offworld
Both: Sci-fi · Aliens
Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Online Co-OpActionFPSSci-fiFirst-PersonCo-opMultiplayerCombatAliensPvE👍 29,725
$17.99Dying Breed
Oct 7 · Sarnayer
Both: RTS · Sci-fi
Golden-age RTS classic. Fast-paced action & strategic decision-making, battling evil arch-enemies, zombies, and retro-futuristic technologies. All to a '90s electro-metal soundtrack and FMV live-action cut scenes.
Early AccessStrategySingleplayerRTSBase BuildingTacticalActionWarPost-apocalypticSci-fi👍 218
$24.99Outpost: Infinity Siege
Mar 26 · Team Ranger
Both: Tower Defense · Sci-fi
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
Robots3DTower DefenseBase BuildingFPSResource ManagementCo-opSingleplayerPost-apocalypticSci-fi👍 11,637
FreeImperius
Jun 13 · Incognito Interactive
Both: RTS · Sci-fi
Imperius is an easy-to-learn, hard-to-master space RTS. Command devastating ships of the Imperius Navy and prove your loyalty by destroying everything in your path, no matter the cost.
StrategyRTSSpaceSingleplayerSci-fiFuturisticReal Time TacticsWarLore-RichBase Building
$9.99Cluckmech Oasis
May 9 · BlackLight
Both: Tower Defense
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
StrategyRoguelikeTower DefensePixel GraphicsTop-Down ShooterCuteRogueliteBuildingActionShooter👍 3,078
$39.99Xenonauts 2
Apr 2 · Goldhawk Interactive
Both: Sci-fi
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
StrategyRPGTurn-Based TacticsTurn-Based StrategySci-fiTurn-Based CombatTacticalTurn-BasedPvECharacter Customization👍 4,857


