- #1 Tower Dominion
97% matchVery Positive86% of 5,010 reviews2025
Dev: Parallel 45 Games
Windows
Median: 11.7 hrsMean: 21.8 hrs≥1hr: 89%
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 44.2%, Tactical 11%, Aliens 10.7%, Building 10.5%, Strategy 9.8%
- #2 DG2: Defense Grid 2
96% matchVery Positive86% of 3,392 reviews2014
Dev: Hidden Path Entertainment
Windows
Median: 5.9 hrsMean: 11.3 hrs≥1hr: 89%
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Why similar: Tower Defense 23.7%, Aliens 12.7%, Real Time Tactics 12.3%, Online Co-Op 8.9%, Sci-fi 8.7%
- #3 Axon TD: Uprising - Tower Defense
96% matchVery Positive87% of 751 reviews2024
Dev: Element Studios
Windows
Median: 3.5 hrsMean: 9.6 hrs≥1hr: 72%
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.
Why similar: Tower Defense 30.9%, Real Time Tactics 16.7%, Online Co-Op 13.1%, Sci-fi 9.1%, Tactical 7.5%
- #4 Creeper World 4
95% matchVery Positive95% of 4,652 reviews2020
Dev: Knuckle Cracker
Windows
Median: 12.4 hrsMean: 29.9 hrs≥1hr: 88%
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.
Why similar: Tower Defense 33.1%, Real Time Tactics 18.4%, Building 11.1%, Sci-fi 9%, Strategy 7.4%
- #5 2112TD: Tower Defense Survival
94% matchVery Positive88% of 435 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 28.4%, Dystopian 13.3%, Aliens 12.6%, Sci-fi 10.1%, Survival 9.3%
- #6 Element TD 2 - Tower Defense
94% matchVery Positive90% of 3,196 reviews2021
Dev: Element Studios
Windows
Median: 3.2 hrsMean: 13.1 hrs≥1hr: 75%
Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements.
Why similar: Tower Defense 35.7%, Real Time Tactics 18.4%, Online Co-Op 9.4%, Multiplayer 8.6%, Strategy 7.6%
- #7 Defense Grid: The Awakening
93% matchOverwhelmingly Positive96% of 5,324 reviews2008
Dev: Hidden Path Entertainment
Windows
Median: 4.6 hrsMean: 15.0 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 70%, Sci-fi 9.4%, Strategy 9.3%, Aliens 6.6%, Futuristic 2.7%
- #8 X-Morph: Defense
92% matchVery Positive91% of 4,115 reviews2017
Dev: EXOR Studios
Windows
Median: 3.0 hrsMean: 5.5 hrs≥1hr: 85%
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
Why similar: Tower Defense 47.3%, Aliens 17.4%, Sci-fi 11.1%, Strategy 9.5%, Futuristic 9.5%
- #9 Creeper World 3: Arc Eternal
91% matchOverwhelmingly Positive96% of 4,794 reviews2014
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 7.4 hrsMean: 78.4 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 76.6%, Strategy 11.8%, Sci-fi 8.3%, Singleplayer 1.8%, Survival 1.6%
- #10 Taur
90% matchMostly Positive80% of 2,092 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 46.2%, Strategy 10.7%, Automation 10%, Real Time Tactics 9.2%, Sci-fi 8.9%
- #11 Artisan TD
89% matchVery Positive87% of 2,400 reviews2024
Dev: 4rtisansPub: Unexpected
Windows
Median: 2.7 hrsMean: 4.9 hrs≥1hr: 74%
Artisan TD is a puzzle-oriented Tower Defense game where you must survive by building mazes.
Why similar: Tower Defense 43.2%, Real Time Tactics 17.1%, Building 12.2%, Tactical 10.8%, Strategy 10.7%
- #12 Super Sanctum TD
89% matchVery Positive86% of 1,576 reviews2013
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows · Mac
Median: 1.9 hrsMean: 33.6 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 50%, Aliens 17%, Sci-fi 10.3%, Futuristic 9.7%, Strategy 8.1%
- #13 TDS - Tower Defense Strategy
88% matchVery Positive81% of 363 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 33.3%, Action RTS 26.2% ★, Online Co-Op 13.3%, Building 9.9%, Multiplayer 7.7%
- #14 Outpost: Infinity Siege
87% matchMixed65% of 13,570 reviews2024
Dev: Team RangerPub: Lightning Games
Windows
Median: 16.5 hrsMean: 41.6 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: Tower Defense 29.8%, Automation 22.2%, Post-apocalyptic 11.5%, Sci-fi 10.5%, Survival 8.7%
- #15 Rogue Tower
86% matchVery Positive83% of 5,872 reviews2022
Dev: Die of Death Games
Windows
Median: 10.7 hrsMean: 20.3 hrs≥1hr: 91%
Rogue Tower is a tower defense game with roguelike elements and a continuously expanding path which you can influence. Unlock, build, upgrade, expand, defend.
Why similar: Tower Defense 69.8%, Strategy 14.2%, Building 6.3%, 3D 5%, Colorful 2.8%
- #16 Tower Tactics: Liberation
86% matchVery Positive88% of 1,237 reviews2023
Dev: asraworks
Windows
Median: 6.2 hrsMean: 17.0 hrs≥1hr: 88%
We fused deck-building roguelikes and tower defenses in a way never seen before - deploy your towers, collect valuable trinkets and cast powerful spells to defend yourself against the Salkoth!
Why similar: Tower Defense 60.2%, Sci-fi 15.1%, Strategy 11.4%, Tactical 9.8%, Singleplayer 3.5%
- #17 Legion TD 2 - Multiplayer Tower Defense
85% matchVery Positive86% of 15,004 reviews2021
Dev: AutoAttack Games
Windows · Mac
Median: 11.8 hrsMean: 42.8 hrs≥1hr: 89%
An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players.
Why similar: Tower Defense 44.5%, Online Co-Op 15.6%, Multiplayer 10.2%, Sci-fi 9.1%, Strategy 8.9%
- #18 Survivor Challenge TD
84% 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 33.9%, Automation 25.5%, Tactical 9%, Strategy 7.3%, Combat 6.1%
- #19 Spirits of the Hellements - TD
83% matchVery Positive93% of 338 reviews2022
Dev: Hippo Rider Games
Windows
Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.
Why similar: Tower Defense 44.8%, Real Time Tactics 13.1%, Strategy 11.8%, Tactical 10.8%, 3D 7.2%
- #20 Hexguardian
82% matchMostly Positive79% of 692 reviews2024
Dev: Split Second GamesPub: Yogscast Games
Windows
Median: 3.8 hrsMean: 9.2 hrs≥1hr: 77%
Hexguardian is a roguelite, tower defense game where you build your own maps with hexagonal tiles! Build and upgrade towers, recruit armies, learn spells, construct wonders and place hexagonal tiles to create a path to enhance your defenses. With plenty of game modes and talents to unlock!
Why similar: Tower Defense 52%, Tactical 15.9%, Strategy 12.6%, 3D 8.5%, Colorful 7.7%
- #21 Northend Tower Defense
82% matchMostly Positive74% of 1,417 reviews2024
Dev: Northend Games
Windows
Median: 1.4 hrsMean: 3.5 hrs≥1hr: 58%
Jump into a realtime strategy, action filled battlefield, deploy relentless soldiers, unlock powerful troops and vehicles, upgrade your army, decimate the enemy. If that's not enough, jump into a chaotic Zombie mode, with traps, fun upgrades, and a new gameplay!
Why similar: Tower Defense 30.9%, Action RTS 28.5% ★, Real Time Tactics 15.7%, Tactical 8.3%, Strategy 7.4%
- #22 Dungeon Warfare 3
81% matchMostly Positive79% of 648 reviews2025
Dev: Excidium Inc.
Windows · Mac
Forge invincible defenses with lethal traps and devious machines, and crush relentless waves of adventurers in the ultimate tower defense showdown!
Why similar: Tower Defense 57.8%, Building 15.4%, Strategy 12.8%, Real Time Tactics 9.8%, Singleplayer 2.1%
- #23 Siege of Centauri
84% matchMixed66% of 449 reviews2019
Dev: Stardock Entertainment
Windows
Median: 42 minMean: 5.9 hrs≥1hr: 43%
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 32.3%, Real Time Tactics 18.4%, Aliens 12.8%, Sci-fi 9.3%, Tactical 7.8%
- #24 Minimalist Tower Defense
79% matchVery Positive95% of 1,746 reviews2024
Dev: Happy213
Windows
Median: 2.3 hrsMean: 7.5 hrs≥1hr: 75%
Collect resources and establish a defense line before dark And then Facing countless enemies
Why similar: Tower Defense 40.1%, Real Time Tactics 19.9%, Post-apocalyptic 11.3%, Strategy 9.3%, Survival 8.7%
- #25 Age of Darkness: Final Stand
79% matchMostly Positive75% of 10,488 reviews2025
Dev: PlaySide
Windows
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 84%
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Why similar: Action RTS 28.1% ★, Tower Defense 27.1%, Building 8.5%, Survival 8.3%, Tactical 7.9%
- #26 PolyCore Defense
81% matchVery Positive90% of 58 reviews2022
Dev: TorksGame
Windows
PolyCore Defense is a tower defense game where you have to raise your defenses in order to defend your core. Build unique turrets, upgrade them with special effects and use abilities to survive waves of enemies that are trying to destroy your core!
Why similar: Tower Defense 49.8%, Strategy 11.6%, Building 7.6%, 3D 7%, Tactical 6.8%
- #27 Mindustry
78% matchOverwhelmingly Positive96% of 26,625 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 27.5 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Tower Defense 36.1%, Automation 29.3%, Strategy 8.3%, Building 7.9%, Online Co-Op 6.8%
- #28 Tangy TD
76% matchVery Positive92% of 1,348 reviews2026
Dev: Cakez
Windows
Median: 1.4 hrsMean: 3.6 hrs≥1hr: 56%
Strategic tower defense where you play a witch, place class-based towers, equip them with items that grant powerful abilities, combine them, create unique builds & deal ridiculous amounts of damage! Customize your builds with a deep stat system and giant skill tree!
Why similar: Tower Defense 54%, Strategy 12.2%, Tactical 12%, Survival 9%, Colorful 4.7%
- #29 Tower Wars
80% matchMostly Positive72% of 1,753 reviews2012
Dev: SuperVillain Studios
Windows · Mac
Median: 2.4 hrsMean: 6.8 hrs≥1hr: 88%
Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!
Why similar: Tower Defense 75%, Strategy 11.6%, Multiplayer 8.1%, Online Co-Op 3.3%, Action 1.3%
- #30 Throbax TD
78% matchMostly Positive74% of 50 reviews2022
Dev: Unterrainer Informatik OG
Windows
Median: 3.3 hrsMean: 5.3 hrs≥1hr: 86%
Throbax TD is the "Tower Defense" game you are looking for: Help Ughlar fight his way through 50 levels, buy over 100 upgrades and get all of the 50+ achievements.
Why similar: Tower Defense 29.2%, Action RTS 20.1% ★, Aliens 11%, Online Co-Op 10.7%, Sci-fi 9.3%
- #31 Creeper World IXE
77% matchMixed70% of 861 reviews2024
Dev: Knuckle Cracker
Windows
Median: 13.8 hrsMean: 14.9 hrs≥1hr: 86%
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
Why similar: Tower Defense 43.2%, Real Time Tactics 24.5%, Strategy 9%, Sci-fi 8.9%, Tactical 6.8%
- #32 Anomaly: Warzone Earth
77% matchVery Positive87% of 4,676 reviews2011
Dev: 11 bit studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 11.0 hrs≥1hr: 88%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 47.8%, Strategy 23.9%, Sci-fi 13.5%, Aliens 8.2%, Action 4.3%
- #33 XENOBREAKERS: Classic Tower Defense
75% matchVery Positive85% of 85 reviews2025
Dev: Couch Potato Studios
Windows
Defend Billy and his crew on their way to the extraction zone! You have been authorized to use the defense system. Protect them from giant bugs, malfunctioning droids and more...
Why similar: Sci-fi 19.9%, Strategy 18.6%, Aliens 17.2%, Tactical 12.4%, Tower Defense 8.2%
- #34 Mechs V Kaijus - Tower Defense
76% matchVery Positive84% of 538 reviews2022
Dev: Doble Punch Games
Windows
Median: 6.8 hrsMean: 13.1 hrs≥1hr: 82%
Mechs V Kaijus is an addictive hardcore tower defense gameplay. In Mechs V Kaijus you take on the role of Commander of a powerful Mechs squadron. Improve your Mech, strategically place towers and factories on the battlefield. Deploy support units on the battlefield, and save our civilization.
Why similar: Tower Defense 82.8%, Strategy 9.2%, Tactical 4.3%, Action 2.5%, Singleplayer 1.2%
- #35 Kingdom Rush Frontiers - Tower Defense
74% matchOverwhelmingly Positive97% of 10,419 reviews2016
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 8.6 hrsMean: 20.9 hrs≥1hr: 92%
Command your troops through an epic (mis)adventure as you defend exotic lands from dragons, man-eating plants, and ghastly denizens of the underworld -all with flashy new towers, levels, heroes, and more goodies to help you crush your foes in this Fantasy Action Tower Defense game!
Why similar: Tower Defense 65.8%, Strategy 13.3%, Building 11.9%, Colorful 3.6%, Singleplayer 3.2%
- #36 Infinitode 2 - Infinite Tower Defense
73% matchVery Positive91% of 4,121 reviews2021
Dev: Prineside
Windows · Linux
Median: 3.2 hrsMean: 45.9 hrs≥1hr: 70%
Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor.
Why similar: Tower Defense 37.5%, Real Time Tactics 21.2%, Building 13.3%, Tactical 10.7%, Strategy 9%
- #37 Gnomes
71% matchOverwhelmingly Positive95% of 1,709 reviews2025
Dev: DYSTOPIAN
Windows
Median: 2.1 hrsMean: 5.4 hrs≥1hr: 70%
Gnomes is a turn-based tower defense with deep roguelike progression, set in ever-expanding, procedurally generated biomes. Build, farm and defend your village as you push deeper into goblin-infested territory. Unlock powerful upgrades and craft your environment to survive the endless goblin horde
Why similar: Tower Defense 62.1%, Survival 16.9%, Strategy 11.2%, Colorful 6.6%, Singleplayer 3.1%
- #38 League TD
74% 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: Tower Defense 51.8%, Sci-fi 14.3%, Strategy 13.1%, Tactical 9%, 3D 7.6%
- #39 Dungeon Warfare
73% matchOverwhelmingly Positive96% of 2,000 reviews2015
Dev: Valsar
Windows · Mac · Linux
Median: 3.7 hrsMean: 11.1 hrs≥1hr: 90%
Dungeon Warfare is a challenging tower defense strategy game where you become a dungeon lord to defend your dungeons with deadliest of traps and insidious contraptions against greedy adventurers and wanna-be heroes.
Why similar: Tower Defense 51.7%, Building 13.7%, Tactical 12.9%, Strategy 12.3%, Combat 5.9%
- #40 Keep Keepers
71% matchVery Positive88% of 154 reviews2024
Dev: Thunderrock Innovations
Windows
Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?
Why similar: Tower Defense 32.9%, Automation 27.7%, Online Co-Op 19.2%, Multiplayer 7.2%, Building 6.3%
- #41 Citywars Tower Defense
72% matchMostly Positive80% of 1,123 reviews2022
Dev: 01 Studio
Windows · Mac · Linux
Citywars TD is a cute multiplayer third person Survival Tower Defense. Build towers, gather resources, craft tools, upgrade weapons, level up buildings, expand your city with your friends and work under pressure before the next incoming wave of monsters.
Why similar: Tower Defense 31%, Action RTS 19.3% ★, Online Co-Op 15.8%, Survival 11%, Building 8.5%
- #42 CyberTD
72% matchMixed70% of 56 reviews2023
Dev: Clockwork Origins
Windows · Mac · Linux
Mutant viruses threaten the very heart of cyberspace! You'll need the right tactics and the "help" of your support drone to build a deck of terrific upgrades in this innovative deckbuilding tower defense game packed with roguelite elements!
Why similar: Tower Defense 42%, Online Co-Op 22.4%, Futuristic 15.1%, Strategy 11.4%, Sci-fi 9.1%
- #43 Kingdom Rush - Tower Defense
71% matchOverwhelmingly Positive97% of 16,522 reviews2014
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 5.0 hrsMean: 16.3 hrs≥1hr: 86%
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
Why similar: Tower Defense 71.6%, Strategy 11.4%, Tactical 10%, Action 2.6%, Singleplayer 2.5%
- #44 Kingdom Rush Origins - Tower Defense
70% matchOverwhelmingly Positive96% of 7,788 reviews2018
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 8.4 hrsMean: 18.8 hrs≥1hr: 92%
Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.
Why similar: Tower Defense 56.9%, Building 13.3%, Tactical 12.1%, Strategy 11.4%, Singleplayer 3.3%
- #45 Artificial Defense
73% matchVery Positive82% of 210 reviews2016
Dev: Thiemo Bolder, ONEMANGAMES
Windows
Median: 3.5 hrsMean: 4.9 hrs≥1hr: 95%
Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.
Why similar: Tower Defense 51.6%, Strategy 36.3%, Action 12.1%
- #46 Broken Universe - Tower Defense
70% matchVery Positive91% of 312 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 48.2%, Building 15.7%, Survival 15.1%, Strategy 12.3%, Colorful 6.1%
- #47 Defense Technica
75% matchMostly Negative40% of 188 reviews2013
Dev: Kuno Interactive
Windows · Mac
Median: 3.4 hrsMean: 4.6 hrs≥1hr: 95%
Defense Technica is the next evolution in hardcore tower defense strategy games. Protect the core from an onslaught of unrelenting biomechanical terrors with a powerful range of tower defense units – each with their own upgradable features and methods of attacks.
Why similar: Tower Defense 87%, Strategy 13%
- #48 Colony Siege
70% matchVery Positive93% of 258 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: Tower Defense 41.3%, Strategy 27.2%, Sci-fi 11.6%, Online Co-Op 10.4%, Survival 5.3%
- #49 Stellarcraft
68% matchVery Positive91% of 100 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: Action RTS 28.7% ★, Online Co-Op 16.7%, Real Time Tactics 16.1%, Survival 9.2%, Sci-fi 8.5%
- #50 Rift Riff
67% matchVery Positive96% of 376 reviews2025
Dev: Adriaan de Jongh
Windows · Mac · Linux
Jump a rift, fight off monsters, plunder their world. A strategic mix of juicy tower loadouts, varied monster behaviors, and forgiving mechanics.
Why similar: Tower Defense 33.1%, Action RTS 19.8% ★, Real Time Tactics 11.6%, Post-apocalyptic 8.8%, Survival 7.6%
- #51 SENTRY
69% matchVery Positive82% of 882 reviews2024
Dev: Fireblade Software
Windows
Median: 2.8 hrsMean: 5.3 hrs≥1hr: 73%
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
Why similar: Tower Defense 36.3%, Aliens 13.8%, Sci-fi 12.3%, Survival 11.4%, Strategy 8.9%
- #52 Monsters are Coming!
67% matchVery Positive80% of 2,489 reviews2025
Dev: LudogramPub: Raw Fury
Windows
Median: 3.4 hrsMean: 7.0 hrs≥1hr: 81%
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
Why similar: Tower Defense 44%, Building 15.3%, Survival 15%, Strategy 10.1%, Combat 8.2%
- #53 Mech Fortress
66% matchVery Positive86% of 243 reviews2026
Dev: Some Sugar Studio
Windows
Mech Fortress is a sci-fi tower defense game where each turret has unique mechanics. You can freely place them on a 5×5 grid, and your goal is to eliminate all enemies!
Why similar: Tower Defense 66.8%, Strategy 13.7%, Sci-fi 12.1%, Combat 5.4%, Singleplayer 2.1%
- #54 Towerful Defense: A Rogue TD
68% matchMostly Positive73% of 227 reviews2024
Dev: Mini Fun Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 4.2 hrs≥1hr: 68%
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 62.1%, Survival 20.3%, Strategy 14%, Action 3.6%
- #55 Nordhold
66% matchVery Positive87% of 3,149 reviews2025
Dev: StunForgePub: HypeTrain Digital
Windows · Mac · Linux
Median: 4.4 hrsMean: 9.7 hrs≥1hr: 84%
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
Why similar: Tower Defense 68.1%, Strategy 17.3%, Tactical 11.8%, Singleplayer 2.8%
- #56 IRON GUARD
68% matchVery Positive95% of 151 reviews2021
Dev: Xlab Digital
Windows
Median: 2.3 hrsMean: 4.8 hrs≥1hr: 76%
A sci-fi roomscale VR Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with a handheld drone. Build and collect resources and help evacuate your crew from the alien planet.
Why similar: Tower Defense 27.6%, Action RTS 23.8% ★, Real Time Tactics 13.2%, Sci-fi 9.8%, Futuristic 7.2%
- #57 Kingdom Rush Vengeance - Tower Defense
66% matchVery Positive94% of 10,592 reviews2020
Dev: Ironhide Game Studio
Windows · Mac
Median: 8.7 hrsMean: 18.4 hrs≥1hr: 89%
It's payback time! Lead your mighty dark army and make the Kingdom tremble with every step. Build powerful towers, choose your arsenal for destruction, and find the deadliest combination - train legendary heroes and lead them to victory!
Why similar: Tower Defense 69.5%, Strategy 15.4%, Colorful 6.5%, Singleplayer 4.6%, Action 3.9%
- #58 HYPERNOVA: Escape from Hadea
69% 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 41.6%, Aliens 10.4%, Sci-fi 10.1%, Strategy 9.4%, Building 7.9%
- #59 Dome Keeper
65% matchVery Positive92% of 20,921 reviews2022
Dev: BippinbitsPub: Raw Fury
Windows · Mac · Linux
Median: 4.2 hrsMean: 11.2 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 34.7%, Post-apocalyptic 21.6%, Sci-fi 16.1%, Tactical 11.4%, Combat 7.3%