
In Defendoooooor!!!, it's your job to fight an alien invasion.
60+ similar titles based on shared tags and player behavior. Themes include Action, Singleplayer, Indie, 2D.

In Defendoooooor!!!, it's your job to fight an alien invasion.

Cannons-Defenders: Steam Edition
Hardcore 2D game with a fascinating and unusual mechanics, where you have to defend the base from annoying saboteurs.

Destructivator 2
A platform shooter that brings 90's gaming smashing into your face! Blast and insta-melee your way through hordes of alien soldiers, robots, bosses and loads more. Fight on foot, in a fighter or in a bomber. Take on bosses and ensure that the alien menace won't threaten Earth ever again!
Hardcore 2D game with a fascinating and unusual mechanics, where you have to defend the base from annoying saboteurs.
Why similar: Great Soundtrack 22.6%, Action 22.5%, Indie 15.1%, Tower Defense 14.4%, Difficult 11.7%
A platform shooter that brings 90's gaming smashing into your face! Blast and insta-melee your way through hordes of alien soldiers, robots, bosses and loads more. Fight on foot, in a fighter or in a bomber. Take on bosses and ensure that the alien menace won't threaten Earth ever again!
Why similar: Difficult 22.7%, Action 15%, Shooter 15%, Platformer 11.9%, Pixel Graphics 9.7%
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
Space. Anomalies. Throw down a challenge to mad alien mutants in dynamic firefights with continuous injection of adrenaline! Get ready for the most unforgettable and enchanting space confrontation of all time!
Why similar: Fast-Paced 16.3%, Great Soundtrack 15.5%, Arena Shooter 14%, Action 12.2%, Indie 9.1%
Pizza Tower is a fast paced 2D platformer, with an emphasis on movement, exploration and score attack. Featuring highly stylized pixel art inspired by the cartoons from the '90s, and a highly energetic soundtrack.
Why similar: Great Soundtrack 24.9%, Fast-Paced 21.9%, Cartoony 10.6%, Platformer 7.4%, Funny 6.4%
Test your reflexes in POLYGONEER, defend yourself from prolygonal shapes taht comes from everywhere, just hitting is not enough you need to match the right color shot to the polygon too! Are you ready for the challenge?
Why similar: Great Soundtrack 20.6%, Action 19.8%, Indie 16.1%, Arcade 14.4%, Difficult 12.3%
Planet DOS is under attack by Space Aliens, DOSMan needs to fend them off and defend his home planet!
Why similar: Minimalist 16.5%, Cartoony 16.2%, Action 15.3%, Shooter 14.7%, Adventure 14.5%
Distant future… Brutal gladiatorial battles is a top-rated show, extremely popular all over the Universe. You’ve been sent to the abandoned planet as one of the participants of the show. Your goal is to survive as long as possible, fighting back deadly creatures in the focus of billions of viewers.
Why similar: Tower Defense 16.2%, Great Soundtrack 14.4%, Fast-Paced 12.9%, Action 11.2%, Difficult 9.7%
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 27.2%, Action 17.6%, Sci-fi 16.6%, Adventure 11.3%, Pixel Graphics 9.2%
Fight to survive on a mysterious alien planet, outwit its vicious inhabitants, and do whatever it takes to find a way off that wretched rock.
Why similar: Great Soundtrack 16.6%, Action 12.5%, Adventure 10.9%, Shooter 10.8%, Difficult 10%
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: Sci-fi 27.8%, Action 25.1%, Adventure 23.8%, Indie 17.6%, Singleplayer 5.7%
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 39.1%, Arena Shooter 31.8%, Action 12.3%, Minimalist 11.9%, 2D 4.9%
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 59.5%, Action 24.5%, 2D 11.4%, Singleplayer 4.6%
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 28.1%, Great Soundtrack 24.7%, Difficult 14.4%, Shooter 12.5%, Action 10.9%
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: Action 20.5%, Arcade 16.6%, Shooter 13.6%, Fast-Paced 10.6%, Arena Shooter 10.3%
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 44%, Action 32.7%, Indie 23.3%
Break through unlimited waves of enemies and fight unpredictable bosses!
Why similar: Great Soundtrack 20.1%, Indie 14.2%, Action 13.3%, Arcade 11.2%, Adventure 9.9%
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 44.3%, Sci-fi 19.8%, Action 15.2%, Shooter 11.3%, Pixel Graphics 7.4%
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 28.8%, Action 13%, Shooter 11.7%, Pixel Graphics 9.8%, Indie 9.5%
Rocked by an explosive soundtrack, choose your band, place your equipments and defend the Rock 'N' Roll from everyone and everything who try to pull it down, on a totally hardcore tower defense!
Why similar: Tower Defense 56.3%, Great Soundtrack 17.9%, Action 8.7%, Adventure 7.3%, Indie 3.8%
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: Action 19.7%, Fast-Paced 18.8%, Arcade 18.6%, Indie 12.6%, Shooter 11.4%
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!
Why similar: Tower Defense 24.6%, Fast-Paced 24.2%, Arcade 12.2%, Shooter 11.2%, Action 9.5%
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.
Why similar: Tower Defense 32.5%, Action 13.3%, Platformer 12.9%, Adventure 11.1%, Pixel Graphics 11%
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 37.1%, Difficult 20.4%, Action 12.1%, Indie 11.8%, Sci-fi 6.7%
No Princess, only Pineapple! Dodge bullets, leap lava pits, and wall-jump your way up the Big Tower in this precision platformer. Quick deaths, generous respawns, and a whole lot of jumping.
Why similar: Action 17.4%, Adventure 17.4%, Great Soundtrack 15.2%, Indie 13.4%, Difficult 11.6%
Defend Billy and his crew on their way to the extraction zone! You have been authorized to use the defense system. Protect them from giant bugs, malfunctioning droids and more...
Why similar: Sci-fi 40.8%, Indie 35.5%, Tower Defense 12.7%, Singleplayer 11%
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 47.3%, Sci-fi 22.1%, Action 17.9%, 2D 7.3%, Singleplayer 5.2%
1917 - The Alien Invasions is a bullet hell memorization shooter. Dr. Brunhild Stahlmüller upgrades an WW1 Triplane with superior alien technology to attack the invaders. She will avenge mankind and take the battle into the darkness of space until she reach an ancient alien world.
Why similar: Action 21.3%, Great Soundtrack 19.1%, Indie 15.5%, Arcade 10%, Shooter 7.8%
Play as an Octopus scientist fighting off sunken skeletons in this frantic aquatic Tower Defense! Discover sea life turrets from unique biomes: Pistol Shrimp! Navy Seal! Death Ray! Deploy turrets whilst dodging enemy bullets as you venture the seven seas!
Why similar: Tower Defense 42.6%, Cartoony 18.6%, Action 11.7%, Indie 11%, Adventure 8.1%
LIBERATE THE GEOMETRIC PEOPLE AND SAVE THE MULTIVERSE! Fight through the randomly chosen universes of the Geometric Multiverse, arming yourself to the teeth with insane weaponry and mutating your mind, body, and soul with the unrelenting power of genetically altering pills.
Why similar: Action 18.4%, Adventure 17.3%, Fast-Paced 16.5%, Great Soundtrack 15.2%, Indie 13.4%
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.
Why similar: Action 19.3%, Adventure 18.7%, Indie 14.2%, Difficult 12.2%, Arcade 11.8%
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens. Persist them as long as you can.
Why similar: Action 32.8%, Adventure 24.4%, Indie 22%, Difficult 13.1%, Pixel Graphics 7.8%
Invaders are living inside your computer. You shouldn't let that happen! Interact with your desktop while playing, watch Youtube videos, chat with your friends and more! CPU Invaders overlaps the game itself with your computer screen.
Why similar: Great Soundtrack 24.5%, Funny 17.2%, Pixel Graphics 13.3%, Arcade 11.6%, Minimalist 9.4%
Save Earth from an invasion of intergalactic chickens! Finger-blistering arcade shooting action for one or two players.
Why similar: Action 30.6%, Arcade 20.9%, Shooter 18.5%, Cartoony 15.6%, Indie 7.1%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 49.5%, Indie 10.3%, Sci-fi 9.9%, Action 9%, Difficult 7.5%
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: Tower Defense 33.4%, Action 18%, Shooter 16.3%, Pixel Graphics 11.7%, Sci-fi 11.2%
A malicious orb has cast Savant out of his tower and transformed his surroundings into dangerous enemies!Dodge and shoot your way back up the tower, and blast down waves of enemies as you make your way towards the top! As you progress, you unlock CDs that not only give you new tracks to play to, but also grant you powerful new abilities!
Why similar: Great Soundtrack 32%, Fast-Paced 25.1%, Action 14.1%, Indie 9.3%, Arcade 6.3%
Cyber Tower 2048 is an action tower defense game where players fight insectoids by building defenses and developing tactics.
Why similar: Tower Defense 32.3%, Fast-Paced 19.2%, Action 17%, Arcade 8.3%, Sci-fi 7.1%
A self-inflicted bullet hell that combines retro sci-fi with the sounds and sights of the disco era
Why similar: Cartoony 18.6%, Action 18.1%, Sci-fi 13.3%, Indie 12.6%, Shooter 11.5%
An alien menace has descended on Earth! Defend the world from UFO invasion in this superb arcade shooter from Qute. Use your weapons effectively, deflect enemy bullets with your shield, and recapture the Moon from alien infestation!
Why similar: Great Soundtrack 51%, Action 35.7%, Arcade 13.3%
An indie story-driven space shooter with intense battles, escalating enemy waves, and massive boss fights. Choose and upgrade ships, unlock powerful weapons, and protect your allies. Upgrade your base and construct a battleship to take on even stronger enemies. All set to a rock & synth soundtrack.
Why similar: Difficult 21.4%, Minimalist 13.2%, Adventure 12.7%, Shooter 12.7%, Action 11.6%
Hurrican-like Bullet Hell. Avoid the rain of bullets to the rhythms of "dubstep". Help the hero to defeat the aliens and to take revenge on the interstellar aggressor!
Why similar: Great Soundtrack 38.9%, Indie 33.4%, Arcade 18.4%, Pixel Graphics 9.4%
Dynamic is an indie Platformer game. The goal is to try to avoid obstacles and dangerous enemies who want to kill you
Why similar: Indie 22.4%, Action 15.7%, Adventure 14.7%, Tower Defense 11.2%, Difficult 8.4%
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 39.7%, Difficult 15.2%, Sci-fi 10.8%, Action 9%, Pixel Graphics 7.6%
1-Bit Roguelite Action Shooter.
Why similar: Sci-fi 19%, Action 17.6%, Shooter 17.3%, Minimalist 17.3%, Arcade 12.2%
A combination of Breakout, Shoot Em Up, and Baseball, Aliens Go Home Run puts you in the shoes of a young baseball player versus a horde of invading aliens. Play ball!
Why similar: Great Soundtrack 21.6%, Action 18%, Indie 13.5%, Arcade 11.2%, Cartoony 10.5%
Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.
Why similar: Great Soundtrack 21.3%, Action 17.2%, Arcade 15.1%, Difficult 13.4%, Indie 13.2%
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: Tower Defense 26.8%, Great Soundtrack 25.2%, Action 13%, Sci-fi 11.7%, Funny 10.7%
Defend humanity's last surviving metropolis from mysterious alien machinations in this challenging base-defense arcade shooter. Featuring rapid upgrade progression, procedurally generated attack waves, dark humor and laser-sharp aesthetics.
Why similar: Tower Defense 28.1%, Arcade 14.7%, Sci-fi 12.1%, Minimalist 11.5%, Action 10.1%
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 49.1%, Action 13.6%, Sci-fi 12.5%, Indie 9.3%, Minimalist 9.2%
Fight fierce hostile alien space ships to neutralize their defenses before you board their ships and battle intense on-foot encounters. Eliminate their forces and steal their technology to upgrade your squad with different abilities and save the galaxy!
Why similar: Great Soundtrack 22.9%, Action 14.7%, Adventure 14.5%, Difficult 14.1%, Indie 11.4%
Fight an endless horde of evil minions and survive as long as you can. Collect loot and purchase new upgrades and magic abilities. Summon allies to stand along side you and survive the horde!
Why similar: Tower Defense 37.2%, Arcade 16.5%, Action 14.3%, Pixel Graphics 12%, Shooter 10.4%
Tempest Tower is an action packed tower defense platformer where you must brawl with incoming hordes of Creepers while herding the local critters to safety. Build, fight, upgrade, overcome.
Why similar: Tower Defense 35.7%, Platformer 17.2%, Cartoony 15.4%, Arcade 11.1%, Action 11%
Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.
Why similar: Arena Shooter 26.7%, Shooter 15%, Cartoony 13.1%, Arcade 12.1%, Action 11.5%
Protect the world of One Gun from evil invaders!
Why similar: Great Soundtrack 30.7%, Action 24.5%, Shooter 13.5%, Funny 11.6%, Indie 8.8%
64.0 is a minimal fast-paced arcade game, where you shoot the squares that have the same color as the background.
Why similar: Great Soundtrack 20.4%, Difficult 19%, Fast-Paced 17.8%, Action 9.3%, Indie 7.9%
In this 2D platformer game, get your gun and shoot all monsters in your way or just run away to the exit.
Why similar: Difficult 18.5%, Minimalist 15.5%, Platformer 13.3%, Shooter 11.9%, Sci-fi 10.5%
Space Raiders in Space is a wave defense roguelike mixing squad management and tower defence mechanics. Command your almost competent crew to loot weapons and supplies, build defenses, and fight their way through the Bugpocalypse.
Why similar: Tower Defense 32.3%, Sci-fi 15%, Action 14.9%, Funny 13.7%, Cartoony 12.7%