153+ iOS apps & games curated and reviewed
With an average user rating of 4.1★, the astro defenders category is one of the App Store's strongest. Browse all 153+ apps and games we track, sorted so the most loved ones surface first.
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!
Defen-G Astro POP is a strategy action defense game where players must strategically place units to protect the Tower of Life from invading monsters. With fantastic graphics and cute characters, it offers a unique and exciting gameplay experience. Blast stress away and join the battle now!
Get ready for intense multiplayer action with this ultimate portable party game! Blast enemy ships and run over pilots in competitive deathmatches with up to four players on iPhone or iPad. Featuring two-button controls, three game modes, dynamic arenas, and ships that can only turn right. Are you ready to make YOUR SHIP A SPLODE?
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.
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!
In this space-themed strategy game, you hold the fate of humanity in your hands. Command a fleet, explore galaxies, and engage in epic battles. Ready to embark on this cosmic adventure?
In this real-time 1v1 strategy game, you and a rival commander compete to outmaneuver each other by crafting and firing unique ammunition and summoning alien monsters to drain your opponent's energy. With 50+ combinations to discover and unpredictable cosmic hazards, who will emerge victorious in quick 5-minute matches? Try it now and find out!
Protect Earth from alien invaders in this high-definition arcade shooter game with 150 levels, ship upgrades, powerful bosses, and unique power-ups. Can you save the planet from destruction? Suit up, Space Cadet, and defend humanity!
Join the battle against red circular objects in space by downloading this application! Use your blue cannon to shoot them down and protect the galaxy.
Experience classic arcade gameplay with stunning pixel graphics in an intense space shooter game. Battle against evil alien forces, upgrade your spacecraft, and engage in fierce PvP challenges. Join the war in the galaxy now! Download the game and get ready to save humanity!
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!
A sci-fi PvP strategy game where you build a base, gather resources, and battle other players to dominate the galaxy in intense 3D combats. Defend your base with various weapons, create a powerful army, and compete globally to become the top player. Join the ultimate space combat strategy game for free and conquer the universe!
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.
Embark on an epic space conquest in a next-gen online strategy game. Battle players worldwide, build fleets, form alliances, and lead your empire to victory! Join Nova Empire now and dominate the galaxy!
Blast through waves of retro video game invaders in this space shooter with various ship options, power-ups, and missions to complete. Challenge yourself with leaderboard support, achievements, and simple controls – no cartridges or tuning required. Start playing now and dominate the cosmos!