- #1 Mindustry
97% matchOverwhelmingly Positive96% of 25,660 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 26.9 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Automation 28.6%, Tower Defense 25.2%, Base Building 21.7%, Resource Management 13.6%, Strategy 5.6%
- #2 Taur
96% matchMostly Positive80% of 2,078 reviews2020
Dev: Echo Entertainment
Windows
Median: 4.2 hrsMean: 6.8 hrs≥1hr: 76%
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?
Why similar: Tower Defense 38.3%, Base Building 18.7%, Automation 11.9%, Strategy 8.7%, Sci-fi 6.4%
- #3 Stellar Initiative
96% matchMostly Positive77% of 390 reviews2024
Dev: Five Head Games
Windows
Median: 1.7 hrsMean: 6.6 hrs≥1hr: 66%
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!
Why similar: Tower Defense 35.8%, Base Building 19.2%, Aliens 16.4%, Space 10%, Sci-fi 9.7%
- #4 Tower Dominion
95% matchVery Positive86% of 4,827 reviews2025
Dev: Parallel 45 Games
Windows
Median: 11.7 hrsMean: 21.5 hrs≥1hr: 90%
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!
Why similar: Tower Defense 34.8%, Base Building 23%, Resource Management 13.1%, Aliens 12%, Strategy 7.6%
- #5 Mob Factory
94% matchMostly Positive72% of 474 reviews2023
Dev: LiterallyEveryone Games
Windows
Median: 2.0 hrsMean: 7.8 hrs≥1hr: 65%
Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.
Why similar: Automation 29.6%, Tower Defense 22.2%, Base Building 15.8%, Resource Management 11.6%, Crafting 11.2%
- #6 Outworld Station
94% matchVery Positive90% of 506 reviews2025
Dev: Trickjump Games Ltd
Windows
Median: 3.9 hrsMean: 9.1 hrs≥1hr: 70%
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
Why similar: Automation 24.6%, Base Building 15.8%, Space 13.1%, Crafting 11.2%, PvE 7.4%
- #7 Tower Factory
92% matchVery Positive89% of 1,139 reviews2024
Dev: Gius Caminiti
Windows
Median: 2.1 hrsMean: 5.8 hrs≥1hr: 74%
Tower Factory is a tower defense and automation game with roguelite elements. Optimize resource production using conveyor systems while defending against monster waves. Can you find and destroy the enemy tower before it's too late?
Why similar: Automation 27.9%, Tower Defense 24.3%, Base Building 18.2%, Crafting 14.3%, Resource Management 11.5%
- #8 League TD
93% matchVery Positive87% of 79 reviews2023
Dev: Wondarabyte
Windows
"League Tower Defense" is a strategy tower defense game that combines unique defense towers and various upgradeable components to unleash different attack effects. Come and build your perfect defense line.
Why similar: Gun Customization 32.2% ★, Tower Defense 30.6%, Base Building 10.6%, Strategy 7.5%, Sci-fi 7.3%
- #9 Automation Empire
91% matchMixed66% of 2,635 reviews2019
Dev: DOG HOGGLER
Windows
Median: 8.0 hrsMean: 19.5 hrs≥1hr: 85%
Build and manage a massive industrial network of factories, mines, and farms. Employ a fleet of trains, trucks, and robotic drones. In the age of automation, efficiency is survival!
Why similar: Automation 30.7%, Base Building 18.6%, Economy 14.6%, Resource Management 9.9%, Crafting 9.1%
- #10 Space Station Tycoon
91% matchMixed61% of 215 reviews2023
Dev: Lunheim Studios
Windows
Median: 2.8 hrsMean: 8.6 hrs≥1hr: 79%
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
Why similar: Tower Defense 22.8%, Economy 17.7%, Base Building 15.4%, Space 15.4%, Crafting 14%
- #11 Protolife
90% matchVery Positive86% of 465 reviews2018
Dev: Volcanic Giraffe
Windows · Mac
Median: 3.2 hrsMean: 7.7 hrs≥1hr: 74%
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.
Why similar: Tower Defense 34.9%, Base Building 25.5%, Aliens 17.2%, Sci-fi 9.3%, Strategy 8%
- #12 Dyson Sphere Program
88% matchOverwhelmingly Positive98% of 90,027 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.2 hrsMean: 75.2 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Automation 34.1%, Base Building 21.4%, Space 17.6%, Resource Management 11.1%, Sci-fi 5.9%
- #13 Dr. Professor Scientist's Weapons Testing Facility
89% matchVery Positive84% of 77 reviews2022
Dev: Cool Smithy Games
Windows
DPSWTF is a base defense game with roguelike elements, where instead of placing towers, you build the best tower of them all. Combine the best projectiles with effective modifiers and push back the incoming hordes. Research them all to conquer the secrets of the Great North!
Why similar: Gun Customization 26.8% ★, Tower Defense 24.2%, Automation 15.4%, Aliens 13%, Futuristic 6.7%
- #14 This Isn't Just Tower Defense
89% matchMixed61% of 113 reviews2025
Dev: Pri Games
Windows
Defend your base with placeable towers that can be upgraded endlessly. Automate your production and make sure there's enough power to keep everything running.
Why similar: Tower Defense 33.8%, Automation 28.6%, Resource Management 13.1%, Strategy 6.8%, Crafting 6.8%
- #15 IDUN - Frontline Survival
87% matchMostly Positive79% of 671 reviews2025
Dev: IDUN InteractivePub: Surefire.Games
Windows · Mac · Linux
Median: 5.1 hrsMean: 10.9 hrs≥1hr: 76%
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!
Why similar: Tower Defense 23.9%, Base Building 17.9%, Crafting 13.8%, Space 13.6%, Sci-fi 7.4%
- #16 No Creeps Were Harmed TD
86% matchVery Positive89% of 482 reviews2024
Dev: MinMax Games Ltd.
Windows
Median: 2.8 hrsMean: 5.5 hrs≥1hr: 74%
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!
Why similar: Tower Defense 29.1%, Automation 24.3%, Aliens 15.6%, Sci-fi 7.9%, Futuristic 7.3%
- #17 Final Upgrade
85% matchMostly Positive77% of 451 reviews2022
Dev: TaosX
Windows
Median: 2.9 hrsMean: 12.2 hrs≥1hr: 67%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Automation 30.7%, Base Building 19.2%, Space 16.2%, Resource Management 12%, Sci-fi 7%
- #18 2112TD: Tower Defense Survival
84% matchVery Positive88% of 428 reviews2023
Dev: Refinery Games
Windows
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.
Why similar: Tower Defense 32.5%, Aliens 20.3%, Space 15.3%, PvE 11.6%, Sci-fi 10%
- #19 Skyformer
84% matchVery Positive90% of 59 reviews2025
Dev: Weatherfused
Windows
Create an automated system that terraforms a planet with an army of drones. Craft and build bases, set up a weather monitoring system, prepare to survive different types of storms, and take control of the climate and biomes!
Why similar: Automation 24.2%, Base Building 15.4%, Crafting 13%, Space 10.6%, Resource Management 7.9%
- #20 Defense Task Force - Sci Fi Tower Defense
86% matchMixed66% of 53 reviews2018
Dev: ChillX Ltd
Windows
Defense Task Force Featuring Large Scale Procedurally Generated Tower Defense Battles with FPS Quality Visuals and Infinite Waves. 10 tower types, with different attacks , 3 levels plus boosts. 25 Enemy alien species: Regulars, Swarmers, Racers, Cloakers, Healers, Boss Units and Spawners.
Why similar: Tower Defense 55%, Strategy 15.1%, Simulation 11.6%, Sci-fi 11.6%, Indie 6.8%
- #21 Final Factory
83% matchMostly Positive79% of 300 reviews2024
Dev: Never Games Limited
Windows · Mac
Median: 1.9 hrsMean: 7.9 hrs≥1hr: 63%
Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.
Why similar: Automation 28.1%, Base Building 17.7%, Crafting 14.7%, Resource Management 11.7%, Space 11.2%
- #22 Outpost: Infinity Siege
82% matchMixed66% of 13,528 reviews2024
Dev: Team RangerPub: Lightning Games
Windows
Median: 16.2 hrsMean: 41.5 hrs≥1hr: 91%
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.
Why similar: Automation 22.7%, Tower Defense 21.2%, Base Building 16.8%, Crafting 11.8%, Resource Management 11.1%
- #23 Space Architect
81% matchMostly Positive76% of 283 reviews2024
Dev: Albert WiatrPub: PlayWay S.A.
Windows
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
Why similar: Automation 25.5%, Base Building 18.4%, Economy 14.9%, Resource Management 10.1%, Space 9.9%
- #24 Super Sanctum TD
82% matchVery Positive87% of 1,575 reviews2013
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows · Mac
Median: 1.9 hrsMean: 33.2 hrs≥1hr: 75%
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
Why similar: Tower Defense 44.3%, Aliens 21.1%, Futuristic 11.3%, Sci-fi 7.9%, Strategy 7%
- #25 Mineral Defense
80% matchVery Positive91% of 236 reviews2024
Dev: Corestone Games
Windows · Linux
Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.
Why similar: Tower Defense 33.1%, Base Building 22.9%, Space 11.3%, Aliens 9.4%, Strategy 8.3%
- #26 Space Cycle
79% matchVery Positive94% of 198 reviews2024
Dev: Some Sugar Studio
Windows
Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe. Allocate resources, upgrade defenses, and repel relentless enemy attacks! With over 50 unique units and deep strategy, experience real-time tower defense!
Why similar: Tower Defense 44.2%, Space 26.1%, Sci-fi 12.7%, Strategy 10.5%, Indie 3.7%
- #27 World Crafter TD
81% matchMixed46% of 556 reviews2024
Dev: Tbjbu2
Windows
Median: 24 minMean: 4.2 hrs≥1hr: 29%
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies in World Crafter TD!
Why similar: Automation 23.9%, Tower Defense 22.6%, Base Building 16.5%, Crafting 15.4%, Resource Management 11.7%
- #28 The Perfect Tower II
75% matchVery Positive87% of 4,245 reviews2025
Dev: Fire Sword Studios
Windows
The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up!
Why similar: Automation 26.6%, Tower Defense 23.5%, Base Building 15.9%, Programming 15.7% ★, Resource Management 12.2%
- #29 Dome Keeper
76% matchVery Positive92% of 19,233 reviews2022
Dev: BippinbitsPub: Raw Fury
Windows · Mac · Linux
Median: 4.1 hrsMean: 10.8 hrs≥1hr: 87%
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
Why similar: Tower Defense 33%, Space 21.2%, Resource Management 18.3%, Sci-fi 13.2%, Combat 10.3%
- #30 Siege of Centauri
79% matchMixed66% of 448 reviews2019
Dev: Stardock Entertainment
Windows
Median: 42 minMean: 6.0 hrs≥1hr: 44%
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
Why similar: Tower Defense 26.9%, Gun Customization 26% ★, Base Building 18.2%, PvE 12.4%, Sci-fi 6.7%
- #31 Craft In Abyss
78% matchVery Positive83% of 54 reviews2021
Dev: FirePillar2
Windows
Craft in Abyss is a tower defense rogue-lite game. It allow players to design their own mechanical fortress, gather resources and continuously strengthen the fortress facilities within a sci-fi world.
Why similar: Tower Defense 31%, Crafting 23.1%, Base Building 18.3%, Strategy 8.9%, Simulation 8.4%
- #32 Towerful Defense: Prologue
77% matchVery Positive88% of 75 reviews2024
Dev: Mini Fun Games
Windows · Mac · Linux
A tower defense action roguelike where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and items to craft powerful builds that lead you to victory.
Why similar: Tower Defense 53.3%, Aliens 30.8%, Strategy 13.1%, Singleplayer 2.9%
- #33 BARRICADEZ
77% matchMostly Positive80% of 144 reviews2021
Dev: Fly Penguin inc.
Windows · Mac
Barricadez is a mix of tower defense and survival game. Take on your care robot and explore the underground, find new blueprints, gather resources and build your defenses and traps to survive through the night against a myriad of zombie-like creatures. Your goal: to defend the defenseless cradle.
Why similar: Tower Defense 24.2%, Automation 20.9%, Base Building 17.8%, Crafting 14.5%, Resource Management 11.9%
- #34 TDS - Tower Defense Strategy
75% matchVery Positive81% of 354 reviews2025
Dev: Blockage
Windows · Mac · Linux
TOWER ▪ DEFENSE ▪ STRATEGY. Control Vessels. Utilize their uniquely deep set of towers. Create an everchanging defense. Play with friends. Protect your Basin at all costs. An absolute Tower Defense, Real-Time Strategy Hybrid
Why similar: Tower Defense 46.7%, Base Building 21%, PvE 17.2%, Strategy 5.2%, 3D 4.8%
- #35 Starport Delta
78% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Base Building 17.2%, Strategy 14.7%, Space 14.7%, Simulation 12.3%, Resource Management 10.5%
- #36 Illuminaria
76% matchVery Positive83% of 76 reviews2022
Dev: Selva Interactive
Windows · Mac · Linux
Median: 3.0 hrsMean: 3.9 hrs≥1hr: 84%
Command a swarm of intelligent robots in their quest to save the world. Mine resources, manage, and defend multiple bases. Go on expeditions, fight in auto-battles, research new technologies, and create your army of golems to bring back the light.
Why similar: Automation 21.9%, Tower Defense 21%, Base Building 19.2%, Crafting 13.5%, Resource Management 12.2%
- #37 Vectorio
74% matchVery Positive81% of 388 reviews2023
Dev: BN Games
Windows · Mac · Linux
Build. Automate. Defend.
Why similar: Automation 28.3%, Tower Defense 24.5%, Base Building 19.7%, Resource Management 12.5%, PvE 9.4%
- #38 Expand & Exterminate: Terrytorial Disputes - Endless Base Defense
74% matchVery Positive81% of 58 reviews2023
Dev: Terryble Interactive
Windows
The best elements of Real-Time Strategy (RTS) and Tower Defense genres combined into a new Base Defense game. Defend against countless waves of enemies while you expand your base, gather resources, and research technologies to defeat the ever strengthening enemy units.
Why similar: Tower Defense 43%, Base Building 21.4%, PvE 20.1%, Strategy 9.8%, 3D 5.6%
- #39 Prospector
73% matchMostly Positive72% of 149 reviews2025
Dev: Loonworks Games
Windows
Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!
Why similar: Automation 25.7%, Base Building 18.5%, Crafting 15.1%, Resource Management 13.1%, Space 12.9%
- #40 Towerful Defense: A Rogue TD
73% matchMostly Positive73% of 227 reviews2024
Dev: Mini Fun Games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.2 hrs≥1hr: 67%
A roguelike tower defense where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and unique effect items to craft powerful builds that lead you to victory.
Why similar: Tower Defense 82.6%, Strategy 17.4%
- #41 Galaxy Defense War
71% matchVery Positive97% of 144 reviews2025
Dev: Zero Space
Windows
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.
Why similar: Tower Defense 39.3%, Base Building 24.3%, Aliens 19.5%, Strategy 13.1%, Indie 2%
- #42 Defense Grid: The Awakening
73% matchOverwhelmingly Positive96% of 5,303 reviews2008
Dev: Hidden Path Entertainment
Windows
Median: 4.6 hrsMean: 15.1 hrs≥1hr: 91%
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Why similar: Tower Defense 66.7%, Aliens 8.9%, Strategy 8.7%, Sci-fi 7.8%, Futuristic 3.4%
- #43 Refactor
71% matchVery Positive84% of 465 reviews2022
Dev: GAGAPub: LightOn Game
Windows · Mac
Median: 1.7 hrsMean: 35.9 hrs≥1hr: 60%
Refactor is a hard-core tower defense game that combines modular building, route planning, and element composition.
Why similar: Tower Defense 34.6%, Space 15.4%, Resource Management 12.5%, Futuristic 10.6%, Sci-fi 8.7%
- #44 ReFactory
72% matchMostly Positive78% of 91 reviews2022
Dev: AIVIK LLCPub: BIVAK LLC
Windows
Build, explore, fight! ReFactory is a 2D strategy game with a focus on construction and logistics where you build an automated mega-factory on an alien planet.
Why similar: Automation 30.1%, Base Building 24.4%, Crafting 19.8%, Strategy 11.3%, Simulation 9.3%
- #45 MegaFactory Titan
72% matchMostly Positive78% of 140 reviews2022
Dev: Q Switched Productions, LLC
Windows · Mac · Linux
A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!
Why similar: Automation 22.4%, Base Building 14.1%, Programming 13.6% ★, Economy 13.4%, Resource Management 10.1%
- #46 Stellarcraft The Prologue
70% matchVery Positive91% of 76 reviews2024
Dev: DreamStudios
Windows
Stellarcraft is a thrilling sci-fi tower defense game where you explore planets, gather resources, and fend off enemy threats—solo or in 4-player co-op. Play the free demo now! 🚀
Why similar: Tower Defense 30.3%, Base Building 20.4%, Crafting 17.4%, Sci-fi 9.2%, Strategy 6.6%
- #47 Astro Colony
69% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Automation 28.4%, Base Building 22%, Space 15.3%, Resource Management 12.3%, Crafting 10.9%
- #48 World Crafter TD: Prologue
69% matchMostly Positive75% of 99 reviews2024
Dev: Tbjbu2
Windows
Median: 1.1 hrsMean: 2.9 hrs≥1hr: 53%
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies! The prologue for the full game, World Crafter TD!
Why similar: Automation 23.9%, Tower Defense 22.6%, Base Building 16.8%, Crafting 15.6%, Resource Management 11.9%
- #49 Stellarcraft
67% matchVery Positive91% of 99 reviews2026
Dev: DreamStudios
Windows
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀
Why similar: Base Building 54.3%, Strategy 19.1%, Sci-fi 17.8%, Tower Defense 7%, 3D 1%
- #50 Desperate Place
68% matchMostly Positive73% of 292 reviews2025
Dev: BruceGalaxy
Windows
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.
Why similar: Tower Defense 26.9%, Base Building 19.7%, Space 16.1%, Futuristic 11.4%, Sci-fi 8.1%
- #51 The Crust
67% matchMostly Positive77% of 3,397 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 22.5 hrs≥1hr: 83%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Automation 30.6%, Base Building 21.4%, Space 16.8%, Resource Management 13.5%, Sci-fi 5.9%
- #52 Outpost
69% matchMostly Positive73% of 189 reviews2023
Dev: BananaDogGames
Windows
this is a tower defence game,we need upgrade our weapons to fight waves of enemies,robots can mining diamonds,and we need spent those in many aspect,features of this game: 1 return back before dager comes,2tempory upgrade are important but permanent upgrade are better
Why similar: Tower Defense 50.4%, Base Building 18.7%, Space 18%, Resource Management 11.4%, Singleplayer 1.5%
- #53 Farlight Explorers
71% matchMixed56% of 205 reviews2019
Dev: Farlight Games Industry
Windows
Median: 2.5 hrsMean: 3.5 hrs≥1hr: 72%
Extract and gather resources from different planets. Manage the supply of electricity, water, food and oxygen of your base in order to survive. Automate the creation of new products. Build a spaceship to transport your products to other places...
Why similar: Space 36%, Crafting 19.4%, Strategy 18.5%, Simulation 14.6%, Indie 11.5%
- #54 Alien Marauder
70% matchMixed63% of 341 reviews2021
Dev: Vexan Studio
Windows
“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!
Why similar: Tower Defense 23.8%, Base Building 22.1%, Aliens 17.6%, Resource Management 14.6%, Sci-fi 9.2%
- #55 Drill Core
65% matchVery Positive85% of 2,264 reviews2025
Dev: Hungry Couch GamesPub: tinyBuild
Windows
Median: 6.6 hrsMean: 14.6 hrs≥1hr: 89%
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Why similar: Tower Defense 33.7%, Base Building 21.8%, Aliens 11.3%, Space 10.8%, Strategy 9.4%
- #56 McDROID
70% matchMostly Positive73% of 215 reviews2014
Dev: Elefantopia
Windows
Median: 3.3 hrsMean: 4.3 hrs≥1hr: 93%
Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.
Why similar: Tower Defense 37.9%, Base Building 28.7%, Aliens 17.1%, Strategy 8.1%, Indie 3.5%
- #57 MarZ: Tactical Base Defense
68% matchMostly Positive78% of 885 reviews2019
Dev: Giant Grey
Windows
Median: 2.5 hrsMean: 5.5 hrs≥1hr: 71%
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Why similar: Tower Defense 39.3%, Base Building 18.8%, Strategy 10.3%, Resource Management 7.7%, Space 7.2%
- #58 Broken Universe - Tower Defense
66% matchVery Positive91% of 311 reviews2023
Dev: Jinthree Studio
Windows
Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
Why similar: Tower Defense 29.3%, Base Building 18.9%, Space 16.2%, PvE 11.7%, Logic 8.3%
- #59 Astrometica
64% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Automation 26.6%, Crafting 18.2%, Base Building 17.5%, Space 15.8%, Resource Management 9.7%
- #60 Survivor Challenge TD
66% matchVery Positive82% of 60 reviews2025
Dev: SQRT Games
Windows · Mac · Linux
Survivor Challenge TD - is a Tower Defense game where you manage a single tower and add upgrades to it. Buy abilities, enhance upgrades, and defeat the boss!
Why similar: Tower Defense 34.9%, Automation 33.4%, PvE 8.8%, Combat 8.3%, Strategy 6.5%