Best Space Base Idle Tower Defense Apps &amp; Games

4.7(305 ratings)

FreeAdsIn-App Purchases

Space Base Idle Tower Defense screenshot 1

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Build a powerful space base and defend against endless enemy waves in this idle tower defense game. Upgrade turrets, unlock technologies, and earn AFK rewards offline. Strategize your defenses for infinite survival.

Utopia: The Idle Tower Defense by LEGENDARY LABS COMPANY LIMITED

Alien Wave Base Survival Build

Strong Contender

5.0(2 ratings)

FreeAdsIn-App Purchases

Utopia: The Idle Tower Defense screenshot 1

Utopia: The Idle Tower Defense screenshot 2

Utopia: The Idle Tower Defense screenshot 3

Utopia: The Idle Tower Defense screenshot 4

Utopia: The Idle Tower Defense screenshot 5

Utopia: The Idle Tower Defense screenshot 6

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.

SpaceXYZ: Idle Tower Defense by SuperMagic

Strategic Defense Game!

Worth Considering

Space Tower - Galaxy Tower TD

4.8😊(1.8K ratings)

FreeAdsIn-App Purchases

SpaceXYZ: Idle Tower Defense screenshot 1

SpaceXYZ: Idle Tower Defense screenshot 2

SpaceXYZ: Idle Tower Defense screenshot 3

SpaceXYZ: Idle Tower Defense screenshot 4

SpaceXYZ: Idle Tower Defense screenshot 5

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.

What We Love

👍 Fun gameplay
🚀 Good progression
💡 Innovative features
👍 No forced ads

Room to Improve

🐛 Progress loss issues
🐛 Crashing problems
💰 Expensive to remove ads

More Space Base Idle Tower Defense apps to explore

Idle tower defense game

Idle tower defense gameplayStrategic tower defenseUpgrade basic abilities

Command a galactic defense to protect your space tower from alien invaders. Strategically upgrade your tower's abilities and weapons to withstand relentless waves of enemies and defeat powerful bosses. Enjoy idle gameplay with ample rewards, even while offline.

(568)

Space War: Idle Tower Defense

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)

Space War : Idle Tower Defence

Combine and Add to triumph.

Element and rune combinationStrategic tower upgradesVisually appealing gameplay

Engage in a strategic tower defense game set in space. Combine elements and add runes to protect your tower, and upgrade your defenses to advance through deep space. Compete with other players for territory and aim for a high strategic score.

(0)

Orbit Siege - Tower Defense

Defender: Idle Tower Defense

Tiny base Castle Survival Rush

Build a compact defenseUpgrade tower power and resourcesFace monster waves and boss attacks

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.

Tower Defence Idle Arcade

(7)

ad-supported

Strategy: Simulation Game

Idle Fortress Tower Defense

Build your own Fortress.

Build and upgrade a strong baseResist monster attacksEarn gold to upgrade stats

Build a powerful fortress and upgrade its defenses to withstand waves of monsters. Reset your stats after each round to earn more gold and enhance your base for further progress. Discover new worlds and utilize powerful cards to become a great general.

(1.6K)

Slingshot - Idle Tower Defense

Idle Defense: Dark Forest

TD Strategy Game

10+ tower typesTower upgrades and evolutionElemental skills

A young wizard, banished for a mistake, must defend his home from monsters unleashed by a shattered seal. Utilize a variety of towers, elemental skills, and ancient demons to protect the world from chaos.

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Mothership Idle Tower Defense

Roguelike TD Space Battles!

20+ unique ship upgrades40+ randomized power-upsCollectible power gems

Engage in a roguelike tower defense experience set in space. Collect unique upgrades and power-ups to customize your ships and advance through challenging enemy waves. Enjoy a minimalistic design with intuitive controls for a relaxing yet strategic gameplay session.

(4)

Star Hold Tower Defense

by ZEUS AI Limited

Build and optimize turret formationsMerge turrets for stronger weaponsRoguelike runs with random upgrades

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.

(4)

Stellar Bastion: Tower Defense

Master 20+ combo attacks

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)

Spaceship games: alien shooter

Attack & crush in 2D space war