- #1 Anomaly 2
97% matchMostly Positive79% of 1,055 reviews2013
Dev: 11 bit studios
Windows · Mac · Linux
Median: 2.5 hrsMean: 4.7 hrs≥1hr: 77%
Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.
Why similar: Strategy 44.1%, Tower Defense 32%, Action 14.7%, Sci-fi 6.2%, Indie 2.6%
Why You'll Like It: This direct sequel expands on the reverse tower defense mechanics with more complex unit transformations and tactical depth.
- #2 Anomaly: Warzone Earth
96% matchVery Positive87% of 4,668 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: Strategy 47.2%, Tower Defense 31%, Action 10.9%, Sci-fi 7.9%, Indie 2.2%
Why You'll Like It: The original game that established the unique reverse tower defense formula and sci-fi aesthetic.
- #3 Anomaly Korea
96% matchMostly Positive78% of 792 reviews2013
Dev: 11 bit studios
Windows · Mac · Linux
Median: 2.8 hrsMean: 5.4 hrs≥1hr: 79%
Exclusively brought to Steam for PC, Mac and Linux in Anomaly Bundle, Anomaly Korea is an expansion campaign to Anomaly Warzone Earth. The alien robots are back and this time they’ve got Korea in their sights. It’s your job to lead a squad into fierce fire-fights and fend off the alien invasion.
Why similar: Strategy 49.2%, Tower Defense 24.4%, Action 18.5%, Sci-fi 6.6%, Indie 1.1%
Why You'll Like It: A standalone expansion that continues the tactical squad-based gameplay of the series with new units and challenges.
- #4 Anomaly Defenders
95% matchMostly Positive77% of 676 reviews2014
Dev: 11 bit studios
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.7 hrs≥1hr: 89%
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
Why similar: Tower Defense 43.3%, Strategy 37.3%, Action 14%, Sci-fi 3.1%, Indie 2.3%
Why You'll Like It: While it shifts to traditional tower defense, it retains the high-octane sci-fi action and polish of the Anomaly universe.
- #5 X-Morph: Defense
94% matchVery Positive92% of 4,073 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 46.1%, Strategy 28.8%, Action 12.1%, Sci-fi 9.9%, Indie 2%
Why You'll Like It: This game perfectly blends top-down shooter action with tower defense strategy, mirroring the hybrid nature of the Anomaly series.
- #6 Defense Grid: The Awakening
94% 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 63.7%, Strategy 26.2%, Sci-fi 7.8%, Indie 1.4%, Singleplayer 0.9%
Why You'll Like It: Widely considered a gold standard for sci-fi tower defense, offering deep strategic planning and a compelling narrative.
- #7 Orcs Must Die! 2
93% matchVery Positive92% of 19,505 reviews2012
Dev: Robot Entertainment
Windows
Median: 5.5 hrsMean: 11.9 hrs≥1hr: 91%
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
Why similar: Tower Defense 59.5%, Strategy 25%, Action 13.5%, Indie 1.3%, Singleplayer 0.7%
Why You'll Like It: A classic action-tower defense hybrid that requires you to actively participate in combat while managing your defenses.
- #8 Defense Zone 3 Ultra HD
92% matchMostly Positive80% of 504 reviews2016
Dev: Artem Kotov
Windows · Mac · Linux
Median: 7.1 hrsMean: 32.1 hrs≥1hr: 71%
The sequel to the hit strategy game, with new weapons, landscapes, and options.
Why similar: Strategy 46.2%, Tower Defense 30.4%, Action 20.1%, Indie 3.3%
Why You'll Like It: Focuses on tactical placement and resource management within a modern, high-fidelity sci-fi setting.
- #9 Sanctum 2
91% matchVery Positive90% of 14,356 reviews2013
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows · Mac · Linux
Median: 2.8 hrsMean: 6.7 hrs≥1hr: 85%
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
Why similar: Tower Defense 58.7%, Strategy 23.2%, Action 9.6%, Sci-fi 6.9%, Indie 1.2%
Why You'll Like It: This title offers a unique first-person shooter perspective on tower defense, requiring both tactical planning and precise aim.
- #10 DG2: Defense Grid 2
91% matchVery Positive86% of 3,339 reviews2014
Dev: Hidden Path Entertainment
Windows
Median: 6.0 hrsMean: 11.4 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 39.4%, Strategy 30.2%, Action 14.1%, Sci-fi 13.3%, Indie 1.8%
Why You'll Like It: The sequel to the classic sci-fi tower defense game, featuring improved graphics and complex map layouts.
- #11 Iron Brigade
90% matchVery Positive86% of 1,208 reviews2012
Dev: Double Fine Productions
Windows
Median: 1.9 hrsMean: 7.5 hrs≥1hr: 63%
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
Why similar: Tower Defense 44%, Strategy 35.3%, Action 18.3%, Sci-fi 2.4%
Why You'll Like It: A fast-paced action-strategy game where you pilot mechs to defend against waves of enemies, sharing the sci-fi tactical feel of Anomaly.
- #12 M.A.C.E. Tower Defense
89% matchMostly Positive70% of 61 reviews2017
Dev: EntwicklerX
Windows
M.A.C.E. Tower Defense is a classic tower defense game with unique towers and enemies and an ingame shop system for getting better towers, upgrade existing towers and buy special items.
Why similar: Strategy 41.3%, Tower Defense 30.4%, Action 18.9%, Sci-fi 6.2%, Indie 3.2%
Why You'll Like It: A straightforward sci-fi tower defense game that captures the classic feel of the genre.
- #13 Fieldrunners 2
89% matchVery Positive86% of 524 reviews2013
Dev: Subatomic Studios LLC
Windows
Median: 3.0 hrsMean: 16.5 hrs≥1hr: 70%
Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
Why similar: Tower Defense 61.5%, Strategy 28.1%, Action 10.5%
Why You'll Like It: A highly polished tower defense game that offers significant strategic variety and intense combat scenarios.
- #14 Toy Soldiers
87% matchVery Positive89% of 1,485 reviews2012
Dev: Signal Studios
Windows
Median: 1.5 hrsMean: 4.5 hrs≥1hr: 59%
Command your TOY SOLDIERS in epic, action-packed battles.
Why similar: Tower Defense 42.7%, Strategy 41%, Action 15.9%, Singleplayer 0.4%
Why You'll Like It: This game allows you to take direct control of individual units and turrets, providing the same action-heavy tactical experience.
- #15 Sentinel 4: Dark Star
88% matchMostly Positive79% of 63 reviews2015
Dev: Origin8 Technologies Ltd
Windows
Median: 4.1 hrsMean: 4.6 hrs≥1hr: 96%
Want a tactical and strategic tower defense challenge that's packed with options and upgrades? Take command of the dropship Sentinel and do battle across a vibrant sci-fi world.
Why similar: Strategy 51.8%, Tower Defense 30.2%, Sci-fi 13.8%, Indie 4.3%
Why You'll Like It: A sci-fi tower defense game that matches the aesthetic and tactical intensity found in the Anomaly series.
- #16 Super Sanctum TD
86% 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 51.7%, Strategy 25.8%, Action 9.9%, Sci-fi 9.7%, Indie 1.6%
Why You'll Like It: An isometric spin-off that focuses on pure tower defense strategy with a retro-futuristic aesthetic.
- #17 Dungeon Defenders
85% matchVery Positive93% of 18,745 reviews2011
Dev: Chromatic Games
Windows
Median: 9.2 hrsMean: 42.0 hrs≥1hr: 89%
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!
Why similar: Tower Defense 63.1%, Strategy 34.5%, Singleplayer 2.4%
Why You'll Like It: Combines action-RPG elements with tower defense, focusing on active participation in the battlefield.
- #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 41.2%, Strategy 30.9%, Sci-fi 13.3%, Action 13.1%, Singleplayer 1.5%
Why You'll Like It: A gritty, sci-fi tower defense game that emphasizes survival and tactical unit placement.
- #19 Alien Robot Monsters
86% matchVery Positive85% of 124 reviews2015
Dev: Kraftix Games
Windows · Mac · Linux
Median: 7.0 hrsMean: 11.9 hrs≥1hr: 95%
Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack!
Why similar: Strategy 43.3%, Tower Defense 32.8%, Action 20.5%, Indie 3.4%
Why You'll Like It: A fast-paced tower defense game that features sci-fi themes and challenging wave-based combat.
- #20 PixelJunk™ Monsters 2
84% matchMixed66% of 277 reviews2018
Dev: Q-Games Ltd.Pub: Spike Chunsoft Co., Ltd.
Windows
Median: 1.9 hrsMean: 11.2 hrs≥1hr: 59%
PixelJunk™ Monsters is back with the simple, yet highly strategic real-time tower defense gameplay gameplay of the original title, now with updated graphics and brand new multiplayer modes!
Why similar: Tower Defense 56.2%, Action 43.8%
Why You'll Like It: A charming yet challenging tower defense game that emphasizes active unit management and tactical positioning.
- #21 GemCraft - Frostborn Wrath
81% matchVery Positive89% of 2,818 reviews2020
Dev: Game in a Bottle
Windows
Median: 3.9 hrsMean: 38.1 hrs≥1hr: 90%
The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge.
Why similar: Tower Defense 47.8%, Strategy 34.4%, Action 15.3%, Indie 1.4%, Singleplayer 1%
Why You'll Like It: Offers deep, complex strategic systems that reward careful planning and tactical adaptation.
- #22 Axon TD: Uprising - Tower Defense
79% matchVery Positive87% of 722 reviews2024
Dev: Element Studios
Windows
Median: 3.6 hrsMean: 9.8 hrs≥1hr: 75%
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 49.6%, Strategy 34.4%, Sci-fi 13.3%, Indie 1.7%, Singleplayer 1%
Why You'll Like It: A modern take on tower defense that incorporates roguelite elements and complex tactical pathing.
- #23 Rush for Glory
83% matchMixed61% of 148 reviews2014
Dev: Parseh Game StudioPub: KATNAPPE SP. Z O. O.
Windows
Median: 24 minMean: 29.8 hrs≥1hr: 34%
Rush for Glory is featuring challenging and rewarding Tower Defense battles, in which players are defending their base against an alien invasion. By strategically building towers and upgrading them, the player can keep his base safely and further progress through the extensive singleplayer campaign.
Why similar: Tower Defense 46.7%, Strategy 38.8%, Action 14.4%
Why You'll Like It: Provides a classic tower defense experience with a strong focus on action and enemy variety.
- #24 Harvest: Massive Encounter
82% 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: Tower Defense 47.2%, Strategy 42.4%, Sci-fi 6.5%, Indie 3.2%, Singleplayer 0.7%
Why You'll Like It: A unique strategy game that blends resource management with tower defense in a sci-fi environment.
- #25 Commando Jack
82% matchMixed50% of 557 reviews2014
Dev: Colossal GamesPub: KISS ltd
Windows · Mac
Median: 3.5 hrsMean: 4.1 hrs≥1hr: 94%
A Tower Defence game, that actually allows you to sit inside the turret and come face-to-face with the enemies! Addictive strategy - action game, with loads of shooting and explosions! Nearing 2 MILLION DOWNLOADS!
Why similar: Strategy 48.2%, Tower Defense 30.9%, Action 17.9%, Indie 3%
Why You'll Like It: A hybrid game that allows you to switch between tower placement and direct third-person combat.
- #26 Age of Steel: Recharge
81% matchMixed76% of 334 reviews2016
Dev: Quaint Emerald
Windows · Mac
Median: 4.0 hrsMean: 4.4 hrs≥1hr: 96%
"Age of Steel: Recharge" is a 2D strategy with a view from the side. You're taking the role of commander, who was entrusted the management of the military base. Your mission is to defend a base from the waves of enemies at any price.
Why similar: Strategy 55.1%, Tower Defense 22.1%, Action 19.5%, Indie 3.3%
Why You'll Like It: A tactical strategy game that incorporates tower defense elements in a sci-fi setting.
- #27 Defense Task Force - Sci Fi Tower Defense
80% 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 46.5%, Strategy 40.1%, Sci-fi 10.3%, Indie 3.2%
Why You'll Like It: A dedicated sci-fi tower defense title that focuses on strategic turret placement and enemy management.
- #28 Module TD. Sci-Fi Tower Defense
79% matchMixed67% of 55 reviews2018
Dev: Gyro-Games Inc.
Windows
This is Sci-fi Tower Defense created by gamers for gamers.
Why similar: Strategy 92.3%, Indie 7.7%
Why You'll Like It: A modular tower defense game that emphasizes customization and strategic planning in a sci-fi setting.
- #29 Sentinel 3: Homeworld
78% matchMostly Positive80% of 148 reviews2014
Dev: Origin8Pub: Strategy First
Windows
Median: 3.9 hrsMean: 16.9 hrs≥1hr: 73%
The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.
Why similar: Tower Defense 62.7%, Strategy 30.8%, Sci-fi 4.5%, Indie 2%
- #30 Artificial Defense
77% 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: Strategy 50.5%, Tower Defense 23.4%, Action 21.9%, Indie 4.3%
- #31 Spoids
77% matchMostly Positive72% of 115 reviews2017
Dev: AirWave GamesPub: BindleBot
Windows
Median: 3.2 hrsMean: 3.6 hrs≥1hr: 77%
Spoids is a challenging throwback to the original brand of tower defense games. Command the Remote Defense Space Station and respond to distress calls of those who are being attacked by the invaders. Travel from planet to planet using your powerful arsenal to hold back the Spoids.
Why similar: Strategy 43.4%, Tower Defense 31.8%, Action 15.6%, Sci-fi 5.6%, Indie 3.6%
- #32 iBomber Defense Pacific
76% matchVery Positive83% of 594 reviews2012
Dev: Cobra Mobile
Windows · Mac · Linux
Median: 30 minMean: 3.9 hrs≥1hr: 37%
iBomber moves to the Pacific as you fight a whole new enemy across the Pacific rim to regain freedom.
Why similar: Tower Defense 49.7%, Strategy 36.2%, Action 9.8%, Indie 2.8%, Singleplayer 1.4%
- #33 Defense Zone
76% matchVery Positive83% of 83 reviews2014
Dev: Artem Kotov
Windows · Mac · Linux
Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defense with your turrets against the massive hordes of enemies.
Why similar: Tower Defense 52.4%, Strategy 44.3%, Indie 3.2%
- #34 Broken Universe - Tower Defense
73% 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 53.4%, Strategy 41.9%, Indie 3.3%, Singleplayer 1.4%
- #35 League TD
73% 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 49%, Strategy 38%, Sci-fi 12.4%, Indie 0.4%, Singleplayer 0.3%
- #36 ZeroZone2020
74% matchVery Positive84% of 129 reviews2019
Dev: HaDe GamesPub: My Way Games
Windows
Zero Zone 2020 is a classic Tower defense game where you will need to defend a home base from swarms of enemies
Why similar: Tower Defense 46.5%, Strategy 36.3%, Action 17.1%
- #37 Tower Wars
75% 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 63.5%, Strategy 30.1%, Action 4.4%, Indie 1.6%, Singleplayer 0.3%
- #38 Molten Armor
75% 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: Tower Defense 40.1%, Strategy 32.7%, Action 13.4%, Sci-fi 11%, Singleplayer 1.5%
- #39 Mech Fortress
70% matchVery Positive85% of 216 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 53.1%, Strategy 35.9%, Sci-fi 10.2%, Singleplayer 0.8%
- #40 Intruder Alert: Ixian Operations
74% matchMixed66% of 71 reviews2016
Dev: Frudelsoft
Windows
Intruder Alert is an science-fiction RTS having 6 totally different factions. It contains a single-player campaign, local LAN multiplayer, simple single player games and special challenges like Tower Defense.
Why similar: Strategy 80.8%, Sci-fi 12.5%, Indie 6.7%
- #41 Repel The Rifts
69% 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: Tower Defense 53.6%, Strategy 28.1%, Sci-fi 16.3%, Indie 1.2%, Singleplayer 0.8%
- #42 MyTD 我的塔防
73% matchMixed57% of 67 reviews2017
Dev: DaTigerGame
Windows
[MYTD] is a tower defense strategy game, Unlike traditional tower defense.[MYTD] has added a lot of fresh play.[MYTD] is a pixel tower game strategy placed through games, with endless defense mode, character upgrades, defensive towers skills to choose, turret and changeful, one thousand kinds of style let you challenge without limit, the...
Why similar: Strategy 55.1%, Tower Defense 40.3%, Indie 4.6%
- #43 IDUN - Frontline Survival
69% 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 41.1%, Strategy 31.3%, Sci-fi 13.4%, Action 12.7%, Singleplayer 1.4%
- #44 No Creeps Were Harmed TD
68% 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 44.9%, Strategy 30.8%, Sci-fi 12.9%, Action 9.8%, Singleplayer 1.5%
- #45 Towerful Defense: Prologue
69% 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 46.6%, Strategy 36.1%, Action 16.1%, Singleplayer 1.2%
- #46 Cubemen
72% matchMostly Positive71% of 511 reviews2012
Dev: 3 SprocketsPub: 3 Sprockets
Windows · Mac · Linux
Median: 36 minMean: 3.6 hrs≥1hr: 35%
Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!
Why similar: Tower Defense 54.4%, Strategy 41.6%, Indie 3.3%, Singleplayer 0.6%
- #47 Siege of Centauri
71% 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 44%, Strategy 31.5%, Action 12.9%, Sci-fi 11.6%
- #48 Final War: Frozen Defense
70% matchMixed46% of 94 reviews2025
Dev: HaoPlay Limited
Windows
Strategy Tower Defense, RTS Battles on the World Map
Why similar: Tower Defense 53%, Strategy 46.8%, Singleplayer 0.3%
- #49 Unstoppable Gorg
72% matchMostly Positive79% of 306 reviews2012
Dev: Futuremark
Windows · Mac
Median: 36 minMean: 6.3 hrs≥1hr: 40%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 56.3%, Strategy 27.5%, Action 8.3%, Sci-fi 6.3%, Indie 1.6%
- #50 Sunstone War
68% matchVery Positive100% of 52 reviews2024
Dev: Blukulélé
Windows · Mac · Linux
Sunstone War is a unique Action game with Tower Defense element where you can carry EVERYTHING! Move towers, toss away enemies, carry obstacles, upgrade skills and journey through lands to protect your village from calamity!
Why similar: Tower Defense 55.7%, Strategy 42.3%, Singleplayer 2.1%
- #51 iBomber Defense
71% matchMostly Positive74% of 244 reviews2011
Dev: Cobra Mobile
Windows · Mac
Median: 1.3 hrsMean: 7.0 hrs≥1hr: 54%
iBomber Defense combines classic tower defense gameplay with intense action and strategy. Keep enemies at bay all over the world using a variety of weapons and tactics, from rattling Machine guns, explosive cannons and awesome anti-aircraft artillery!
Why similar: Tower Defense 54.5%, Strategy 42.5%, Indie 2.9%
- #52 Space Run Galaxy
70% matchMixed64% of 1,027 reviews2016
Dev: Passtech GamesPub: Focus Entertainment
Windows
Median: 3.3 hrsMean: 5.3 hrs≥1hr: 92%
Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.
Why similar: Strategy 49.8%, Tower Defense 47.1%, Indie 3%
- #53 Loopstructor
66% matchVery Positive84% of 372 reviews2024
Dev: Pone Games
Windows
Median: 2.8 hrsMean: 5.9 hrs≥1hr: 77%
This is a strategy game that combines tower defense with Roguelike. Unlike traditional tower defense game, the towers in the game are vehicles that move along ‘loops’.You need to create defense loop and build battle trains to defend against enemy attacks.
Why similar: Tower Defense 52.2%, Strategy 42.9%, Indie 3.2%, Singleplayer 1.7%
- #54 Stellar Initiative
66% 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 50%, Strategy 34.9%, Sci-fi 14.4%, Singleplayer 0.7%
- #55 Mineral Defense
65% 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 50.2%, Strategy 39.5%, Sci-fi 10.3%
- #56 Tower Dominion
64% 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 53.7%, Strategy 36.7%, Sci-fi 8.3%, Singleplayer 1.3%
- #57 Space Cycle
64% 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 47%, Strategy 35.1%, Sci-fi 14.3%, Indie 2.2%, Singleplayer 1.4%