183+ iOS apps & games curated and reviewed
Looking for free galaxy defense fortress apps and games? 19 of our 183+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
In this thrilling tower defense game, you are the commander of a fortress tasked with defending Earth from alien invaders. Strategically build and upgrade a variety of turrets, equip your character with powerful weapons, and team up with global players to resist the alien attacks and protect our planet.
Protect Earth from alien swarms in a challenging space shooting game. Upgrade your spacecraft, face enemies in various environments, and engage in multiplayer mode. Download now for classic space combat!
In this real-time strategy defense game, build and defend your base against relentless waves of enemies by deploying units, gathering resources, and upgrading your forces. With simple controls and in-depth strategy, test your skills and see how long you can survive in an epic battle for survival.
Build your own fortress and defend it against Goblocks in this unique blend of tower defense and first-person shooter gameplay. Customize your base with over 30 building blocks, various weapons, and equipment while navigating through different game modes and terrains. Upgrade to the full version for even more features and updates!
Build and defend your medieval kingdom by activating ancient gear-driven machines to summon troops, fire devastating weapons, and construct a powerful defense against endless waves of enemies. Download now and unleash your strategic skills to hold back the invaders and become a legendary ruler.
Experience the thrill of commanding a space tower in this galaxy-themed tower defense game. Upgrade abilities, unlock powerful weapons, and strategize against alien attacks to defend your tower. Are you ready to face mighty bosses, earn rewards, and conquer each galaxy chapter? Start your space adventure now, commander!
Defend your home planet from relentless alien invaders in a thrilling roguelike tower defense game, where strategic decisions and upgrades are key to survival. With unique gameplay, stunning visuals, and endless replayability, can you outsmart the alien onslaught and become the ultimate galactic defender?
In this thrilling tower defense game, you deploy and upgrade powerful weapons to protect your homeland from relentless waves of evil robots. Strategically adapt to diverse landscapes and enemy types, combining six unique guns and upgrades to form the ultimate defense strategy and save your land.
"Build a powerful fortress to defend against monsters, upgrade stats, discover new worlds, and simulate tower defense in this strategy game. Join the battle now and strengthen your Base each week for endless fun and challenges!"
Experience an immersive survival game amidst an alien invasion. Secure your sanctuary, construct a defense system, create tools within your room, battle demon monsters, and enhance your weapons for survival. Take on the challenge now!
Experience a sci-fi block-building RTS where you control armies of alien civilizations in intense battles across different planets. Customize your troops, heroes, and defenses in single-player campaigns or challenge friends in multiplayer clashes. Join the fray now and dominate the Blockverse!
Engage in epic sci-fi battles, conquer the galaxy, and lead your alliance to victory in a free-to-play online strategy game. Build military bases, command fleets, and battle players worldwide to expand your territory and dominate the universe. Join now and experience the thrill of Galaxy At War Online!
In a vibrant universe overrun by alien hordes, Radiant Defense lets you build your space fortress, customize weapons and traps, and defend against waves of enemies. With over 300 waves in 14 missions, 9 upgradable weapons, and online rankings, strategically protect your territory in this intense defense game. Join the battle now!
Defend Earth from an Alien invasion by building a fortress space station, setting up a variety of weapons and traps, and strategically planning your route to defeat the enemy. Engage in a challenging tower defense game with great graphics and sound effects, and test your skills against 150+ waves of aliens and 5 powerful BOSSes.
Experience a thrilling tower defense strategy game with TowerMadness Zero. Use a variety of weapons to protect your flock from evil aliens across over 100 maps, competing globally with friends and millions of players. Upgrade to the ad-free version for uninterrupted gameplay!
Experience intense strategic battles in space with Galaxy Reavers 2. Command and customize your spaceships, unlock commanders, and conquer galaxies in this sci-fi RTS mobile game. Join the battle now!
Protect the galaxy from alien invaders in this thrilling spaceship shooting game. Choose from 10 different spacecraft, upgrade your weapons, and challenge powerful bosses. Take control now and save the galaxy!
Engage in classic Tower Defense gameplay with 40 unique levels and diverse enemies in this offline, ad-free strategy game. Upgrade towers and create unique strategies to defend against alien raiders without the need for an internet connection. Don't forget to leave a review and enjoy the game without interruptions!
Command fleets, engage in battleship warfare, and conquer the galaxy in an epic sci-fi strategy game. Customize your space starship fleet, battle alien forces, and team up with allies to dominate the universe! Join the adventure, download now!
Protect the galaxy from alien invaders in a thrilling space shooting game. Command your ship, battle evil enemies, and compete in online PvP matches to dominate the leaderboards. Join the fight now!