- #1 Codex of Victory
97% matchMixed69% of 397 reviews2017
Dev: Ino-Co PlusPub: AKPublish pty ltd
Windows · Mac · Linux
Median: 4.8 hrsMean: 6.1 hrs≥1hr: 96%
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!
Why similar: Mechs 32% ★, Wargame 27%, Base Building 17%, Strategy 8.7%, Sci-fi 6.9%
- #2 ReEarth
96% matchMostly Positive76% of 117 reviews2024
Dev: Jiangzuogongfang Shanghai Game Co.,Ltd
Windows
ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!
Why similar: Wargame 26.7%, RTS 21.6%, Mechs 21% ★, Strategy 9.1%, War 5.8%
- #3 Element
96% matchMixed68% of 50 reviews2018
Dev: Flightless
Windows · Mac · Linux
Median: 4.0 hrsMean: 6.7 hrs≥1hr: 91%
Element is a realtime strategy space game for people who don't have time to play realtime strategy space games. Generate energy, mine element, build attack and defence units, and destroy the enemy while maintaining a balance between earth, air and water.
Why similar: Wargame 23%, RTS 22%, Base Building 14.4%, Strategy 8.4%, War 7.6%
- #4 Grey Goo
95% matchMixed68% of 4,315 reviews2015
Dev: PetroglyphPub: Six Foot
Windows
Median: 5.2 hrsMean: 8.8 hrs≥1hr: 90%
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.
Why similar: RTS 37.3%, Mechs 21.1% ★, Strategy 15.8%, Base Building 14.3%, Sci-fi 9.6%
- #5 Annihilate The Spance
94% matchVery Positive91% of 338 reviews2025
Dev: Skyglow Softworks
Windows
The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses. An RTS base builder with huge battles, constant production, and autonomous ships.
Why similar: RTS 27.1%, Base Building 25.7%, Strategy 9.1%, War 8.7%, Military 7.8%
- #6 BlackChain
94% matchVery Positive86% of 120 reviews2021
Dev: Borington
Windows
A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.
Why similar: RTS 28.4%, Base Building 23.8%, Strategy 10.4%, Sci-fi 9.3%, War 9%
- #7 Drill Core
91% 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: Base Building 45.1%, Strategy 28.7%, Sci-fi 12.9%, Building 8.2%, Resource Management 5.1%
- #8 Alien Marauder
93% 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: Wargame 24%, RTS 19.2%, Base Building 15.8%, Military 9.1%, Strategy 7.5%
- #9 Xeno Command
92% matchVery Positive84% of 55 reviews2022
Dev: ChillyRoomPub: ChillyRoom
Windows
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Why similar: Wargame 28.2%, Mechs 25.7% ★, RTS 17%, Base Building 12.3%, Strategy 7.1%
- #10 Mineral Defense
91% 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: Base Building 41.4%, Strategy 22.1%, Sci-fi 11.1%, 3D 7.3%, Casual 7.3%
- #11 Retro Commander
89% matchMostly Positive77% of 355 reviews2023
Dev: Noble Master LLC
Windows · Mac · Linux
Median: 42 minMean: 8.3 hrs≥1hr: 44%
Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).
Why similar: Wargame 24.3%, Mechs 23.6% ★, RTS 18.6%, Base Building 15.5%, Strategy 8.1%
- #12 Mech Engineer
89% matchMostly Positive75% of 902 reviews2024
Dev: KiberKrekerPub: MicroProse Software
Windows
Median: 1.0 hrsMean: 6.8 hrs≥1hr: 50%
A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.
Why similar: Mechs 61.6% ★, RTS 14.9%, Strategy 9.8%, Resource Management 6.1%, Building 6%
- #13 Molten Armor
90% matchMixed62% of 60 reviews2017
Dev: Brutal Muse
Windows
Molten Armor is an action tower defense game with a non-linear story in sci-fi setting! Command defenses and stop hordes of enemies! Fight on land, sea and in the skies!Decisions taken in the heat of battle will change the course of the war.
Why similar: Wargame 32%, RTS 25.7%, Strategy 11.6%, Sci-fi 7.5%, War 6.7%
- #14 Frontline Crisis
88% matchVery Positive89% of 370 reviews2024
Dev: BCQTPub: Gamersky Games
Windows
Median: 1.2 hrsMean: 4.0 hrs≥1hr: 57%
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!
Why similar: Mechs 40.7% ★, RTS 29.5%, Strategy 11.3%, Base Building 10.4%, Resource Management 4.2%
- #15 Space Cycle
87% 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: Strategy 47.2%, Sci-fi 37.2%, Casual 8.1%, Indie 5.1%, Singleplayer 2.4%
- #16 Repel The Rifts
86% matchVery Positive86% of 313 reviews2025
Dev: RefinedBearGamesPub: Goblinz Publishing
Windows · Linux
Repel the Rifts is a roguelite tower defense game where you lead a commander through an alien world, uncovering new terrain each wave, drafting powerful upgrades, and constructing defenses to hold back the chaos.
Why similar: Mechs 68.9% ★, Sci-fi 13.2%, Strategy 11.7%, Resource Management 4.8%, Indie 0.9%
- #17 WARSHIFT
86% matchMostly Positive71% of 697 reviews2016
Dev: Cyril Megem
Windows
Median: 2.5 hrsMean: 3.6 hrs≥1hr: 78%
Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.
Why similar: RTS 40.9%, Mechs 27% ★, Strategy 20.3%, Sci-fi 9.5%, Indie 2.3%
- #18 Industries of Titan
85% matchMixed63% of 1,604 reviews2023
Dev: Brace Yourself Games
Windows
Median: 5.4 hrsMean: 14.0 hrs≥1hr: 84%
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!
Why similar: Base Building 35.6%, Strategy 18.9%, Sci-fi 13.7%, Building 11.7%, Resource Management 11%
- #19 Expand & Exterminate: Terrytorial Disputes - Endless Base Defense
84% 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: Wargame 28.9%, Mechs 25% ★, RTS 18.8%, Base Building 11.1%, Strategy 7.5%
- #20 Planetary Annihilation: TITANS
83% matchVery Positive85% of 14,430 reviews2015
Dev: Planetary Annihilation Inc
Windows · Mac · Linux
Median: 3.9 hrsMean: 17.4 hrs≥1hr: 73%
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
Why similar: RTS 28.2%, Mechs 20.7% ★, Base Building 17.1%, Strategy 10.6%, War 7.8%
- #21 Escape Gaia
82% matchMostly Positive72% of 53 reviews2024
Dev: Current Games
Windows
you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself.
Why similar: Base Building 33.8%, Strategy 27.9%, Futuristic 11.8%, Casual 10.5%, Building 9.7%
- #22 Project Astra Dominium
82% 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: Base Building 42.4%, Strategy 17.6%, Sci-fi 12.9%, Futuristic 9.1%, Resource Management 8.9%
- #23 Tower Dominion
79% 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: RTS 26.8%, Base Building 25.2%, Strategy 12.3%, Military 8.6%, War 6.6%
- #24 Mechs & Mercs: Black Talons
84% matchMixed43% of 162 reviews2015
Dev: Camel 101
Windows
Median: 3.6 hrsMean: 4.7 hrs≥1hr: 94%
You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.
Why similar: Mechs 25.4% ★, Wargame 25.3%, RTS 16.7%, Military 6.5%, Strategy 6.2%
- #25 Kaiju Wars
81% matchMostly Positive77% of 269 reviews2022
Dev: Foolish Mortals Games
Windows · Mac · Linux
Median: 2.0 hrsMean: 3.7 hrs≥1hr: 68%
Play out a Kaiju movie as the (hopelessly) outclassed military in this stylish 2D turn-based strategy game. Construct buildings and defend your city with cannon-fodder tanks, jets and more as the devastating kaiju grow in power with every attack.
Why similar: Mechs 52.6% ★, Base Building 23.4%, Strategy 12.4%, Sci-fi 10.8%, Singleplayer 0.8%
- #26 Calyx
79% matchVery Positive89% of 308 reviews2026
Dev: Studio 568
Windows
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
Why similar: RTS 28.5%, Base Building 24.6%, Strategy 11.3%, Sci-fi 9.8%, Top-Down 8.4%
- #27 StarFringe: Adversus
81% matchMixed65% of 231 reviews2023
Dev: CasualogicPub: Conglomerate 5
Windows
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
Why similar: RTS 27.5%, Wargame 23.8%, Base Building 23.3%, Strategy 11.8%, Top-Down 5.2%
- #28 Galaxy Defense War
78% 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: Base Building 44.9%, Strategy 35.8%, Building 12.3%, Casual 4.6%, Indie 1.7%
- #29 Exogate Initiative
78% matchMostly Positive76% of 699 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: Base Building 27.4%, RTS 26.6%, Strategy 13%, Sci-fi 9.8%, Building 8.5%
- #30 Starport Delta
80% 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: Strategy 28%, RTS 22.5%, Base Building 22.2%, Sci-fi 8.3%, Building 6.2%
- #31 Rogue Command
76% matchVery Positive92% of 546 reviews2024
Dev: feneq
Windows
Classic RTS gameplay fused with a modern roguelite. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Why similar: RTS 26.7%, Base Building 21.8%, Military 12.2%, Strategy 10.6%, Sci-fi 9.1%
- #32 Mech Armada
77% matchVery Positive81% of 679 reviews2022
Dev: Lioncode Games
Windows
Median: 3.1 hrsMean: 7.9 hrs≥1hr: 66%
Create and command custom Mechs to outmaneuver The Swarm in this post-apocalyptic tactical turn-based rogue-lite. Leverage the terrain, learn each Mech's unique skills and use strategy and resources to survive an ever-changing series of battles to give humanity hope.
Why similar: Mechs 68.3% ★, Strategy 15.2%, Sci-fi 12%, 3D 3.8%, Singleplayer 0.7%
- #33 MoonBase Commander
77% matchVery Positive89% of 180 reviews2014
Dev: Humongous EntertainmentPub: Rebellion
Windows
Median: 2.9 hrsMean: 4.7 hrs≥1hr: 94%
Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.
Why similar: Strategy 100%
- #34 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: Base Building 48%, Strategy 21%, Building 14.1%, Resource Management 11.4%, Casual 3%
- #35 IDUN - Frontline Survival
74% 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: Wargame 32.6%, RTS 17.1%, Base Building 14.8%, Strategy 7%, Building 6.5%
- #36 Taur
75% 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: Base Building 29.2%, RTS 22.9%, Strategy 20.2%, Sci-fi 9.5%, War 6.4%
- #37 Oasis Mission: Colony Sim
74% matchMixed63% of 114 reviews2025
Dev: Lunar pug studio
Windows · Mac
A Sci-Fi colony and strategy sim with a complex economy, immersive logistics, and a war against the rise of the machines! Build your colony and ensure supplies for your people. Automate industrial ships and create combat groups to defend against waves of enemies.
Why similar: Wargame 30.4%, RTS 20.3%, Base Building 18.5%, Strategy 9%, Sci-fi 6.8%
- #38 MegaFactory Titan
75% 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: Base Building 40.6%, Building 14.6%, Sci-fi 12.8%, Strategy 12.4%, Resource Management 10.9%
- #39 One-inch Tactics
73% matchVery Positive94% of 89 reviews2024
Dev: KOGADO STUDIOPub: KOMODO
Windows
Turn the tide of the war with nuanced strategies in One-inch Tactics, introducing players to a unique turn-based strategy experience.
Why similar: Mechs 44.7% ★, Wargame 34.5%, Strategy 10%, Sci-fi 7.2%, Futuristic 3.3%
- #40 Tempest Rising
70% matchVery Positive88% of 10,866 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 4.0 hrsMean: 10.1 hrs≥1hr: 84%
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
Why similar: RTS 50.7%, Strategy 19.4%, Base Building 14.8%, Wargame 6.2%, War 2.9%
- #41 Moduwar
72% matchVery Positive89% of 124 reviews2025
Dev: Biohex StudiosPub: Firesquid
Windows · Linux
Moduwar is an adaptive organic RTS where you control an alien creature, Modu - and your body is your army. Grow new organs, split, merge and mutate them into unique units that adapt to your needs as you fight against human and alien threats in single and multiplayer modes.
Why similar: Wargame 22.7%, RTS 22.3%, Base Building 18.6%, Strategy 8.8%, War 7.6%
- #42 Outpost: Infinity Siege
71% 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: Base Building 26.9%, RTS 25.7%, Military 13.6%, Strategy 11.1%, Sci-fi 9.9%
- #43 Final Upgrade
72% 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: Base Building 40.9%, Strategy 15.3%, Sci-fi 14.3%, Building 13.2%, Resource Management 9.6%
- #44 Armed to the Gears
73% matchMixed63% of 212 reviews2020
Dev: Deonn Games
Windows
Median: 3.3 hrsMean: 3.8 hrs≥1hr: 94%
Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!
Why similar: Mechs 37.8% ★, RTS 25.7%, Base Building 16.9%, Top-Down 7.7%, Sci-fi 5.4%
- #45 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: Mechs 45.3% ★, Base Building 24.5%, Strategy 14.9%, Sci-fi 11.9%, Building 3%
- #46 Siege of Centauri
73% 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: Base Building 41.6%, Strategy 20.6%, War 15.5%, Sci-fi 14.7%, 3D 7.6%
- #47 The Crust
68% 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: Base Building 36.6%, RTS 21.5%, Strategy 13.1%, Sci-fi 9.6%, Building 9%
- #48 Minimalist Tower Defense
67% matchVery Positive95% of 1,706 reviews2024
Dev: Happy213
Windows
Median: 2.3 hrsMean: 7.2 hrs≥1hr: 73%
Collect resources and establish a defense line before dark And then Facing countless enemies
Why similar: Wargame 37.2%, Base Building 23.3%, Strategy 14.6%, Top-Down 10.7%, Resource Management 4.9%
- #49 PERIMETER: Legate Edition
69% matchVery Positive92% of 139 reviews2024
Dev: K-D LabPub: Association K-D Lab
Windows · Linux
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: RTS 36.6%, Strategy 16.2%, Top-Down 11.6%, Base Building 10.6%, Sci-fi 9.6%
- #50 Earth 2160
71% matchMostly Positive73% of 1,542 reviews2006
Dev: Reality Pump StudiosPub: Topware Interactive
Windows · Mac · Linux
Median: 4.9 hrsMean: 9.8 hrs≥1hr: 93%
After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.
Why similar: RTS 42.3%, Base Building 37.3%, Strategy 16.8%, Sci-fi 1.7%, Futuristic 1.1%
- #51 Protolife
70% 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: RTS 35.7%, Base Building 30.2%, Strategy 14%, Sci-fi 10.6%, Top-Down 7.1%
- #52 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: Base Building 33.6%, Strategy 16.9%, Top-Down 13.3%, Sci-fi 13.2%, Building 10.7%
- #53 Stellarcraft
66% 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 35.1%, RTS 30.3%, Strategy 18.2%, Sci-fi 11%, Casual 4.6%
- #54 Operation: New Earth
71% matchMixed61% of 819 reviews2016
Dev: Hunted Cow Games
Windows · Mac
Median: 2.4 hrsMean: 36.1 hrs≥1hr: 63%
Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!
Why similar: Strategy 66.2%, Sci-fi 21.7%, Futuristic 12%
- #55 Super Sanctum TD
69% 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: Strategy 32.7%, Sci-fi 23.8%, Futuristic 17.3%, Casual 11.5%, Top-Down 9.2%
- #56 2112TD: Tower Defense Survival
67% 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: Strategy 38.5%, Sci-fi 32.1%, Top-Down 27.1%, Singleplayer 2.3%
- #57 ReFactory
68% 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: Base Building 50.9%, Strategy 34.9%, Casual 10.1%, Indie 3.2%, Singleplayer 0.9%
- #58 Outpost
67% 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: Base Building 46.2%, Casual 25.3%, Building 17%, Resource Management 10.5%, Singleplayer 1.1%
- #59 Harvest: Massive Encounter
69% matchMostly Positive79% of 159 reviews2009
Dev: Oxeye Game Studio
Windows · Mac · Linux
Median: 1.2 hrsMean: 3.9 hrs≥1hr: 54%
Harvest: Massive Encounter is an award-winning real-time strategy game with battles of epic proportions and a unique style of resource management and exploration. Build power plants, mineral harvesters and defense towers and make sure they have sufficient energy to fend off endless hordes of evil aliens.
Why similar: Strategy 69%, Sci-fi 20.6%, Indie 9.1%, Singleplayer 1.4%
- #60 Stickman Trenches
65% matchVery Positive80% of 1,695 reviews2023
Dev: Big Play Games
Windows · Mac
Median: 1.5 hrsMean: 2.7 hrs≥1hr: 58%
Stickman Trenches is a Real Time Strategy game in which you need to manage your men and weapons and build up your defenses in the brutal trenches of Stick World War 1.
Why similar: Wargame 42.1%, Strategy 19.5%, Military 13.1%, War 10.9%, Base Building 9.6%