Best Alien Defense Apps &amp; Games

4.7😊(14K ratings)

FreeAdsIn-App Purchases

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.

What We Love

👍 Addictive gameplay
🚀 Engaging tower defense mechanics
💡 Unique hero system
👍 Offline playability

Room to Improve

💰 Expensive in-app purchases for heroes
🔒 Limited free progression without spending money
🐛 Bugs and crashes reported
🔋 Excessive advertisements

TowerMadness Zero by ZSpectre, Inc.

Classic Defense Strategy

Strong Contender

4.6😊(946 ratings)

FreeIn-App Purchases

Defend your sheep from alien invaders in this classic 3D tower defense strategy game. Deploy a variety of upgradeable weapons and think fast to survive over 100 maps and endless waves of enemies. Compete with friends on global leaderboards.

What We Love

🚀 Streamlined TD gameplay
👍 Cute character animations
👍 Simple but not too easy
👍 Engaging strategy
👍 Challenging levels
👍 Nostalgic and classic
👍 Addictive and fun

Room to Improve

🐛 Crashes and compatibility issues
🔍 Too many ads, disruptive to gameplay
🔍 Resistance system imbalanced

Radiant Defense by David Peroutka

MILLIONS OF ALIENS WILL DIE

Worth Considering

Alien Defense - Save Area51

4.2😊(144 ratings)

FreeIn-App Purchases

Defend your space fortress against alien invasions in this vibrant defense game. Strategically build your base, deploy a variety of weapons and traps, and customize enemy paths to survive hundreds of waves. Compete for high scores in an online hall of fame.

What We Love

💎 One of My Favorite Games Ever
🏆 GOAT TD
🎨 Vibrant design and friendly to battery life
🕹️ Nostalgic and simple fun with a good amount of challenge
🎮 Classic Tower Defense game
🌟 Wow, can't believe I missed this game
🎨 Beautiful mix between challenging strategy and fun
🕹️ Hard but fun
🎨 Truly the best TD game I've played

Room to Improve

🔓 Pay to complete
🔓 Can't be completed without buying extras
🔓 Pay to win
🔓 Missing In-App Purchases
🔓 Pay to win borderline pay to play
🔓 End Missions Impossible
🔓 Turning Towers
🐛 Pause button issue
🐛 Placement issues on bottom row

More Alien Defense apps to explore

Area Tower Deffense

Lead special forcesDefend Area 51Strategy gameplay

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.

(16)

Defend Earth from alien invasionDestroy space bugsEarn space cash

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.

Perfect Golf - Satisfying Game

(1)

free

New Offline Fun Mini Puzzle

Realistic golf physicsObstacle challengesUnlockable chests and rewards

Experience a satisfying golf puzzle game with realistic physics. Master your swing to overcome obstacles and aim for the perfect shot, earning stars to unlock surprise rewards and collect unique golf balls.

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Aliens Defense

Stop the Alien Invaders.

Alien invasion defenseStrategic placement of defensesWave-based gameplay

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.

Tower Madness 2: #1 in Great Strategy TD Games

(2)

free

by ZSpectre, Inc.

70 exciting maps across 7 campaignsUpdated and new weapon arsenal16 different alien enemies and bosses

Defend your flock from an alien invasion in this strategic tower defense game. Deploy a variety of updated and new weapons across numerous maps and campaigns. Utilize unique character abilities and optional in-app purchases to overcome challenging enemies and bosses.

(10K)

Alien Based Defence Survival

Protector: Alien Hunter

Hit and Run, Win Win Win!

Random and unique skill combinationsExplore diverse worlds and mapsBattle thousands of unique monsters

Embark on a challenging adventure as a lone archer facing endless waves of monsters. Collect unique skills, battle through diverse worlds, and upgrade your gear to survive. Death means starting over, so strategic skill combinations are key to victory.

(471K)

Alien Defense: Space Tower RTS

Sci-Fi Base War Strategy Games

Commander Aliens Are Incoming!

Alien Tower Defense: Survival

(0)

Offline Sci-Fi Strategy

Tennis Clash：Sports Stars Game

(0)

Mobile multiplayer live game

Intense online multiplayer matchesReal-time tennis duelsRacket customization and upgrades

Experience the thrill of online multiplayer tennis with realistic graphics and gameplay. Challenge players worldwide, customize your racket, and compete in leagues and tournaments to become the ultimate champion.

(478K)

Hero Defense - Alien Creeps

Strategic defense deploymentSuperpowered hero abilitiesAdvanced weaponry and tanks

Defend your city from an alien invasion by strategically deploying advanced weaponry and powerful heroes. Command the last line of defense to thwart enemy attacks and prevent occupation.

(3)

Tower Defense - Alien Attack

Strategy War Game TD

Strategic tower placementTower upgrades up to 3 levelsFace diverse alien species

Defend your base from an alien invasion by strategically placing and upgrading towers. Utilize power-ups and adapt your tactics to overcome waves of unique alien creatures across hundreds of challenging levels.

(1)

Space Loop: Defense

Alien Roguelike Defense

Classic tower defense gameplayRoguelike card system for upgradesFuturistic weapon deployment

Defend Earth from alien invaders in this tower defense game with a roguelike card system. Build and upgrade futuristic weapons, adapt your strategy with unique card choices, and face waves of diverse enemies and bosses. Every playthrough offers a new, unpredictable challenge.

Sci-Fi Space Defense : Alien war game

(2)

free

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)

Galaxy Defense: Fortress TD

Defend Planet, Beat Aliens!

Build diverse turrets with unique skillsStrategize turret assembly based on enemy attributesPower up character with chips and weapons

Defend Earth from alien invaders in this idle tower defense game. Build diverse turrets, strategize your defense, and power up your character with unique skills and weapons. Collect resources and take on global challenges to protect the planet.

(9.1K)