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
$14.99Infested Planet
Mar 6 · Rocket Bear Games
Both: Tower Defense · RTS · Sci-fi
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.
StrategyTower DefenseActionRTSIndieSingleplayerTop-DownSci-fiAliensTactical👍 2,468
$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
$24.99Creeper World 4
Dec 3 · Knuckle Cracker
Both: Tower Defense · Wargame · RTS
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
Tower DefenseReal Time TacticsWargameBuildingRTSSpaceStrategy3DPhysicsWar👍 4,554
-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
$9.99Home Wars
Jun 13 · Insane Dreamers
Both: RTS · Wargame · Military
Do you hate bugs and arachnids? Seeing them creeps you out? Would you like them to disappear off the face of the Earth? GOOD! This is the right game for you! In HW you’ll play as a General of a toy soldiers army, with the sole purpose of saving the owner’s house from the invasion of those damn Bugs.
RTSFPSWargameStrategySandboxMilitaryShooterWarGrand StrategyAction RTS👍 1,141
$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
$29.99Starship Troopers: Terran Command
Jun 16 · The Artistocrats
Both: RTS · Military · Sci-fi
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
StrategyRTSSingleplayerMilitaryTacticalWarSci-fiResource ManagementReal-TimeWargame👍 9,216
$11.99Protolife
Jun 15 · Volcanic Giraffe
Both: Tower Defense · RTS · Sci-fi
Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.
Tower DefensePixel GraphicsRTSStrategyBase BuildingSci-fiIndieSingleplayerTop-DownAliens👍 446
$14.99Creeper World 3: Arc Eternal
Mar 27 · Knuckle Cracker
Both: Tower Defense · RTS · Sci-fi
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Tower DefenseStrategyIndieRTSSingleplayerSci-fiReal-Time with PauseSimulationBase BuildingLevel Editor👍 4,098
$9.99Alien Shooter TD
Jan 13 · Sigma Team Inc.
Both: Tower Defense · Sci-fi · Survival
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!
GoreTower DefenseStrategyActionShooterSci-fiSurvivalReal Time TacticsViolentAliens👍 677
-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
-70%$5.99Cosmic Trip
May 24 · Funktronic Labs
Both: Action RTS · Tower Defense · RTS
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
VRSingleplayerFPSAction RTSTower DefenseRTSPvEStrategyShooterAction-Adventure👍 409
AOD: Art Of Defense
Dec 1 · Sateda
Both: Tower Defense · Wargame · RTS
AOD is a new gameplay in the traditional tower defence genre. You must protect your base from waves of approaching enemies. Build and improve your towers and units and destroy your enemies in any way you can. Don't be weak, destroy them all, show who's in charge!
Tower DefenseReal Time TacticsWargamePvERTSStrategyBuildingSurvivalIsometric2D
$2.99Planet TD
Jan 6 · MD Games
Both: Tower Defense · RTS · Wargame
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
Tower DefenseReal Time TacticsAuto BattlerTactical3D PlatformerCasualStrategyRTS2D PlatformerWargame👍 124
$39.99Aliens: Dark Descent
Jun 19 · Tindalos Interactive
Both: RTS · Sci-fi · Aliens
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
StrategyTacticalActionRTSReal Time TacticsSingleplayerSci-fiAliensTop-DownDark👍 15,320
$4.792112TD: Tower Defense Survival
Jan 19 · Refinery Games
Both: Tower Defense · Sci-fi · Survival
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.
Tower DefenseStrategySingleplayerSci-fiSurvivalActionTacticalTop-DownIsometric2D👍 430
$19.99Alien Marauder
Nov 17 · Vexan Studio
Both: RTS · Survival · Military
“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!
Early AccessRTSSurvivalColony SimStrategyTop-DownBase BuildingMilitarySci-fiBuilding👍 323
$29.99Grey Goo
Jan 23 · Petroglyph, Six Foot
Both: RTS · Sci-fi · Aliens
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
StrategyRTSSci-fiMultiplayerAliensBase BuildingGreat SoundtrackSingleplayerMechsRobots👍 2,602
$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
$14.99Iron Marines
May 15 · Ironhide Game Studio
Both: RTS · Sci-fi · Aliens
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
RTSStrategySci-fiSingleplayerAction2DAdventureAliensIndieCartoony👍 1,741
Sol Survivor
Mar 15 · Cadenza Interactive
Both: Tower Defense · Sci-fi · Survival
Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support. Play with friends in co-operative and competitive multiplayer matches or test your mettle against our new Survival mode!
Tower DefenseStrategyIndieCo-opSci-fiMultiplayerSingleplayerAddictiveSurvival👍 317
$24.99Taur
Feb 19 · Echo Entertainment
Both: Tower Defense · Sci-fi · RTS
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?
Tower DefenseStrategyActionBase BuildingIndieSci-fiRTSSingleplayerRobotsReal Time Tactics👍 2,010
$11.99Dig or Die
Jul 10 · Gaddy Games
Both: Survival · Tower Defense
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
SurvivalOpen World Survival CraftSandboxCrafting2DOpen WorldIndieTower DefenseStrategyAction👍 3,864
-80%$0.79Robowars
Oct 24 · N-Game Studios
Both: Action RTS · Tower Defense · RTS
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.
Action RoguelikeSpectacle fighterAction RTSTower DefensePvERTSStrategyTop-DownIsometric3D
$3.99Void Destroyer
Jan 20 · Iteration 11
Both: Sci-fi · RTS
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
StrategySimulationActionSpaceAdventureIndieSci-fiRTSSpace SimSingleplayer👍 268
Crossfire: Legion
Dec 8 · Blackbird Interactive
Both: RTS · Action RTS
Crossfire: Legion is a real time strategy game featuring tactical action in furious battles across a shattered version of the near future. Raise and customize your army to engage in intense online combat and carve your own path as you rise through the ranks. It’s a new generation of warfare.
StrategyRTSPvPIsometricPvEAction RTSeSportsReal Time TacticsBase BuildingResource Management👍 693
$4.99Alien Hallway 2
Oct 5 · Sigma Team Inc.
Both: RTS · Aliens
We're happy to present a new game in the Alien Shooter universe! Get prepared to unique tactical gameplay, lots of monster types and 8 fighter types allowing you create your own style of completing missions and defeating bosses.
StrategyActionRTSShooterShoot 'Em UpAliensAdventureIndieSniperArcade👍 137
$4.99Creeper World: Anniversary Edition
Nov 16 · Knuckle Cracker
Both: Tower Defense · RTS
Imagine an enemy that is everywhere and moves like a giant, organic mass across the map. Imagine your base and your people surrounded by a blanket of crushing destruction from all directions. Your only hope, well what hope? Then you take the high ground and pound this enemy into oblivion.
StrategyIndieSimulationTower DefenseRTSSingleplayerTop-DownReal-Time with Pause👍 913
$12.99Supreme Commander: Forged Alliance
Sep 28 · Gas Powered Games
Both: RTS · Sci-fi
The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.
StrategyRTSSci-fiMultiplayerSingleplayerBase BuildingGrand StrategyCo-opModdableReal-Time with Pause👍 9,920
$29.99Aliens: Colonial Marines Collection
May 1 · Gearbox Software
Both: Aliens · Sci-fi
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
ActionFPSAliensCo-opSci-fiShooterMultiplayerHorrorSpaceOnline Co-Op👍 7,834
$29.99The Riftbreaker
Oct 14 · EXOR Studios
Both: Tower Defense · Survival
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
Base BuildingOnline Co-OpMultiplayerTower DefenseSurvivalAction RPGHack and SlashExplorationSandboxBuilding👍 22,140
-90%$0.99The Red Solstice
Jul 9 · Ironward
Both: RTS · Sci-fi · Aliens
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
StrategyTacticalRTSSci-fiCo-opAliensSingleplayerReal Time TacticsMultiplayerTop-Down👍 883
$9.99AI War: Fleet Command
Oct 21 · Arcen Games
Both: RTS · Sci-fi
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
StrategyRTSSpaceIndieSci-fiCo-op4XGrand StrategyDifficultTactical👍 993
