
Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!
60+ similar titles based on shared tags and player behavior. Themes include Singleplayer, Tower Defense, Indie, Casual.

Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!

Galaxy Defense War
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.

Beware Planet Earth
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.
Why similar: Tower Defense 44.6%, Aliens 28.4%, Strategy 15.7%, 2D 6.5%, Casual 2.1%
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!
Why similar: Tower Defense 43.4%, Aliens 25.3%, Strategy 8%, Arcade 6.4%, Cartoony 4.4%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 65.5%, Aliens 14.8%, Strategy 10.7%, Action 3.5%, Casual 3%
Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!
Why similar: Score Attack 20%, Aliens 16.5%, Shoot 'Em Up 15.2%, Arcade 11.7%, Shooter 10.5%
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.
Why similar: Tower Defense 23.8%, Aliens 22.1%, Shoot 'Em Up 12.9%, Shooter 9.4%, Survival 8.3%
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 47.8%, Aliens 18.3%, Strategy 13.2%, 2D 7%, Casual 4.8%
Save Earth from an invasion of intergalactic chickens! Finger-blistering arcade shooting action for one or two players.
Why similar: Shoot 'Em Up 29.8%, Arcade 16.4%, Shooter 15.9%, Action 8.4%, Old School 6.8%
They came in peace, but messed with the wrong old man. Armed with a musket, 78 year old Murray Mendelson has single-handedly started an interstellar war. Shoot first and ask questions later in this endless fast paced arcade shooter. Use everything in Murray’s arsenal to keep the aliens off of his perfectly manicured lawn!
Why similar: Tower Defense 31.6%, Aliens 28.3%, Shooter 19.5%, Arcade 7.2%, Casual 6.3%
this is a tower defence game,we need upgrade our weapons to fight waves of enemies,robots can mining diamonds,and we need spent those in many aspect,features of this game: 1 return back before dager comes,2tempory upgrade are important but permanent upgrade are better
Why similar: Tower Defense 33.2%, Shoot 'Em Up 25%, Mars 24.7% ★, Resource Management 6.1%, Cartoony 5.5%
Mars is under attack! An unknown enemy is dropping bombs on the peaceful red planet. It is up to you to fight off the onslaught so the innocent can escape. Run (umm...slide), jump and blast your way to freedom in the arcade-inspired goodness that is Martian Law. Save Mars!
Why similar: Mars 31.3% ★, Score Attack 13.9%, Arcade 11.5%, Action 10.1%, Indie 7.8%
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 27.3%, Shoot 'Em Up 24.6%, Aliens 20.3%, Survival 9.5%, Strategy 7.1%
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: Aliens 45.1%, Strategy 27.8%, Tower Defense 11.9%, Indie 9%, Singleplayer 3.5%
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 42.9%, Aliens 26.3%, Retro 7.3%, Strategy 7.2%, 2D 4.2%
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
Why similar: Mars 39.7% ★, Tower Defense 25.3%, Survival 10.9%, Resource Management 9.5%, Strategy 7.4%
Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.
Why similar: Shoot 'Em Up 23.3%, Tower Defense 22.3%, Aliens 13.9%, Shooter 10.6%, Survival 9.7%
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 32.7%, Aliens 26.2%, Survival 13.9%, Strategy 8.2%, Old School 6%
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 55%, Tower Defense 24%, Aliens 12%, Strategy 4.7%, Shooter 2.4%
In Defendoooooor!!!, it's your job to fight an alien invasion.
Why similar: Tower Defense 24.6%, Fast-Paced 24.2%, Arcade 12.2%, Shooter 11.2%, Action 9.5%
Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter. Customize your ship, upgrade weapons, and battle through intense levels to save humanity in this action-packed space adventure.
Why similar: Aliens 38.9%, Survival 16.5%, Arcade 15.4%, Shooter 15.1%, 2D 6.5%
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Why similar: Tower Defense 46.2%, Aliens 34.1%, Strategy 11.8%, 2D 6.9%, Singleplayer 1.2%
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 55.1%, Strategy 24.3%, Action 12.6%, Indie 7.9%
GalaxIverse is a top down fast paced vertical blastathon, Battle Fleets and formations of aliens with the occasional boss thrown in for good luck.
Why similar: Shoot 'Em Up 36.2%, Shooter 20.3%, Arcade 15.5%, Aliens 9.1%, Action 5.7%
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 43.1%, Aliens 28.8%, Shooter 11.4%, Strategy 9%, Action 4.2%
Use a variety of fireworks to fend off misfortune and protect your family!
Why similar: Tower Defense 61.4%, Strategy 20.7%, Casual 10.1%, 2D 4.8%, Indie 2.4%
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 53.9%, Casual 18.6%, Strategy 17.4%, Action 5.8%, Indie 4.3%
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: Aliens 27.1%, Tower Defense 25.7%, Shooter 11.1%, Survival 11%, Resource Management 10.4%
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 79.6%, Strategy 12.3%, Casual 4.5%, Indie 3.7%
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 36.2%, Shoot 'Em Up 30.8%, Survival 14.8%, Strategy 8.1%, 2D 3.8%
Gemini is an action tower defense game, where your goal is to protect the crystal and stay alive.
Why similar: Tower Defense 53.8%, Strategy 12%, Action 11.2%, 2D 9.1%, Casual 7.7%
Galactic Battles is a complex 2D top-down space shooter in which you have to fight with alien invaders.
Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.
Why similar: Tower Defense 36.3%, Aliens 21%, Shooter 11.1%, Cartoony 8.5%, Strategy 8.2%
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 72%, Strategy 18%, Indie 4.6%, Casual 3.2%, Singleplayer 2.2%
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 46.4%, Resource Management 20.8%, Retro 12.9%, Action 9.3%, 2D 7.9%
Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.
Why similar: Strategy 31.6%, Cartoony 24.6%, 2D 19.7%, Action 13.9%, Casual 10.1%
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 73.9%, Aliens 12.7%, Strategy 10.2%, Indie 2.2%, Singleplayer 1%
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
Why similar: Tower Defense 52.9%, Shoot 'Em Up 32.4%, Strategy 10.4%, Casual 4.3%
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 36.8%, Aliens 25.3%, Survival 15%, Strategy 9.3%, Shooter 9.1%
U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race?
Why similar: Aliens 43.1%, Action 22.3%, Resource Management 20.3%, Indie 14.3%
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
Defend your ancestral castle – show the invader who the master is! Build towers, save money, train your spells, and your enemy will be vanquished.
Why similar: Tower Defense 44.9%, Arcade 13.3%, Strategy 13%, Cartoony 7%, 2D 6.6%
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 50%, Aliens 22.1%, Resource Management 15.2%, Strategy 11.5%, Singleplayer 1.2%
Race through caverns while blasting away enemies and terrain to reach the depths of Mars in this reimagining of the 1981 classic.
Why similar: Mars 34.4% ★, Aliens 16.7%, Score Attack 10.9%, Shooter 10.7%, Arcade 9.9%
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 43.1%, Strategy 31.2%, Action 14.8%, Indie 10.9%
Protect the Earth from an alien invasion in this Run N’ Gun action spectacle. Take control of G.U.N.N.R. and battle your way through a blast from the pixelated past.
Why similar: Shoot 'Em Up 28.9%, Arcade 14.4%, Fast-Paced 14.1%, Shooter 9.7%, Retro 9.7%
You are Earth's last line of defense in a relentless alien invasion. Experience intense top-down roguelite action across diverse landscapes, fighting invaders with a versatile arsenal. Outsmart, outgun, and survive your foes. Every run increases the challenge - so adapt, evolve, dominate!
Why similar: Aliens 54.4%, Survival 26.4%, Action 7.4%, Casual 5.3%, Indie 4.6%
Defend your cities from an assault of missiles, planes, tanks, and more! Play solo or with a friend in co-op in this modern reimagining of the arcade classic.
Why similar: Shooter 29.4%, Arcade 28.2%, Score Attack 21.7%, 2D 10.9%, Action 9.8%
Explore alien planets to mine resources, kill alien insects, build defense turrets, and survive waves of insect attacks across the galactic frontier. Astro Looter combines elements of survival, roguelike, and tower defense in a top-down shooter.
Why similar: Tower Defense 45.3%, Survival 21.6%, Shooter 20.3%, Action 5.9%, Casual 4.7%
An arcade strategy game about defending your garden. Grow potatoes, onions and carrots to defend your lawn!
Why similar: Survival 29.4%, Strategy 29.2%, 2D 15.8%, Tower Defense 13.6%, Arcade 9.8%
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 71.9%, Strategy 20%, Action 8.2%
Protect vehicles on the road and survive! Road Defense: Outsiders is a game that combines elements of the 'roguelike' and 'tower defense' genres. Upgrade the towers and your own skills to be able to annihilate all the life around you!
Why similar: Tower Defense 30.6%, Score Attack 21.6%, Arcade 13%, Shooter 13%, Retro 7.9%
Join Mr. Gaffer on his mission to protect the peace of his home in this dynamic strategy game. Test your wits and reflexes as you face intense waves of enemies, and compete in thrilling mini-games against other players.
Why similar: Tower Defense 42.7%, Old School 15.6%, Strategy 11.8%, Cartoony 9.4%, Retro 7.4%
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: Tower Defense 49.9%, Strategy 22.8%, Old School 10.5%, Action 9%, Indie 7.8%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 57.6%, Aliens 12.6%, Strategy 11.1%, Retro 4.5%, Arcade 4.5%
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 67.6%, Strategy 19.5%, Action 8%, Indie 4.9%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 48.4%, Strategy 24.6%, Aliens 14.8%, Action 6.3%, Indie 4.8%
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Why similar: Tower Defense 37.6%, Aliens 36.8%, Resource Management 12.7%, Strategy 8.3%, Indie 3.3%
Planet DOS is under attack by Space Aliens, DOSMan needs to fend them off and defend his home planet!
Why similar: Shoot 'Em Up 41.9%, Shooter 23%, Cartoony 10.6%, Old School 10.3%, Action 7.6%
Candy Disaster is 3D trap-style tower defense game where you guard candies against alien thieves! Unlock powerful and clever traps, choose your arsenal for different bases, and find the deadliest trap combination - then watch those space goons walk into their death!
Why similar: Tower Defense 35.3%, Survival 24.6%, Arcade 14.5%, Strategy 9.1%, Cartoony 8.3%
A minimalist rogue-like tower defense where you protect Earth against humanity.
Why similar: Tower Defense 40.3%, Aliens 31.8%, Survival 18%, Action 4.7%, Indie 2.3%