Best Quantum X Planet Defense Apps &amp; Games

3.0(10 ratings)

Free

Engage in real-time strategy by colonizing planets and building creatures. Your objective is to eliminate all enemy forces and conquer their territories. This game offers a unique approach to the tower defense genre.

Star Hold Tower Defense by ZEUS AI Limited

Strong Contender

3.5(8 ratings)

FreeAdsIn-App Purchases

Engage in a sci-fi tower defense roguelike where strategic turret placement and merging are key to surviving endless swarms. Optimize your limited backpack grid for unique runs and permanent upgrades.

Defend:Idle Tower Defense Game by 猛杨

Endless Tiny Castle Survival

Worth Considering

Royal Revolt 2: Tower Defense

4.8(12 ratings)

FreeAdsIn-App Purchases

Defend:Idle Tower Defense Game screenshot 1

Defend:Idle Tower Defense Game screenshot 2

Defend:Idle Tower Defense Game screenshot 3

Build and upgrade your fortress to defend against waves of monsters and boss attacks. Collect idle rewards and improve your defenses for longer runs. Designed for quick, one-handed play sessions.

More Quantum X Planet Defense apps to explore

MMO RPG & Castle Defense Game

Build and customize your kingdomDesign defensive pathsRaid other players' bases

Build a formidable kingdom, design deadly defenses, and lead your army into strategic battles. Raid other players' bases, upgrade your king's gear, and forge alliances to dominate in this action-packed MMO strategy game.

(9.8K)

Defense Battle – Tower Defense

Tower Defense – Shape Monster

Build and upgrade diverse towersStrategic tower placementManage gold and economy

Build powerful towers, manage resources, and defend your core from waves of Shape Monsters. Strategically place and upgrade defenses to survive increasingly challenging attacks and expand your territory. Compete on global leaderboards to prove your tower defense mastery.

(2)

Tower Defense: Kindom Defense

Strategic tower placementTower upgradesResource management

Defend your planet from an alien robot invasion by strategically placing and upgrading defensive towers. Manage resources and adapt your strategy to overcome increasingly challenging enemy waves. Enjoy thrilling action and strategic gameplay in this engaging tower defense experience.

(62)

Ancient Planet Tower Defense

They're coming right for you!

Classic Tower Defense gameplayBuild towers anywhere on the field40 unique levels

Defend an ancient stronghold from alien invaders using powerful technologies. Build and upgrade towers in a classic tower defense experience with unique levels and diverse enemies. Enjoy an offline, ad-free strategy game with a compelling storyline.

(1.3K)

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)

Hex Defense!

Tower Defense Merge!

Defeat enemy wavesMerge weaponsDemolish enemy stacks

Strategically place and merge weapons to defend a vibrant cube world. Demolish waves of incoming enemies by upgrading your arsenal with powerful skills. Protect the world from the encroaching evil hexes.

(4.6K)

Colony Defense - Tower Defense

Top Best 2D Minimalist TD Game

Minimalist designVoice actingGame Center integration

Engage in strategic defense in a minimalist sci-fi world. Deploy various towers with unique abilities to protect your colony from relentless enemy waves. Enjoy an immersive experience with voice acting and high replayability.

(15)

Merge Kingdoms - Tower Defense

Merge your defenses!

Merge towers to level up defensesThousands of enemy waves35+ unique enemy types

Engage in a unique tower defense experience with idle progression. Combine towers to enhance their power and strategically place them to overcome thousands of enemy waves. Unlock new abilities and power-ups to conquer increasingly challenging stages and bosses.

(2.2K)

Sci-Fi Monster Strategy War

Legend TD: Tower Defense

Intense Tower Defense GameplayDeep Strategy & UpgradesEpic Sci-Fi Campaigns

Defend the galaxy from alien invaders in this sci-fi tower defense game. Strategically deploy futuristic towers, upgrade your arsenal, and adapt to waves of unique monsters. Your tactical decisions will determine humanity's fate.

(278)

Eternal Fortress: Defense

Epic tower defense war!

Upgrade turretsSummon heroes with skillsUtilize tactics for strategic warfare

Defend Earth from alien invasion in this sci-fi tower defense game. Command powerful mechs, upgrade turrets, and utilize hero skills and tactics to repel the Machina Legion and reclaim your homeland.

(50)

Galactic Outlaw: Tower Defense

Roguelike Alien Shootout

Roguelike tower defense gameplayUnlock and upgrade diverse skillsRandomized upgrade cards for unique builds

Defend the frontier against alien invaders in this roguelike tower defense game. Strategically upgrade skills, create powerful combos, and face off against colossal bosses. Enjoy one-handed portrait gameplay and offline rewards.

(20)

Block Invaders: Tower Defense

Retro Arcade Tower Defense

Command orbital defense platformBuild and upgrade weaponsShoot down incoming alien waves

Command a planetary defense platform to shoot down waves of alien invaders. Strategically build and upgrade weapons, each with unique abilities, to counter diverse enemy behaviors and complete missions.

(0)

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.

Build defense tower mazes.

Build towers anywhereUpgrade and delete towersUtilize shaman powers

Build strategic tower mazes to defend against waves of enemies in this unique tower defense game. Explore an old-school setting with trippy music, upgrade towers, and utilize shaman powers. Choose from three difficulty modes to enjoy the story or test your strategic limits.

(149)

Defenders 3: Tower Defense CCG

Card-Based Tower Defense

Collectible card-based strategyTactical tower defense gameplayOver 50 unique towers

A collectible strategy game blending tower defense with card-based tactics. Deploy over 50 towers, heroes, and spells across diverse biomes and challenging modes. Outsmart opponents with strategic card play and unique boss mechanics.

(7)

One Tower: Idle Tower Defense

Endless Waves, Alien Survival

Single tower defense against endless wavesAutomatic combat with strategic upgradesPermanent workshop and lab upgrades

This idle tower defense game challenges you to defend a single tower against endless waves of aliens. Upgrade your tower, strategically deploy support, and use special weapons to survive longer and gain permanent power for future runs.

(4)

Defenders of Afar

Ad Free Tower Defense

Tower defense gameplayBuy and sell towersUpgrade tower range and damage

Defend your castle from invading orcs in this tower defense game. Buy, sell, and upgrade towers to increase their range and damage. Explore different maps and strategize your defenses to protect your stronghold.