- #1 Close the Sky
97% matchNo user reviews2026
Dev: Iron Trident Games
Windows
A real-time war of air defence and industry. Build the economy, bury it, and layer SAMs over what you cannot hide. Read a fading intel picture of the enemy base and aim every missile yourself. Break their will to fight before they break yours.
Why similar: Real Time Tactics 22.6%, Tower Defense 18.6%, RTS 13.3%, Military 11.4%, Economy 8.8%
- #2 Sphere Invasion
96% match2 user reviews0% of 2 reviews2020
Dev: Space and Frogs
Windows
Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.
Why similar: Real Time Tactics 26.8%, Tower Defense 24.1%, Military 14.6%, War 9.8%, Space 9.2%
- #3 Loop Defense: Acquisition Protocol
96% matchNo user reviews2026
Dev: ChaosRefuge
Windows
Loop Defense is a single-player sci-fi tower defense game. Build enemy routes with base walls, assemble a modular defense, manage limited loadouts, energy, and research, face armored, flying, carrier, and wall-breaker units across a star map, or challenge Endless Mode.
Why similar: Real Time Tactics 24.9%, Tower Defense 20.4%, Military 15.9%, Space 8.9%, War 8.8%
- #4 Radar Line
95% matchNo user reviews
Dev: Artem Marynenko
Windows · Mac
Command a radar-guided air-defense network against drones, cruise missiles, and ballistic threats. Buy intelligence, deploy radars and launchers, manage a limited stock of interceptors, then investigate every breach before the next attack begins.
Why similar: Tower Defense 25.6%, Real Time Tactics 24.2%, Military 15.8%, Strategy 8.2%, Management 8.2%
- #5 Failover
94% matchNo user reviews2027
Dev: Maksym Vostruhin
Windows
Take command of civil air defense under constant threat. Build radar networks, manage power and resources, and decide when to sound the sirens. Every choice has consequences. Hold your cities together as escalation turns survival into strategy.
Why similar: Real Time Tactics 30.7%, RTS 13.7%, Management 11.5%, Military 10.6%, Tower Defense 9.7%
- #6 Planetary Siege
94% matchNo user reviews
Dev: Planetary Siege Devs
Windows
A unique 3D tower defense game set on randomly generated planets! Place towers to defend against 360-degree attacks, protect mining outposts, and survive intense meteor waves. Earn resources, and face endless replayability with dynamic challenges every playthrough!
Why similar: Tower Defense 22.5%, Real Time Tactics 21.9%, Economy 11.1%, Space 10.8%, War 8.4%
- #7 Void TD
93% matchNo user reviews
Dev: kalopsys
Windows · Linux
Build powerful defenses, collect loot, combine effects, and survive evolving waves from the void in a tower defense game driven by ARPG-inspired buildcrafting and persistent progression.
Why similar: Real Time Tactics 23%, Tower Defense 20.7%, Military 13.9%, RTS 13%, War 10.5%
- #8 King War [RTS]
92% match4 user reviews50% of 4 reviews2023
Dev: Aurora
Windows
Who can be the last king in the dogfight between the countries of the earth and aliens? A pixel-style real-time strategy game, a simple and easy experience for placing units
Why similar: Tower Defense 24%, Real Time Tactics 22.4%, RTS 16.5%, Military 12.5%, Strategy 12.1%
- #9 Zerion 12
91% match1 user reviews100% of 1 reviews2025
Dev: Gray Mantis
Windows
A sci-fi tower defense game. Build an army of towers to stop waves of a lured alien species called Zektid's.
Why similar: Real Time Tactics 29%, Tower Defense 27.4%, Military 14.9%, Strategy 11.2%, Space 7.6%
- #10 Thukothea Defender
91% match6 user reviews50% of 6 reviews2021
Dev: DjokaGames
Windows · Linux
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!
Why similar: Tower Defense 38.7%, Real Time Tactics 25.4%, RTS 9.5%, Strategy 9.1%, War 6.5%
- #11 Space Base Defense
89% match3 user reviews33% of 3 reviews2025
Dev: Morgenmiddag
Windows · Mac
A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?
Why similar: Real Time Tactics 23.8%, Tower Defense 21.6%, RTS 13.6%, Management 9.4%, Space 8.3%
- #12 Quad Dice Defence
90% match5 user reviews20% of 5 reviews2022
Dev: Chessmat
Windows
This is a tower defense game where you use four dice to build a turret. The rolls of the dice are the ability value of "number of shots", "time reload", "damage(& range)" and "magazine". Try your best to clear all 40 stages, which are getting more and more difficult!
Why similar: Tower Defense 38.4%, Real Time Tactics 31.7%, Management 13.7%, Strategy 12.5%, 2D 2.8%
- #13 Breachline
89% matchNo user reviews2026
Dev: Andrew Games
Windows
Hold the line in a neon sci-fi siege. Deploy and upgrade 14 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.
Why similar: Real Time Tactics 32.9%, Tower Defense 29.9%, Strategy 8.4%, Space 6.7%, Economy 5.8%
- #14 Space Tower Defense
87% match1 user reviews0% of 1 reviews2026
Dev: KKDM
Windows
A strategic space tower-defense game. Enemies detect, warn, and try to bypass defenses, forcing you to adapt. Combine diverse towers and face unique maps for varied battles. With tense sci-fi atmosphere, it delivers a fresh experience beyond traditional tower defense.
Why similar: Real Time Tactics 26.6%, Tower Defense 24.1%, RTS 15.3%, War 11%, Space 9.6%
- #15 Legend Of Nazera: War
88% match1 user reviews100% of 1 reviews2023
Dev: Coalition of Gamers Geeks and Nerds
Windows
Tower defense adventure where you recruit heroes and use them to take down the corruption.
Why similar: Real Time Tactics 37.1%, Tower Defense 28.4%, Strategy 9.8%, War 9%, PvE 8.5%
- #16 SALVO
86% matchNo user reviews
Dev: Rice Golem Productions
Windows
Experience cinematic space warfare in SALVO, an action packed real-time tactical combat simulator. Command your flagship and engage in intense battles in a war-torn solar system. Play a story-driven campaign, or forge your own destiny across the dangerous frontiers.
Why similar: Real Time Tactics 25.1%, Military 17.1%, War 10%, Space 9.6%, Strategy 9.3%
- #17 Network Empire
86% match1 user reviews100% of 1 reviews2026
Dev: Corsan
Windows
Build your telecom empire in France: unlock regions, deploy antennas, and dominate the market against the competition. Manage your rates and marketing, unlock technologies from 2G to 5G, and develop your reputation to attract even more customers!
Why similar: Real Time Tactics 34.5%, Economy 20.3%, Management 14.6%, RTS 12.9%, Strategy 7.7%
- #18 Red Conflict 2044
85% matchNo user reviews
Dev: NBS-Games
Windows
An alternate reality sci-fi survival RTS. Command, defend and dominate in 2044 against endless waves of Soviet super soldiers. Two factions, each with their own distinct technology and tactics.
Why similar: Real Time Tactics 22.2%, Tower Defense 18.8%, Economy 14.5%, Military 13.8%, War 9.7%
- #19 Toy Shire: Room One
84% matchVery Positive94% of 1,274 reviews2024
Dev: Bluespy StudiosPub: Catoptric Games
Windows
Median: 30 minMean: 10.3 hrs≥1hr: 14%
Are you prepared for a thrilling toy army tower defense adventure? Welcome to the Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers! FULL GAME AVAILABLE NOW!
Why similar: Tower Defense 27.9%, Real Time Tactics 20.7%, Military 14.5%, RTS 14.2%, War 9.5%
- #20 Castle Of Void
84% matchPositive100% of 13 reviews2023
Dev: Determined Fantasy
Windows
Your main goal is to defend the castle, because the enemies will stop at nothing. Do not let them break through the defense, as their ambition is to capture your fortress and gain power over your kingdom.
Why similar: Real Time Tactics 27.2%, Tower Defense 26.7%, Economy 15.2%, RTS 13.9%, Management 9.8%
- #21 Alpha Ceti TD
82% matchNo user reviews2026
Dev: Alpha DevelopmentPub: HASH CLASH
Windows · Linux
Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.
Why similar: Real Time Tactics 35.4%, Tower Defense 27.3%, Strategy 9.3%, Management 8.8%, PvE 8.2%
- #22 Element TD
83% matchMostly Positive75% of 100 reviews2017
Dev: Element Studios
Windows
Light, Darkness, Water, Fire, Nature, and Earth elements come together in this tower defense focused on combinations.
Why similar: Real Time Tactics 34.5%, Tower Defense 33.3%, RTS 15%, PvE 8.4%, Strategy 5.9%
- #23 ローマ帝国の逆襲 Counter Attack of Roman Empire
81% matchNo user reviews2027
Dev: 杉浦秀樹Pub: Cryptmeria
Mac
"May you be the proud eagle that saves Rome... Now, go forth as your heart desires." Set in a turbulent era that shakes the fate of the Roman Empire, young protagonist Julian rises to the challenge, driven by the tears and prayers of Empress Eusebia.
Why similar: Real Time Tactics 34.3%, Military 21.9%, War 15.1%, RTS 13.8%, Strategy 7.3%
- #24 星旅:前奏 Wandering Planet: Prelude
82% matchNo user reviews2024
Dev: 凌梦工作室
Windows
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.
Why similar: Real Time Tactics 24.4%, Tower Defense 23%, Space Sim 16.6%, RTS 14.4%, Space 8.8%
- #25 Imperius
81% matchMostly Positive75% of 24 reviews2024
Dev: Incognito Interactive
Windows
Imperius is an easy-to-learn, hard-to-master space RTS. Command devastating ships of the Imperius Navy and prove your loyalty by destroying everything in your path, no matter the cost.
Why similar: Real Time Tactics 21%, Military 14.4%, Economy 12.7%, RTS 11.9%, War 11.2%
- #26 IRON GUARD: Salvation
78% matchVery Positive94% of 51 reviews2025
Dev: Xlab Digital
Windows
Defend humanity in IRON GUARD: Salvation. Build and upgrade turrets, support your heroes, and personally join the fight with your drone’s firepower against relentless machines.
Why similar: Real Time Tactics 26.2%, Tower Defense 22.2%, RTS 13.1%, Military 12.6%, Management 8.8%
- #27 Brave and Glory
79% match1 user reviews0% of 1 reviews2024
Dev: RCGstudio
Windows
This thrilling real-time strategy tower defense game immerses you in a three-dimensional world, where every decision matters and every action impacts the outcome of the battle. Get ready for epic battles and become the hero of the kingdom!
Why similar: Real Time Tactics 40.1%, Tower Defense 30.6%, RTS 17.3%, Strategy 6.8%, Top-Down 3.9%
- #28 Earth's Last Stand
79% matchNo user reviews
Dev: TAbandija
Windows
A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.
Why similar: Tower Defense 33%, Real Time Tactics 25.4%, Military 16.3%, Strategy 7.9%, Space 5.9%
- #29 Defensive War -SEALED GOLEM-
80% matchNo user reviews2022
Dev: S.T-Brothers
Windows
Human VS monsters. Protect the castle! Wave-based real-time strategy (RTS). Protect your castle from attacking enemy monsters with warriors, Cavalry, magic, catapult. The Hero and the golem, along with his companions, go looking for the cause of the appearance of monsters in the world.
Why similar: Real Time Tactics 30.8%, Tower Defense 24.9%, RTS 17.6%, Strategy 11.9%, Simulation 7.4%
- #30 Space Empires: Starfury
78% matchMostly Positive71% of 20 reviews2020
Dev: Malfador MachinationsPub: Strategy First
Windows
In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.
Why similar: Real Time Tactics 29.1%, Space 14.9%, Space Sim 14.5%, RTS 12.9%, Strategy 11.2%
- #31 Super Onslaught
77% matchNo user reviews2026
Dev: Cactu
Windows
A real time strategy, tower defense game where you can evolve your turrets and give them special abilities.
Why similar: Tower Defense 29.5%, Real Time Tactics 29%, RTS 16.7%, Strategy 12.4%, War 9.1%
- #32 Spirit Summoner
77% matchNo user reviews2024
Dev: Zerosx26
Windows
3D Real-time strategy attack enemy defense with upgradable summoned units. You play as Spirit Summoner to destroy modern human sophisticated defenses of a small city. Devise a masterful strategy that utilizes your summoned creatures to their fullest potential and breach their fortifications.
Why similar: Real Time Tactics 38.3%, Tower Defense 23.6%, War 11.3%, Strategy 11.1%, RTS 9.6%
- #33 The Extinction Directive
75% match1 user reviews100% of 1 reviews2025
Dev: CustomBit
Windows
A single-player sci-fi strategy game set in a future where humankind has made the first leap to a distant star system
Why similar: Real Time Tactics 27.5%, Tower Defense 25.8%, RTS 16.9%, Strategy 11.3%, War 8.3%
- #34 Artillery Tycoon
74% matchPositive94% of 18 reviews2025
Dev: Awful Waffle Studio
Windows
Build and manage an artillery factory in the WWI era. Research authentic weapon components, engineer deadly firepower, test prototypes on your firing range, and compete for lucrative government contracts. From the French 75 to the German 7.7, your designs will decide the fate of nations.
Why similar: Military 20.4%, Real Time Tactics 19.8%, Economy 18.2%, Strategy 10.4%, Simulation 8.8%
- #35 Our War: The Strongest Shield
75% match7 user reviews86% of 7 reviews2024
Dev: Chengdu Old Man
Windows
A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.
Why similar: Real Time Tactics 26.1%, Tower Defense 23.5%, Military 14.9%, RTS 14.6%, War 8.2%
- #36 Countryballs Conquest
74% matchVery Positive86% of 90 reviews2025
Dev: Indenial Games
Windows
Lead your country through the Victorian age, expand your empire as you go head to head with the great powers of the world.
Why similar: Real Time Tactics 25.3%, Military 17.3%, War 15.6%, Management 13.2%, Strategy 7.5%
- #37 Galaxy Commanders
73% matchNo user reviews
Dev: MagmaByte
Windows
ASSEMBLE AND COMMAND YOUR SPACE FLEET TO VICTORY
Why similar: Real Time Tactics 36.7%, RTS 15%, Space 14.2%, Tower Defense 10.5%, War 9.5%
- #38 City Defense
76% matchMostly Negative38% of 13 reviews2018
Dev: Studio48
Windows
City Defense is a tower defense game. The enemies decided to blitzkrieg and a small town turned out to be the line of attack. Build automatic turrets to destroy enemy equipment, pump them, and earn money for the victory over each enemy, because only with a sly strategy and cold mind you can win this battle.
Why similar: Tower Defense 29.9%, Real Time Tactics 24.5%, Military 14.8%, Strategy 10.3%, War 10.1%
- #39 红色史诗
73% matchNo user reviews2026
Dev: 旧日档案工作室
Windows
This is a hybrid tower defense and light RTS strategy game set during the Long March of the Chinese Red Army. Based on real history and terrain, it lets players fight across faithful campaign maps and experience the Red Army’s resilience and tactical ingenuity.
Why similar: Tower Defense 31.2%, Real Time Tactics 25.1%, Military 15.1%, Strategy 10.4%, RTS 7.2%
- #40 Star Ash Fleet
71% matchMostly Positive75% of 16 reviews2025
Dev: Redonleft
Windows
Star Ash Fleet is a groundbreaking real-time strategy game that transcends tradition. Set against a holographic 2D battlefield simulating interstellar warfare, players assume the role of a newly appointed Federal Fleet Commander, crafting their own war epic across the vast galaxy.
Why similar: Real Time Tactics 29.8%, RTS 16.5%, War 14.5%, Space 12.3%, Military 11.7%
- #41 M.A.C.E. Tower Defense 2
72% matchNo user reviews
Dev: EntwicklerX
Windows
M.A.C.E. Tower Defense 2, a classic tower defense game with unique towers and enemies
Why similar: Real Time Tactics 34.3%, Tower Defense 32.3%, Military 17.1%, Strategy 13.7%, Sci-fi 2.7%
- #42 Little Kingdom RTS
70% matchVery Positive86% of 80 reviews2025
Dev: MyDreamForeverPub: Andgo Games
Windows
Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.
Why similar: Tower Defense 22.8%, Real Time Tactics 22.4%, RTS 13.7%, War 11.5%, Management 8%
- #43 Cosmic Stronghold
71% matchNo user reviews
Dev: Nikolaj Piet PaghPub: PetskullGames
Windows
Cosmic Stronghold is a mix of the genres RTS and Tower Defense. Your primary goal is to keep your space station alive for as long as possible, so that it can harvest the nearby mines for precious mineral ores. You will be faced with waves of enemies, getting stronger and stronger for each wave.
Why similar: Real Time Tactics 24.8%, Tower Defense 23%, RTS 14.3%, Economy 12.1%, Management 7.2%
- #44 rymdkapsel
73% matchVery Positive83% of 278 reviews2014
Dev: grapefrukt games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 76%
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
Why similar: Real Time Tactics 31.6%, Tower Defense 25.9%, RTS 15.5%, Space 9.8%, Strategy 6.4%
- #45 Phosphor Command
71% matchNo user reviews
Dev: Sorce Studios
Windows
You command a forward operating base in a world ravaged by war and shadow contracts. Deploy squads into real-time tactical combat, research upgrades, manage a fragile economy, and push back a front that never stops advancing.
Why similar: Real Time Tactics 21.1%, Tower Defense 16.9%, Military 14.9%, RTS 11.2%, War 10.8%
- #46 Ambush: Convoy Strike
72% matchPositive88% of 17 reviews2021
Dev: Team Modernator
Windows
Deploy unique and powerful unmanned military turrets and stop the advancing enemy convoys!
Why similar: Tower Defense 27.4%, Military 21.4%, Real Time Tactics 18.2%, War 14.7%, Simulation 8.4%
- #47 Mini Warrior Defense
69% matchMostly Negative38% of 29 reviews2026
Dev: Playonesoft
Windows
Lead your warriors on an epic adventure to defend your kingdom from invaders - in this action tower defense game, you can use various defense towers, levels, heroes, and many good things to help you destroy enemies!
Why similar: Tower Defense 30.6%, Real Time Tactics 26.6%, RTS 14.8%, Strategy 7.5%, Military 6.9%
- #48 Wild Growth TD
70% matchNo user reviews
Dev: Sgt. PepPep
Windows
Grow out your defenses and defend against waves of invasive enemies. Manage resources, explore further out into the wilds, and strengthen your grove. Wild Growth TD combines tower defense with real time strategy and rogue-lite elements.
Why similar: Real Time Tactics 27.7%, Tower Defense 25.3%, RTS 15.1%, Economy 14.9%, Management 8.4%
- #49 Warnet
70% matchNo user reviews
Dev: Spieltic
Windows · Linux
Outmaneuver, outbuild, outthink. In Warnet, the map is your ally and your enemy - master its properties, and you master victory.
Why similar: Real Time Tactics 22.3%, Tower Defense 21.3%, RTS 13.4%, War 11.7%, Management 6.1%
- #50 Biletide
67% matchPositive100% of 29 reviews2026
Dev: Formic Games
Windows · Mac
An atmospheric tower-defence strategy game about holding back an oozing toxic Tide. A distant mining colony has awakened a living flood that seeps from breaches in the ground. Dig for resources, raise defensive terrain, and burn your way to seal the breaches. Can you survive the Biletide?
Why similar: Tower Defense 28.4%, Real Time Tactics 25.9%, RTS 14.7%, Economy 14.2%, Strategy 9.1%
- #51 Phyto
68% match9 user reviews100% of 9 reviews2024
Dev: aXelis
Windows
Grow and evolve 32 different plants in this tower defense! Unlock new skills an units by finding seeds throughout 100 levels. Replay each map as much as possible, to push the challenge and rewards even further!
Why similar: Tower Defense 33.6%, Real Time Tactics 26.5%, RTS 14.6%, Management 7.9%, Strategy 7.7%
- #52 Eclipse Devour
69% matchNo user reviews
Dev: Mousar Games
Windows
Build orbital rail systems, combine trains, turrets, and weapons, and defend hostile planets against overwhelming swarms. Every run offers chaotic build variety, explosive firepower, and endless strategic possibilities.
Why similar: Tower Defense 27.7%, Real Time Tactics 20.7%, Space Sim 14.4%, Space 12.2%, Strategy 11%
- #53 Geo Defense
67% matchNo user reviews100% of 1 reviews2026
Dev: NIKEBA
Windows
Geometry Defense is a fast-paced geometric shooter where every level brings a new choice. Choose from random upgrade gates, combine powerful abilities, and evolve your strategy as enemies grow stronger. Experience simple controls, endless combinations, and satisfying progression.
Why similar: Real Time Tactics 32.6%, Tower Defense 31.8%, RTS 15.3%, Strategy 9%, Management 5.9%
- #54 Negative Energy
68% match3 user reviews67% of 3 reviews2025
Dev: ByVal Games
Windows · Linux
Negative Energy is a tower defense game with basic RTS mechanics, where your goal is to defend the construction of a Dyson sphere, while fighting against waves of hundreds of enemies ships.
Why similar: Tower Defense 28.6%, Real Time Tactics 28.5%, RTS 16.3%, Strategy 11.6%, Space 7.2%
- #55 Military Defense
69% matchNo user reviews2025
Dev: Taranau Aliaksei
Windows
Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.
Why similar: Real Time Tactics 24%, Tower Defense 23.8%, RTS 14%, Military 12.9%, War 9.3%
- #56 Power TD
67% matchNo user reviews
Dev: FunGame Studio
Windows
Power TD is a 3D top-down strategy tower defense game where players must build and strategically balance defensive towers with essential Energy Facilities. The core challenge is maintaining power while designing intricate mazes to maximize enemy exposure to tower attacks.
Why similar: Real Time Tactics 32.5%, Tower Defense 32.4%, RTS 14.8%, Strategy 9.3%, Management 7.1%
- #57 Chicken Clash
67% matchNo user reviews
Dev: Tarchin Studios
Windows · Mac
Chicken Clash is an engaging and action-packed multiplayer tower defense game that puts players' strategic skills to the test. In this game, players must work together to protect their territory from waves of invading enemies.
Why similar: Real Time Tactics 33.8%, Tower Defense 31.8%, Strategy 13.4%, Management 11.2%, War 9.8%
- #58 天降神兵(Soldiers from the sky)
66% matchPositive80% of 10 reviews2025
Dev: HU9940007
Windows
A real-time strategy game that does not require micro operations
Why similar: Tower Defense 29.2%, Real Time Tactics 28.8%, RTS 20.3%, War 9.2%, Strategy 7.8%
- #59 战地指挥官/Battleboom
68% matchMixed53% of 32 reviews2021
Dev: Battleboom Studio
Windows
"Battleboom"is a fair battle game with military theme.You will play the role of a commander to deploy and command your team. Find your combinations,try your best to destroy the enemy's base to win! come and battle!
Why similar: Real Time Tactics 28.2%, Military 25.1%, RTS 15.4%, Strategy 12.4%, War 9.3%