Best Alien Defense Force Apps &amp; Games

5.0(1 ratings)

Free

Defend Earth from an alien invasion as a space mercenary. Earn in-game currency by destroying enemies to purchase new weapons and combat the relentless space bug armada.

Alien Defense - Save Area51 by GOODROID,Inc.

Area Tower Deffense

Strong Contender

3.3(16 ratings)

FreeAdsIn-App Purchases

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Lead special forces against alien invaders in this strategy game. Command your troops to defend Area 51 and achieve victory against extraterrestrial hordes. Your strategic decisions are crucial for survival.

Aliens Defense by Mobazy LLC

Stop the Alien Invaders.

Worth Considering

Alien Defense: Space Tower RTS

5.0(2 ratings)

Free

Defend against waves of alien invaders in this engaging defense game. Strategically place your defenses to repel the extraterrestrial threat and protect your territory. Experience a straightforward yet challenging gameplay loop designed to test your tactical skills.

More Alien Defense Force apps to explore

Sci-Fi Base War Strategy Games

Walking! Earth Defense Force

(0)

By Walk, Get Villains & Health

Earn in-game currency with stepsAcquire aliens and villainsDevelop equipment

Walk to earn in-game currency and acquire villains to defend Earth. Develop equipment and expand your organization to restore peace. A casual patrol game with a compelling story.

💪 Health & Fitness

(7)

ad-supported

Protector: Alien Hunter

Alien Based Defence Survival

Asteroid Attacks Defense Earth

(0)

Commander Aliens Are Incoming!

Tower Defense Strategy Games

50 explosive levels3D Touch Technology for combat speed controlFree-to-play tower defense action

Engage in fast-paced tower defense battles against alien invaders. Deploy a variety of towers, heroes, and infantry to defend Earth. Upgrade your defenses and strategize to overcome hordes of enemies across numerous levels and challenges.

(14K)

Galaxy Defender: Tower Defense

Offline legend defense zone TD

Strategic weapon deploymentSix unique upgradable gunsDiverse and challenging landscapes

Defend your homeland from waves of evil robots by strategically deploying and upgrading a variety of powerful weapons. Explore diverse landscapes and adapt your tactics to overcome increasingly challenging robotic invaders in this exhilarating tower defense game.

(94)

Galaxy Attack: Alien Shooter

Classic Space War Invasion

Multiplayer modeHigh quality graphicsActive skills

Pilot a lone spaceship to defend Earth from alien invaders in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across 140 levels. Engage in epic boss battles and enjoy immersive missions.

(657K)

AlienSpaceForce

Save the valuable planet

Defend planet from alien spaceshipsDestroy extraterrestrial ships with laserTest reaction speed

Defend your planet from an incoming alien invasion by targeting and destroying enemy spaceships with a laser. This fast-paced game tests your reaction speed and concentration as you protect your world for as long as possible.

(1)

Sci-Fi Space Defense : Alien war game

by Amr Samir

30 challenging levelsTower building and upgradesPower-up usage

Engage in a futuristic tower defense experience with over 30 levels of intense alien warfare. Build and upgrade defensive towers, utilize power-ups, and strategize to protect your base from relentless waves of enemy spaceships. Compete with others through leaderboards and achievements.

(21)

Survive Endless Enemy Waves

Alien Escape

Tap to aim and shootBuild powerful combosPowerful weapons arsenal

Defend your alien babies from waves of Earth invaders as a brave alien father. Tap to aim and shoot, building powerful combos to survive intense arcade battles and fight your way back home. Explore multiple environments and use a variety of powerful weapons against diverse enemy types.

Alien Survivor: Base Defence

(0)

free

by Roasup, Inc.

Alien battles with unique enemy typesBase construction and expansionResource gathering and management

Defend your base against alien invaders on a hostile planet. Gather resources, build structures, and strategize to survive waves of unique alien enemies. Every decision impacts your survival in this action-packed strategy game.

(1)

Star Farm: Merge Tower Defense

Epic Alien FPS Shooting Games

Strategic turret merging and upgradingFirst-person shooting perspectiveDefend against infinite alien swarms

Defend your interstellar farm from alien invasions by strategically merging turrets and engaging in first-person shooting. Protect your livestock from swarms of insectoids, mechanical spiders, and massive alien spaceships.

(232)

Tower Defense: Alien War TD

by Do Anh Tu

Various weapons with upgrade systemAbundant strategic defense systemLandmine Anti-Alien

Defend Earth from alien invaders in this tactical tower defense game. Utilize a variety of unique weapons and upgrade systems to devise flexible strategies and overcome challenging enemy attacks. Enjoy beautiful graphics and engaging gameplay.

Feel the power of the Aliens!

Tap to attack spaceshipsUpgrade alien heroesBoost damage and gold

Engage in a hyper-casual space war by tapping to destroy hostile spaceships. Upgrade your alien heroes to increase damage and unlock new abilities. Enjoy a stress-relieving, offline gaming experience.