Best Quantum X Planet Defense Apps & Games

177+ iOS apps & games curated and reviewed

4.4 avg rating
16 free apps & games
Updated May 2026

With an average user rating of 4.4★, the quantum x planet defense category is one of the App Store's strongest. Browse all 177+ apps and games we track, sorted so the most loved ones surface first.

Top Picks for Quantum X Planet Defense

Quantum X Planet Defense#1

Quantum X Planet Defense by Vuong Tai

A type of tower defense game
Editor's Choice
🎮 Games
3.0(10 ratings)
Free
Quantum X Planet Defense screenshot 1
Quantum X Planet Defense screenshot 2
Quantum X Planet Defense screenshot 3

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.

Galaxy Defense: Fortress TD#2

Galaxy Defense: Fortress TD by CYBERJOY LIMITED

Defend Planet, Beat Aliens!
Strong Contender
🎮 Games
4.8😞(8.9K ratings)
FreeAdsIn-App Purchases
#54in Games
Galaxy Defense: Fortress TD screenshot 1
Galaxy Defense: Fortress TD screenshot 2
Galaxy Defense: Fortress TD screenshot 3
Galaxy Defense: Fortress TD screenshot 4
Galaxy Defense: Fortress TD screenshot 5
Galaxy Defense: Fortress TD screenshot 6

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.

What We Love

  • 🎮 Addictive gameplay
  • 🎨 Vibrant visuals
  • 🕹️ Engaging tower defense mechanics

Room to Improve

  • 💰 Monetization issues
  • 🤯 Difficulty spikes
  • 🕰️ Slow progression without spending
Hex Defense!#3

Hex Defense! by Voodoo

Tower Defense Merge!
Worth Considering
🎮 Games
4.5😞(3.8K ratings)
FreeAdsIn-App Purchases
Hex Defense! screenshot 1
Hex Defense! screenshot 2
Hex Defense! screenshot 3
Hex Defense! screenshot 4

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.

What We Love

  • 👍 Simple and wholesome gameplay
  • 🚀 Smooth performance

Room to Improve

  • 🐛 Bugs and glitches (e.g. stage progression issues, tower upgrades not working)
  • 💰 Monetization concerns (e.g. ads, paid features removed)
  • 🔍 Incomplete/unfinished content (e.g. missing levels, towers, features)

More Quantum X Planet Defense apps to explore

4
Solar Smash
Solar Smash
Solar Smash
by PARADYME LIMITED
Free
$3.99 | 100% OFF

Unleash your destructive power on planets with a vast arsenal of weapons. From nuclear missiles and lasers to monstrous creatures and asteroids, obliterate celestial bodies in this engaging simulator.

Planet destruction simulatorVariety of weaponsNuclear missiles
🎮 Games
(383K)
free with in-app purchases
5
TowerMadness
TowerMadness
TowerMadness
Classic Defense Strategy
$2.99

Defend your sheep from alien invaders by strategically placing and upgrading a variety of weapons. Engage in a unique 3D tower defense experience with over 100 maps and 17 alien types. Compete globally and replay your best games.

Unique 3D tower defenseOver 100 maps17 alien enemy types
🎮 Games
(828)
free with in-app purchases
6
SpaceXYZ: Idle Tower Defense
SpaceXYZ: Idle Tower Defense
SpaceXYZ: Idle Tower Defense
Strategic Defense Game!
Free

Engage in real-time strategy to defend your base against relentless enemy waves. Build, upgrade, and deploy a variety of units with precise timing to survive epic battles in space. Master strategic decisions to overcome increasingly difficult challenges.

Real-time strategy defenseBuild and upgrade baseDeploy diverse units
🎮 Games
(1.7K)
free with in-app purchases
7
TowerMadness Zero
TowerMadness Zero
TowerMadness Zero
Classic Defense Strategy
Free

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.

3D tower defense gameplayOver 100 maps17 alien enemy types
🎮 Games
(945)
free with in-app purchases
8
Tower Defense: Infinite War
Tower Defense: Infinite War
Tower Defense: Infinite War
by Com2uS Corp.
Free

Engage in a classic tower defense experience with strategic gameplay and action-packed battles. Explore diverse campaigns, challenging maps, and unique towers to defeat various enemies across multiple world themes. Enjoy a highly-rated defense game with regular updates.

40 campaigns and 7 challenge mapsVarious gameplay modesMindbending towers and special weapons
🎮 Games
(2.2K)
free with in-app purchases
9
Defender II
Defender II
Defender II
by DROIDHEN LIMITED
Free

Defend your castle from relentless waves of monsters using a variety of magical spells and defensive structures. Upgrade your city wall, manage mana, and equip powerful bows to repel invaders and defeat bosses. Compete globally in battle mode.

Shoot arrowsCast spellsLava moat defense
🎮 Games
(1.1K)
free with in-app purchases
10
Tiny Defense 2
Tiny Defense 2
Tiny Defense 2
Defend Little Robot World!
$2.99

Defend a charming robot world from an invading machine army. Command a variety of robot units, utilize new abilities, and battle through diverse environments. Engage in fast-paced defense and arcade-style mini-games for hours of strategic fun.

Epic defense battlesCartoon-style graphicsOver 40 Minirobots
🎮 Games
(1.2K)
free with in-app purchases
11
Rogue Defense: Hybrid Tower TD
Rogue Defense: Hybrid Tower TD
Rogue Defense: Hybrid Tower TD
Hybrid Tower, Ultimate Defense
Free

Lead humanity's last stand against a rogue AI uprising in this hybrid tower defense game. Customize your defender with advanced cyber tech, deploy futuristic weapons, and harness enemy energy to unlock powerful upgrades and skills. Experience endless replayability with procedurally generated challenges and tactical depth.

Hybrid Roguelike + Tower DefenseCustomizable Guardian with adaptive chipsDeploy futuristic and evolving weapons
🎮 Games
(2K)
free with in-app purchases
12
Sky Defense: War Duty
Sky Defense: War Duty
Sky Defense: War Duty
Epic aircraft attacking game
Free

Defend your airspace in an intense arcade shooter against an alien invasion. Engage in fast-paced, vertical ground-to-air combat with realistic visuals and a thrilling story. Perfect for quick bursts of action.

Fast-paced arcade shootingUnique vertical gameplayThrilling story mode
🎮 Games
(11K)
free with in-app purchases
13
Utopia: The Idle Tower Defense
Utopia: The Idle Tower Defense
Utopia: The Idle Tower Defense
idle tower defense
Free

Defeat waves of aliens to gain resources and power up your neon towers. This offline sci-fi tower defense game features incremental upgrades and automatic combat, even when you're not playing. Master alien invasion strategies to push deeper into the galaxy.

Offline idle tower defenseBuild and upgrade neon towersResearch skill trees
🎮 Games
(14)
free with in-app purchases
14
Fieldrunners 2
Fieldrunners 2
Fieldrunners 2
by Subatomic Studios, LLC
$2.99

Defend the world from an alien invasion by strategically placing devastating weapons and traps. Explore diverse environments across numerous levels, utilizing a vast arsenal and unique gameplay modes to thwart the enemy.

Strategic weapon placement20 unique, upgradable weaponsOver 20 diverse levels
🎮 Games
(1.3K)
free with in-app purchases
15
Galaxy Defender: Tower Defense
Galaxy Defender: Tower Defense
Galaxy Defender: Tower Defense
Battle Against Evil Robots
Free

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.

Strategic weapon deploymentSix unique upgradable gunsDiverse and challenging landscapes
🎮 Games
(88)
free with in-app purchases
16
Tiny Defense
Tiny Defense
Tiny Defense
by Picsoft Studio
$2.99

Defend a vibrant planet from an invading robot army in this engaging tower defense game. Strategically deploy a variety of cute robot units across a 2D grid to overcome diverse enemies and rescue captured friends. Explore numerous levels, mini-games, and unlockable content for hours of tactical fun.

Unique side-view, grid-based defense150 levels across 3 episodes40 robot types and 32 enemy types
🎮 Games
(430)
free with in-app purchases
17
Planet Defense: Space TD game
Planet Defense: Space TD game
Planet Defense: Space TD game
Galactic TD Strategy
Free

Defend your home planet in this roguelike tower defense game. Build and upgrade defenses to fend off alien invaders. Experience deep strategy with unique playthroughs and unlockable sentinels.

Roguelike progression with randomized upgradesStrategic depth with unlockable sentinelsStunning visuals and atmospheric sound
🎮 Games
(2.2K)
free with in-app purchases
18
Ancient Planet Tower Defense
Ancient Planet Tower Defense
Ancient Planet Tower Defense
They're coming right for you!
Free

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.

Classic Tower Defense gameplayBuild towers anywhere on the field40 unique levels
🎮 Games
(1.1K)
free with in-app purchases
19
Planet Bomber!
Planet Bomber!
Planet Bomber!
by Voodoo
Free

Embark on an interstellar adventure to explore the vastness of the galaxy. Your mission is to destroy planets, upgrade your arsenal, and conquer challenging bosses. Prepare for an epic cosmic journey.

Explore the galaxyDestroy planetsUpgrade abilities
🎮 Games
(44K)
free with in-app purchases
20
Air Defense-TDS
Air Defense-TDS
Air Defense-TDS
by SUPERSONIC STUDIOS LTD
Free

Command anti-air defenses in an intense tower defense shooter. Battle waves of hostile aircraft using intuitive swipe controls, unlock powerful skills, and face challenging aerial bosses. Progress through diverse missions and dynamic battlefields, even offline.

Intuitive swipe controlsEpic boss battlesSkill upgrades
🎮 Games
(468)
free with in-app purchases