- #1 Alien Robot Monsters
97% 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: Tower Defense 39.2%, Strategy 33.9%, Action 13.7%, Indie 13.2%
- #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: Tower Defense 38.5%, Strategy 38.4%, Indie 8.9%, Action 7.6%, Sci-fi 6.6%
- #3 Anomaly Defenders
96% 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 50.9%, Strategy 28.8%, Action 9.3%, Indie 8.6%, Sci-fi 2.5%
- #4 Sentinel 4: Dark Star
95% 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 39%, Tower Defense 34.6%, Indie 15.9%, Sci-fi 10.5%
- #5 M.A.C.E. Tower Defense
94% 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: Tower Defense 36.8%, Strategy 32.8%, Action 12.8%, Indie 12.6%, Sci-fi 5%
- #6 2112TD: Tower Defense Survival
91% 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 48.3%, Strategy 23.8%, Sci-fi 10.4%, Old School 8.9%, Action 8.6%
- #7 Planetoid
94% matchMixed54% of 104 reviews2017
Dev: GameWriterStudioPub: Conglomerate 5
Windows
Median: 3.4 hrsMean: 4.4 hrs≥1hr: 98%
Planetoid is a physics based building game in which you construct facilities and protect humanoids on the planetoid. Build a facilities which can defeat the enemies on your way.
Why similar: Tower Defense 34.7%, Strategy 29.2%, Indie 24.3%, Action 11.8%
- #8 Rush for Glory
93% 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 58.2%, Strategy 31.7%, Action 10.1%
- #9 Unstoppable Gorg
92% 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 63.7%, Strategy 20.4%, Indie 5.9%, Action 5.3%, Sci-fi 4.8%
- #10 Artificial Defense
91% 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 40.1%, Tower Defense 28.3%, Indie 16.8%, Action 14.8%
- #11 Defense Grid: The Awakening
89% 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 70.3%, Strategy 19%, Sci-fi 5.8%, Indie 5%
- #12 iBomber Defense
89% 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 59.3%, Strategy 30.4%, Indie 10.3%
- #13 Ancient Planet Tower Defense
88% matchVery Positive82% of 1,186 reviews2015
Dev: Moonlight Mouse
Windows · Mac
Median: 3.3 hrsMean: 7.5 hrs≥1hr: 92%
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!
Why similar: Tower Defense 70.9%, Strategy 21.4%, Indie 7.7%
- #14 XENOBREAKERS: Classic Tower Defense
82% matchVery Positive86% of 83 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: Strategy 51.9%, Indie 20.1%, Sci-fi 16.7%, Tower Defense 11.3%
- #15 Super Sanctum TD
87% 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 60.1%, Strategy 19.7%, Sci-fi 7.5%, Action 6.4%, Indie 6.2%
- #16 Space Run
86% 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 61.8%, Strategy 24.4%, Indie 6.3%, Sci-fi 5.6%, Action 1.8%
- #17 Revenge of the Titans
86% matchVery Positive82% of 1,250 reviews2011
Dev: Puppygames
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 82%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 59.2%, Strategy 22.3%, Indie 7.9%, Sci-fi 5.5%, Action 5.1%
- #18 ZeroZone2020
83% 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 58.2%, Strategy 29.8%, Action 12%
- #19 Cannons-Defenders: Steam Edition
84% matchMixed67% of 206 reviews2017
Dev: REX PEX GAMES
Windows
Median: 3.4 hrsMean: 5.9 hrs≥1hr: 97%
Hardcore 2D game with a fascinating and unusual mechanics, where you have to defend the base from annoying saboteurs.
Why similar: Tower Defense 41.7%, Action 30.6%, Indie 27.7%
- #20 Infested Planet
81% 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 43.4%, Strategy 33.6%, Action 8.8%, Indie 7.8%, Sci-fi 6.4%
- #21 Robowars
84% matchMixed46% of 292 reviews2014
Dev: N-Game Studios
Windows
Median: 3.0 hrsMean: 4.1 hrs≥1hr: 95%
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.
Why similar: Tower Defense 45.9%, Strategy 21.7%, Old School 11.4%, Sci-fi 8%, Action 7.2%
- #22 Zotrix - Solar Division
82% matchMixed70% of 53 reviews2016
Dev: ZeroBit GamesPub: Ocean Media LLC
Windows · Mac · Linux
Median: 5.0 hrsMean: 32.8 hrs≥1hr: 98%
The battle against Zotrix aliens is getting closer to your door step. Every space station in the network is in danger and Solar Division command needs your help to setup proper strategy for the defense. You are trusted this important task before whole network is taken to the edge of the unknown.
Why similar: Tower Defense 64.1%, Strategy 25.8%, Indie 10.1%
- #23 Sentinel 3: Homeworld
80% 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 68%, Strategy 21.9%, Indie 6.8%, Sci-fi 3.2%
- #24 Defense Task Force - Sci Fi Tower Defense
79% 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 51.7%, Strategy 29.3%, Indie 11.4%, Sci-fi 7.7%
- #25 Anomaly Korea
78% 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 43%, Tower Defense 32.5%, Action 13.8%, Sci-fi 5.8%, Indie 4.8%
- #26 Defense Technica
81% 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 71.2%, Strategy 21.5%, Indie 7.3%
- #27 Harvest: Massive Encounter
79% 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 52.5%, Strategy 31%, Indie 11.6%, Sci-fi 4.8%
- #28 Siege of Centauri
76% 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 55.3%, Strategy 25.9%, Sci-fi 9.7%, Action 9.1%
- #29 League TD
72% 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 48.1%, Strategy 24.5%, Old School 18.1%, Sci-fi 8.1%, Indie 1.3%
- #30 Taur
73% matchMostly Positive80% of 2,078 reviews2020
Dev: Echo Entertainment
Windows
Median: 4.2 hrsMean: 6.8 hrs≥1hr: 76%
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
Why similar: Tower Defense 54.3%, Strategy 25.6%, Action 7.1%, Indie 6.6%, Sci-fi 6.4%
- #31 Rise of the Ancients
78% matchMixed44% of 351 reviews2016
Dev: TalentplacePub: KishMish Games
Windows
Median: 2.9 hrsMean: 4.1 hrs≥1hr: 86%
They appeared seemingly from nowhere and are ready for battle... You have to take up the defense of the land and prevent the Ancients from seizing the kingdom!
Why similar: Indie 51.2%, Strategy 48.8%
- #32 Tower Dominion
65% 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 64.4%, Strategy 28.9%, Sci-fi 6.6%
- #33 Defense Zone
77% 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 57%, Strategy 31.6%, Indie 11.4%
- #34 Mechs V Kaijus - Tower Defense
71% matchVery Positive84% of 529 reviews2022
Dev: Doble Punch Games
Windows
Median: 6.8 hrsMean: 13.2 hrs≥1hr: 83%
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 71.9%, Strategy 16.1%, Indie 7.2%, Action 4.8%
- #35 Island Defense
77% matchMixed53% of 121 reviews2015
Dev: Stereo7 Games
Windows
Median: 4.2 hrsMean: 4.9 hrs≥1hr: 99%
Get ready for modern battles! Defend your islands against evil invaders in jungles! Your team will consist of modern snipers, gunners, rockets, ice towers and other great things. A deep conflict has been brewing between you and the evil invaders. Fight to protect your freedom and liberty.
Why similar: Tower Defense 46.2%, Strategy 35%, Indie 9.7%, Action 9.1%
- #36 Space Cycle
67% 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 54.3%, Strategy 26.6%, Sci-fi 11%, Indie 8.1%
- #37 CARNAGE OFFERING Tower Defense
69% 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 63.3%, Strategy 30.1%, Indie 3.3%, Action 3.3%
- #38 Age of Steel: Recharge
75% 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 45.3%, Tower Defense 27.7%, Action 13.7%, Indie 13.3%
- #39 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 45.2%, Strategy 24.2%, Old School 9.3%, Action 8.5%, Sci-fi 8.2%
- #40 The Last Tower
76% matchMixed41% of 64 reviews2018
Dev: SalsawiPub: Salsawi Games
Windows
Median: 6 minMean: 8.6 hrs≥1hr: 11%
The Last Tower is an Arcade tower defense infinite runner game, your job is to prevent the invading alien armies from destroying mankinds last stronghold, the goal of The Last Tower is to get the highest score possible
Why similar: Strategy 52.8%, Action 24.5%, Indie 22.6%
- #41 Towerful Defense: Prologue
67% 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 58.8%, Strategy 29.8%, Action 11.4%
- #42 Radiant Defense
74% 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 50.5%, Strategy 27.3%, Indie 10.3%, Action 7.7%, Sci-fi 4.2%
- #43 X-Morph: Defense
70% 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 54.2%, Strategy 22.2%, Action 8%, Sci-fi 7.8%, Indie 7.8%
- #44 Cosmic Dust & Rust
74% matchMixed65% of 563 reviews2016
Dev: 16bit NightsPub: Back To Basics Gaming
Windows
Median: 3.3 hrsMean: 4.3 hrs≥1hr: 92%
Cosmic Dust & Rust is a tower defence game set in space. Upgrade your ship, build turrets and defence systems, undergo side missions and take control of your ship manually and use its cannons and super weapons to destroy your enemies.
Why similar: Tower Defense 50.4%, Strategy 31.8%, Indie 9.5%, Action 8.3%
- #45 Black blood
73% matchMixed67% of 57 reviews2020
Dev: Arcane Games
Windows
Black blood is a mix of hardcore Tower Defense strategy and top-down shooter. Act as a defender against alien invaders, attack and destroy all their insidious plans...
Why similar: Tower Defense 54.5%, Strategy 26.9%, Action 10%, Indie 8.6%
- #46 Cyber Tower 2048
64% matchVery Positive87% of 101 reviews2025
Dev: Galactic Geckon
Windows
Cyber Tower 2048 is an action tower defense game where players fight insectoids by building defenses and developing tactics.
Why similar: Tower Defense 65.4%, Action 16.2%, Strategy 11.7%, Sci-fi 6.6%
- #47 Xeno Command
68% matchVery Positive84% of 55 reviews2022
Dev: ChillyRoomPub: ChillyRoom
Windows
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Why similar: Tower Defense 60.3%, Strategy 30.1%, Sci-fi 9.6%
- #48 IDUN - Frontline Survival
63% 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 52.9%, Strategy 26.4%, Sci-fi 11.5%, Action 9.2%
- #49 No Creeps Were Harmed TD
63% 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 56.6%, Strategy 25.5%, Sci-fi 10.9%, Action 7%
- #50 GemCraft - Chasing Shadows
69% matchVery Positive95% of 4,334 reviews2015
Dev: Game in a BottlePub: Armor Games Studios
Windows
Median: 4.6 hrsMean: 19.2 hrs≥1hr: 91%
An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her.
Why similar: Tower Defense 68.5%, Strategy 22.4%, Indie 5.8%, Action 3.4%
- #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: Tower Defense 54.6%, Strategy 25.9%, Sci-fi 10.3%, Indie 9.2%
- #52 Fortified
71% matchMostly Positive74% of 1,720 reviews2016
Dev: Siege Camp
Windows
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 89%
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.
Why similar: Action 68.1%, Tower Defense 19.4%, Strategy 7.4%, Indie 3.6%, Sci-fi 1.5%
- #53 Repel The Rifts
60% 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 61.7%, Strategy 21.2%, Sci-fi 12.5%, Indie 4.5%
- #54 Fortify
72% matchMostly Positive74% of 98 reviews2016
Dev: Holgersson Entertainment
Windows
Median: 48 minMean: 6.2 hrs≥1hr: 46%
Fortify is a real-time strategy game with a tower defense twist. Defend your castle from attacking monsters and siege weapons by using ranged and melee defenders, catapults, cannons, oil fields and more. You start at the iron age, advancing to the medieval age, and later, the imperial age.
Why similar: Strategy 56.8%, Indie 22.2%, Action 21%
- #55 Dome Keeper
62% 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 63%, Action 19.2%, Sci-fi 17.8%
- #56 Selknam Defense
73% matchMixed42% of 57 reviews2014
Windows · Mac
Median: 30 minMean: 1.7 hrs≥1hr: 33%
Selknam Defense is more than an exceptional strategy game. It’s a gateway to the past that puts a nation’s destiny into your control. Do you have the skills to alter history and save the Selknam?
Why similar: Tower Defense 50.9%, Strategy 30.6%, Indie 12.1%, Action 6.5%
- #57 Stellar Initiative
62% 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 60.6%, Strategy 27.7%, Sci-fi 11.6%
- #58 Rift Riff
58% matchVery Positive96% of 365 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 62.3%, Strategy 28.1%, Action 9.6%