Best Outer Space Defense Apps &amp; Games

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Spaceship Defense TD by Funnel Entertainment

Commander Aliens Are Incoming!

Strong Contender

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Orbit Defense! by Funnel Entertainment

Conquer the galaxy!

Worth Considering

Planet Defense - Protect Your Solar System

1.0(1 ratings)

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Engage in intense space combat, automatically shooting or manually aiming at enemies and asteroids. Unlock new abilities and permanent upgrades to enhance your ship's stats and progress through levels. Compete globally to climb the leaderboard and prove your dominance.

More Outer Space Defense apps to explore

by Rory Buckley

Strategic orbital speed controlAsteroid dodging gameplayPower-up collection

Protect your planets from asteroids by strategically controlling their orbital speed. Collect fragments to earn power-ups like shields and directional changes. Compete with other players on the global leaderboard for the highest score.

Cosmic Horizons: Space Defense

(3)

free

Explore, Build, Fight

Arcade dynamic universe battlesOver 80 interstellar aircraft to upgradeBuild and conquer your military force

Engage in intense galactic arcade battles to defend your starbase from alien invaders. Upgrade your fleet, build a powerful military force, and conquer the universe. Explore, build, and fight your way to becoming a legendary space hero.

(93)

Space War TD

by POLYCUBE Inc.

Free play modeDeploy cannons and special weaponsUpgrade and reinforce bunker

Defend Earth from alien invaders by strategically deploying and upgrading cannons and special weapons. This addictive game challenges your judgment and quick thinking to protect your bunker from increasingly powerful enemies.

(12)

Idle Planet Defender: Space TD

Idle Space Tower Defense

Space M Defense: Space Shooter

(0)

Big Update! Get a Welcome Kit

Strategic defense structure deployment and upgradesWield powerful weapons and special attacksBattle waves of alien adversaries

Defend humanity's last hope by safeguarding vital research labs from relentless alien attacks. Strategically deploy and upgrade defenses, wield powerful weapons, and unleash special attacks to survive waves of cosmic adversaries. Explore mesmerizing planets and unlock new technologies to become a legendary defender.

(19)

Space Station X

Deep Space Defense Zone

Tap to defendIncoming object defenseUse pickups

Defend your space station by tapping on incoming objects. Utilize various pickups to aid in your defense and keep the station intact. This game offers simple, engaging gameplay for quick sessions.

Defense game for Watch & Phone

(0)

free

Earth Defense for Watch

Engage in a fast-paced arcade shooter defending against alien invaders and asteroids. Utilize shields as a weapon, dodge projectiles, and collect power-ups to survive.

Shoot down alien shipsUse shields as a weaponCrash into enemies

(37)

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Space: Defender Xtreme

Defend the Earth

Unique spacecraft with advantages/disadvantagesVaried alien enemy typesMultiple weapon types

Defend Earth in this retro arcade space shooter against relentless alien invaders. Pilot unique spacecraft, utilize various weapons, and collect power-ups to survive increasingly difficult waves and boss battles. Compete on global leaderboards for the highest score.

(3)

free

Space Outpost: Drone War

Epic Idle Tower Defense

Warship customizationTower defense combatGalactic campaign

Defend your space outpost from relentless enemy waves in this idle tower defense game. Upgrade your warship, deploy powerful towers, and unlock advanced weapons to survive galactic battles. Conquer star systems and climb leaderboards in an immersive sci-fi experience.

(30)

Build your fleet. Save Sol.

Space War: Idle Tower Defense

(0)

Epic Adventure Idle RPG Arena

Combine skill cards and botsChoose from 6+ unique shipsFace 100+ monsters simultaneously

Defend against waves of angry aliens in this adventure space game. Choose your ship, combine skill cards and bots, and strategically upgrade weapons to survive increasingly dangerous levels. Enjoy fast-paced, automatic gameplay perfect for on-the-go play.

(16)

Aegis: Orbit Defense

by SuperMagic

Orbital tower defense gameplayWeapon placement and mergingDefend satellites across multiple chapters

Engage in strategic orbital tower defense with minimalist visuals and dynamic music. Place, merge, and upgrade weapons to defend satellites across various planets and moons from relentless enemy waves. Collect diverse weapons and trait cards to build your ultimate defense strategy.

(69)

Defend Earth!

Power-up Arcade Fun

Orbital mega-shield defenseTap controls for rotation and thrustAsteroid deflection gameplay

Protect Earth from incoming asteroids by maneuvering an orbital mega-shield. Tap to control the shield's rotation and thrust, deflecting threats before they strike the planet. Rise through the ranks as you defend humanity.

Defend humanity from an alien invasion in this strategic space combat game. Build defensive towers, upgrade weapons, and devise unique strategies to protect your spaceship as you travel across different planets.

Strategic tower buildingSpace combat missionsWeapon and resource upgrades