- #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: Tower Defense 38.3%, Strategy 13.5%, Base Building 13.3%, Resource Management 11.3%, RTS 9.5%
Why You'll Like It: Combines tower defense, resource management, and automation in a deep sci-fi setting that mirrors the base-building complexity of the seed game.
- #2 Mars or Die!
96% matchMixed53% of 74 reviews2018
Dev: 34BigThings srl
Windows
Median: 12 minMean: 11.7 hrs≥1hr: 36%
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
Why similar: Tower Defense 29.7%, Strategy 13%, Space Sim 12.7% ★, Base Building 8.7%, Resource Management 7.5%
Why You'll Like It: Features a similar humorous sci-fi tone combined with tower defense and base-building mechanics on a hostile planet.
- #3 Infested Planet
96% matchVery Positive94% of 3,014 reviews2014
Dev: Rocket Bear Games
Windows
Median: 3.1 hrsMean: 5.9 hrs≥1hr: 88%
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: Tower Defense 37.9%, Strategy 22.5%, RTS 20.4%, Sci-fi 6.1%, Action 4.9%
Why You'll Like It: A fast-paced RTS that focuses on defending against massive alien swarms, capturing the same frantic survival feel as Freaking Meatbags.
- #4 From Glory To Goo
95% matchOverwhelmingly Positive97% of 1,455 reviews2024
Dev: Stratagem Blue
Windows
Median: 4.0 hrsMean: 16.4 hrs≥1hr: 69%
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.
Why similar: Tower Defense 24.1%, Real-Time with Pause 19.1% ★, RTS 14.4%, Colony Sim 12% ★, Strategy 8%
Why You'll Like It: An action-RTS that tasks you with building a base and managing resources while defending against an encroaching, relentless alien threat.
- #5 Protolife
94% 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 36.3%, RTS 20.9%, Strategy 13.2%, Base Building 10.7%, Pixel Graphics 7.9%
Why You'll Like It: A tactical tower defense game with pixel graphics that emphasizes efficient base construction and resource gathering under pressure.
- #6 They Are Billions
94% matchVery Positive85% of 50,609 reviews2019
Dev: Numantian Games
Windows
Median: 14.1 hrsMean: 56.0 hrs≥1hr: 91%
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
Why similar: Tower Defense 22%, Colony Sim 17.8% ★, RTS 15.9%, Base Building 13%, Strategy 11.5%
Why You'll Like It: The gold standard for base-building survival, requiring careful resource management and strategic defense against massive waves of enemies.
- #7 McDROID
93% 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 35.1%, RTS 15.7%, Robots 15.7%, Strategy 11.9%, Base Building 10.7%
Why You'll Like It: Features a robot protagonist and tower defense mechanics that feel very similar to the core gameplay loop of the seed game.
- #8 Alien Marauder
92% 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 20%, RTS 15%, Colony Sim 13.9% ★, Strategy 9.5%, Robots 9.4%
Why You'll Like It: A survival-focused RTS that emphasizes base construction and defending against alien threats in a sci-fi environment.
- #9 Creeper World 3: Arc Eternal
91% matchOverwhelmingly Positive96% of 4,761 reviews2014
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 7.4 hrsMean: 77.0 hrs≥1hr: 78%
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.
Why similar: Tower Defense 54.3%, Strategy 12.9%, Real-Time with Pause 11.5% ★, RTS 10%, Sci-fi 3.9%
Why You'll Like It: A classic strategy-tower defense hybrid that requires constant adaptation and resource management to survive.
- #10 Dungeon of the ENDLESS™
90% matchVery Positive85% of 13,956 reviews2014
Dev: AMPLITUDE Studios
Windows · Mac
Median: 3.1 hrsMean: 10.6 hrs≥1hr: 73%
Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...
Why similar: Tower Defense 44.4%, Strategy 20.4%, Pixel Graphics 9.7%, Sci-fi 8.6%, Resource Management 6.7%
Why You'll Like It: Blends tower defense, base management, and survival with a quirky sense of humor and a sci-fi setting.
- #11 Diplomacy is Not an Option
89% matchVery Positive85% of 11,517 reviews2024
Dev: Door 407
Windows
Median: 3.6 hrsMean: 9.7 hrs≥1hr: 82%
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?
Why similar: Colony Sim 20.3% ★, Tower Defense 18.5%, Real-Time with Pause 15.6% ★, RTS 11.4%, Base Building 11.2%
Why You'll Like It: A humorous take on the base-defense genre that forces you to manage resources and build fortifications against thousands of attackers.
- #12 Death by Game Show
91% matchMostly Positive76% of 125 reviews2016
Dev: Oointah
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 96%
Death by Game Show is a frenetic strategy game where your reactions and decisions matter. There is no hand of god, instead you're dropped into the action against a 26th century chaos droidgasm. Prove your smarts, win your freedom, and survive Death by Game Show.
Why similar: Strategy 42.3%, Tower Defense 31.6%, Action 14%, Indie 12%
Why You'll Like It: Captures the comedic, satirical tone of Freaking Meatbags while offering a unique strategy-action gameplay loop.
- #13 Colony Siege
89% matchVery Positive93% of 257 reviews2020
Dev: Finifugal Games
Windows
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Why similar: Strategy 35.3%, Tower Defense 34.6%, RTS 14.7%, Sci-fi 6.5%, Base Building 4.5%
Why You'll Like It: A robust mix of tower defense and RTS mechanics that focuses on defending human colonies from alien forces.
- #14 Planetbase
88% matchMostly Positive80% of 10,262 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: Colony Sim 30% ★, Strategy 16%, Base Building 15%, Survival 10.1%, Resource Management 6.7%
Why You'll Like It: Focuses on the survival and resource management aspects of building a base on a hostile planet, mirroring the seed game's setting.
- #15 Executive Assault 2
86% matchVery Positive83% of 1,726 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 4.0 hrsMean: 8.4 hrs≥1hr: 76%
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.
Why similar: RTS 25.6%, Space Sim 19.1% ★, Strategy 14.4%, Base Building 10.9%, Robots 10%
Why You'll Like It: Allows for direct base-building and RTS control, providing a deeper strategic layer for fans of sci-fi base defense.
- #16 MarZ: Tactical Base Defense
87% 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 40%, RTS 19.2%, Strategy 16.6%, Base Building 7.7%, Sci-fi 5.1%
Why You'll Like It: A tactical tower defense game set on Mars that emphasizes base layout and resource management during combat.
- #17 Illuminaria
86% 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: Tower Defense 30.2%, Colony Sim 13.4% ★, Strategy 13%, Robots 12.1%, Base Building 11.1%
Why You'll Like It: Combines base-building and resource management with tower defense elements in a unique, stylized sci-fi world.
- #18 Artificial Extinction
85% matchMostly Positive76% of 262 reviews2020
Dev: 100Hr Games Inc
Windows
You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses.
Why similar: Tower Defense 46.8%, Strategy 20.2%, Sci-fi 7.4%, Action 7.3%, Resource Management 6.3%
Why You'll Like It: An action-oriented strategy game where you must defend your base against rogue AI, fitting the robot-themed survival of the seed game.
- #19 Radiant Defense
84% matchVery Positive83% of 146 reviews2014
Dev: Hexage
Windows
MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!
Why similar: Tower Defense 55.1%, Strategy 22.9%, Indie 6.2%, Action 5.5%, Pixel Graphics 5.3%
Why You'll Like It: A colorful, sci-fi tower defense game that focuses on strategic placement and resource management.
- #20 HYPERNOVA: Escape from Hadea
84% matchVery Positive80% of 82 reviews2017
Dev: ActaLogic
Windows · Mac · Linux
A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.
Why similar: Tower Defense 30.7%, Colony Sim 18.1% ★, RTS 17.1%, Strategy 10.9%, Base Building 7.8%
Why You'll Like It: A colony-sim and tower defense hybrid that tasks you with building a base to escape a dying planet.
- #21 Phoenix Hope
83% matchMixed61% of 170 reviews2021
Dev: Honorable Pixel
Windows
Phoenix Hope is a pixel art 2D real-time, side-view strategy game in which you must develop your colony during the day and repel waves of monsters at night.
Why similar: Tower Defense 25.1%, Colony Sim 14.7% ★, Strategy 13%, RTS 12.6%, Base Building 8.5%
Why You'll Like It: A survival-strategy game with pixel graphics that tasks you with managing a base and gathering resources in a hostile world.
- #22 The White Laboratory
82% matchMostly Positive78% of 361 reviews2019
Dev: Laboratory Systems
Windows
The White Laboratory is a sandbox style physics-based tower defense and RTS game in which you modularly build and command robotic structures. Use them to defend against or conquer other disobedient mechanical blocks on a facility floating in the atmosphere of a remote gas planet.
Why similar: Tower Defense 34.5%, Strategy 23.5%, Real-Time with Pause 17.8% ★, RTS 12.1%, Indie 7%
Why You'll Like It: A physics-based tower defense game that offers a unique strategic experience with a focus on base construction.
- #23 8-Bit Armies
82% matchVery Positive82% of 2,459 reviews2016
Dev: Petroglyph
Windows
Median: 4.6 hrsMean: 7.8 hrs≥1hr: 84%
8-Bit Armies is a retro Real-Time Strategy game. With a colorful, blocky voxel art style, 8-Bit Armies is Petroglyph's most fast-paced, friendly, and accessible RTS game to date. Featuring a campaign of 25 single-player missions, 12 co-op missions, multiplayer and skirmish modes.
Why similar: Strategy 38.5%, RTS 34.7%, Pixel Graphics 9.9%, Base Building 8.2%, Indie 7.2%
Why You'll Like It: Provides a lighthearted, humorous take on the RTS genre that is easy to pick up and play, much like Freaking Meatbags.
- #24 Space Run
81% matchVery Positive85% of 2,123 reviews2014
Dev: Passtech GamesPub: Focus Entertainment
Windows · Mac · Linux
Median: 5.1 hrsMean: 7.2 hrs≥1hr: 93%
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
Why similar: Tower Defense 67.6%, Strategy 20.5%, Sci-fi 6.8%, Indie 3.8%, Action 1.3%
Why You'll Like It: A unique tower defense game that takes place on a moving ship, requiring constant resource management and tactical defense.
- #25 Tooth and Tail
81% matchMostly Positive80% of 4,111 reviews2017
Dev: Pocketwatch Games
Windows · Mac · Linux
Median: 2.9 hrsMean: 4.9 hrs≥1hr: 78%
Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!
Why similar: RTS 44%, Strategy 31.9%, Pixel Graphics 12.8%, Indie 5.8%, Action 5.4%
Why You'll Like It: A streamlined RTS designed for quick, strategic matches that emphasizes unit management and base defense.
- #26 Bot Wars
80% matchVery Positive86% of 728 reviews2021
Dev: Frompy GamesPub: Big Play Games
Windows
Bot Wars is an action RTS about managing a squad of kill-bots and their bases as you work to take over all the capture points across the map. Featuring corporate kill bot armies, ranging from a firearms and beverage manufacturer to a lovecraftian burger cult.
Why similar: Robots 36.6%, Strategy 33.7%, Sci-fi 18%, Action 11.7%
Why You'll Like It: An action-strategy game that focuses on robot combat and base defense, providing a similar sci-fi aesthetic.
- #27 RimWorld
78% matchOverwhelmingly Positive98% of 236,346 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 59.1 hrsMean: 259.4 hrs≥1hr: 92%
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Why similar: Colony Sim 33.1% ★, Base Building 17.7%, Strategy 15.6%, Survival 12.6%, Sci-fi 9.9%
Why You'll Like It: While more complex, it offers the ultimate experience in managing quirky characters in a sci-fi survival base-building scenario.
- #28 Craft The World
79% matchVery Positive88% of 16,818 reviews2014
Dev: Dekovir EntertainmentPub: Dekovir Ltd
Windows · Mac
Median: 7.2 hrsMean: 38.5 hrs≥1hr: 89%
Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress. Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need.
Why similar: Colony Sim 35.7% ★, Building 16.3%, Strategy 14.8%, Tower Defense 12.9%, Survival 11.4%
Why You'll Like It: Focuses on managing a group of units to build a base and gather resources, sharing the 'manage your minions' aspect of the seed game.
- #29 Kingdom Two Crowns
78% matchVery Positive90% of 37,612 reviews2018
Dev: Stumpy🐙SquidPub: Raw Fury
Windows · Mac · Linux
Median: 6.5 hrsMean: 18.6 hrs≥1hr: 92%
Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.
Why similar: Tower Defense 42.7%, Colony Sim 15.8% ★, Strategy 11.5%, Base Building 9.2%, Building 8.3%
Why You'll Like It: A side-scrolling strategy game that focuses on base building and resource management to defend against nightly attacks.
- #30 Nonentity Galaxy
75% matchVery Positive95% of 493 reviews2026
Dev: Brick-Up StudioPub: 2P Games
Windows
Fight, Scavenge, Survive, and File Your Taxes. A grim yet hilarious space strategy roguelite where you must balance hull integrity against your company's relentless profit margins. Warning: Contains lethal doses of dark humor and corporate exploitation.
Why similar: Space Sim 28.8% ★, Strategy 22.8%, Resource Management 16.8%, Sci-fi 14.2%, Pixel Graphics 11.8%
- #31 Bionic Dues
79% matchMostly Positive75% of 993 reviews2013
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.3 hrsMean: 4.9 hrs≥1hr: 93%
Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.
Why similar: Strategy 51.8%, Robots 21.7%, Sci-fi 14.8%, Indie 11.8%
Why You'll Like It: A tactical, robot-themed strategy game that emphasizes survival and base defense against waves of enemies.
- #32 Dig or Die
76% matchVery Positive90% of 4,268 reviews2018
Dev: Gaddy Games
Windows
Median: 4.2 hrsMean: 12.3 hrs≥1hr: 85%
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.
Why similar: Tower Defense 34.6%, Survival 19.3%, Strategy 14%, Base Building 9.7%, Building 8.4%
- #33 CARNAGE OFFERING Tower Defense
76% matchVery Positive90% of 306 reviews2023
Dev: FuturtechPub: Nova's Army
Windows
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
Why similar: Tower Defense 51.9%, RTS 25.9%, Strategy 19%, Action 1.7%, Indie 1.5%
- #34 Dome Keeper
74% 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 49.3%, Sci-fi 15.3%, Resource Management 14.8%, Pixel Graphics 10.9%, Action 9.7%
- #35 Dark Moon
75% matchMixed49% of 150 reviews2025
Dev: Jujubee S.A.Pub: 101XP
Windows
Dark Moon is a survival strategy game where in order to survive you must avoid the Sun’s scorching rays and embrace the darkness. Gather resources, upgrade your mobile base, make tough moral decisions, but most importantly - don’t go into the light!
Why similar: Colony Sim 23.6% ★, RTS 20.2%, Base Building 13.6%, Strategy 13.2%, Resource Management 11.5%
- #36 Trashed
77% matchMixed47% of 147 reviews2021
Dev: Josh PresseisenPub: Crescent Moon Games
Windows
Take over a disfunctional Waste Management Facility on a distant planet. Build incinerators, recyclers, robots, turrets, and more. Battle vicious creatures on the planet's surface with powerful weapons!
Why similar: Strategy 34.1%, Action 19%, Indie 15.9%, Resource Management 9.2%, Base Building 7.9%
- #37 The Colonists
74% matchVery Positive86% of 1,205 reviews2018
Dev: CodebyfirePub: Mode 7
Windows · Mac · Linux
Median: 4.0 hrsMean: 13.0 hrs≥1hr: 85%
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.
Why similar: Colony Sim 26.3% ★, Robots 20%, Strategy 13.3%, Building 11.8%, Base Building 11.6%
- #38 Drill Core
71% 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 36.5%, Colony Sim 20.8% ★, Strategy 16.1%, Base Building 9.5%, Sci-fi 5.5%
- #39 Space Raiders in Space
73% matchVery Positive95% of 152 reviews2020
Dev: Apollo Interactive S.L.Pub: Destructive Creations
Windows
Median: 1.5 hrsMean: 12.4 hrs≥1hr: 58%
Space Raiders in Space is a wave defense roguelike mixing squad management and tower defence mechanics. Command your almost competent crew to loot weapons and supplies, build defenses, and fight their way through the Bugpocalypse.
Why similar: Tower Defense 41.1%, RTS 20.6%, Strategy 17.7%, Sci-fi 9.7%, Action 5.8%
- #40 Rogue Station
73% matchMostly Positive78% of 228 reviews2023
Dev: Quint Studio
Windows
This "space station builder simulation roguelite" puts you in charge of a space station. Fight off enemy ships, fleets and rival stations to dominate your corner of space. Build and upgrade your station, hire and manage your crew. Survive as long as you can.
Why similar: Strategy 28.2%, Base Building 22.8%, Building 18%, Survival 14.9%, Pixel Graphics 8.2%
- #41 Prospector
72% 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: Robots 19.9%, Base Building 13.7%, Resource Management 13.1%, Strategy 13%, Building 10.8%
- #42 Ascent of Ashes
72% matchMostly Positive71% of 294 reviews2025
Dev: Vivid Storm Interactive
Windows
A colony sim set in a post-apocalyptic dystopia. Build and defend your base. Manage your survivors. Engage raiders, aliens, Remnant soldiers and other factions in real-time-with-pause combat. Or use stealth to outwit them. Explore the massive world. Survive at all costs
Why similar: Colony Sim 32.3% ★, Strategy 22.3%, Base Building 17.7%, Survival 14.1%, Building 13.6%
- #43 Dinky Guardians
73% matchVery Positive81% of 107 reviews2023
Dev: Endless Loop Studios
Windows · Mac · Linux
The Goal: Repopulate the entire Galaxy with Dinkys, keep them safe, and fully automate everything!
Why similar: Colony Sim 31.8% ★, Base Building 16.2%, Resource Management 14.9%, Building 12.5%, Survival 10.5%
- #44 Spacebase DF-9
77% matchOverwhelmingly Negative18% of 4,324 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Strategy 27.5%, Base Building 24%, Sci-fi 19.2%, Building 13.1%, Survival 8.9%
- #45 ITER-8
71% matchMostly Positive78% of 156 reviews2026
Dev: fluckyMachinePub: Fireshine Games
Windows
Welcome to the surface, ITER employee #8. Mine the Pillar, upgrade your tools, defend your base, reach the top... or die miserably. Each expendable worker pushes the mission forward - one glorious, replaceable iteration at a time.
Why similar: Tower Defense 49.9%, Strategy 19%, Resource Management 15.8%, Sci-fi 10%, Action 5.3%
- #46 Here Comes The Swarm
69% matchVery Positive88% of 161 reviews2026
Dev: CableHook Games
Windows
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
Why similar: Tower Defense 21.5%, Real-Time with Pause 18.5% ★, RTS 14.6%, Colony Sim 13.8% ★, Strategy 10.2%
- #47 Stellar Initiative
70% 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 49.4%, Strategy 17.4%, Base Building 10.6%, Sci-fi 10.5%, Pixel Graphics 8.7%
- #48 Startopia
71% matchVery Positive90% of 962 reviews2013
Dev: My Little Planet Ltd
Windows
Median: 30 minMean: 9.0 hrs≥1hr: 39%
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Why similar: Real-Time with Pause 24.7% ★, Colony Sim 19.6% ★, RTS 19%, Strategy 15.5%, Base Building 12%
- #49 Salvagers
69% matchVery Positive80% of 50 reviews2025
Dev: Tomasz Banaś
Windows · Linux
In Salvagers, you command a small crew of greedy explorers that land on abandoned space stations that litter the galaxy, and it's your job to loot them for anything worth a credit. Scrap tech, lost weapons, forgotten treasures - everything has a price.
Why similar: RTS 32.7%, Strategy 25%, Robots 15.1%, Pixel Graphics 11.2%, Action 9.1%
- #50 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: Colony Sim 23% ★, Base Building 13.8%, RTS 13.4%, Strategy 13.2%, Resource Management 11.7%
- #51 Basement
70% matchMostly Positive70% of 2,215 reviews2019
Dev: Halfbus
Windows · Mac · Linux
Median: 4.2 hrsMean: 5.9 hrs≥1hr: 88%
Basement is a strategy game, where you start doing illegal business to fund the development of your dream video game. It won't be easy, so get ready to deal with other gangs, cops, crazy junkies, mysterious investor and even ghosts from the past.
Why similar: RTS 22.2%, Strategy 20.9%, Base Building 15.9%, Resource Management 13.8%, Building 11.9%
- #52 Autonauts vs Piratebots
69% matchMostly Positive78% of 514 reviews2022
Dev: DenkiPub: Curve Games
Windows
Median: 4.5 hrsMean: 6.3 hrs≥1hr: 92%
Create, automate and defend an impenetrable base. Assemble and command a Bot army to combat an entire Piratebot invasion. Build, program and battle your way through five different zones.
Why similar: Strategy 29.1%, Colony Sim 28.3% ★, Robots 16.5%, Building 14.5%, Base Building 7.6%
- #53 Project Astra Dominium
68% matchVery Positive90% of 88 reviews2024
Dev: Snob Entertainment UG
Windows · Mac · Linux
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Why similar: Tower Defense 46.4%, Strategy 15.4%, Base Building 13.9%, Resource Management 10.5%, Sci-fi 8.5%
- #54 Until We Die
68% matchMixed64% of 4,581 reviews2021
Dev: Pixeye Games
Windows
Median: 5.5 hrsMean: 15.1 hrs≥1hr: 83%
Until We Die is a side-scrolling strategy game about defending your base where you have to run around as Ivan, assign tasks to people, and fight mutants in the post-apocalyptic subway!
Why similar: Tower Defense 30.5%, Colony Sim 15.3% ★, Strategy 15.2%, Base Building 11%, Survival 10.2%
- #55 Farlight Explorers
70% 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: Strategy 47.1%, Building 35.1%, Indie 17.9%
- #56 Reshaping Mars
66% matchVery Positive85% of 831 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: RTS 25%, Colony Sim 19.7% ★, Strategy 16.7%, Base Building 13.3%, Building 10.2%
- #57 IDUN - Frontline Survival
65% 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 31.2%, RTS 18.2%, Strategy 12%, Building 10.5%, Base Building 9.4%
- #58 Particle Fleet: Emergence
66% matchVery Positive92% of 1,261 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.7 hrsMean: 24.9 hrs≥1hr: 76%
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Why similar: Strategy 28.8%, RTS 21.4%, Real-Time with Pause 21.2% ★, Tower Defense 12.6%, Indie 7.3%
- #59 Oxygen Not Included
63% matchOverwhelmingly Positive97% of 138,890 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 67.7 hrs≥1hr: 86%
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Why similar: Colony Sim 32.4% ★, Base Building 17.1%, Survival 12.4%, Resource Management 12%, Strategy 8.5%
- #60 ROD: Revolt Of Defense
67% matchMostly Positive80% of 546 reviews2016
Dev: Rock Wale
Windows
Median: 2.7 hrsMean: 4.0 hrs≥1hr: 85%
Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform. Attack or defend against enemies and save the universe!
Why similar: Strategy 65.1%, Action 19.1%, Indie 15.8%