180+ iOS apps & games curated and reviewed
If you already know Planet Defense, this is the deeper bench. 180+ strategy game like Defending Earth apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
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?
Engage in an intense sci-fi multiplayer strategy game where you build a military facility to defend Earth from alien invaders. Train armies, command heroes, join alliances, and participate in global faction wars to protect the planet. Mobilize now for Operation: New Earth and save humanity!
Join a global battle for universe domination in this MMO strategy game. Build space arks, gather a powerful fleet, and engage in real-time warfare with players worldwide. Download now and get $10 in new player boosters – conquer the cosmos!
TerraGenesis - Space Settlers allows you to terraform and build planets using real NASA science. Join factions, create habitats, manage resources, and explore new worlds in this immersive idle planet building simulator. If you love astronomy or resource management games, download and start terraforming today!
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!
Experience the ultimate Mars terraforming strategy game where you lead a corporation to transform the planet. Build cities, forests, and oceans while competing to earn Victory Points and terraform Mars before your rivals. Join the terraforming race now!
Project Entropy is a comprehensive strategy planning tool that helps users analyze data and make informed decisions. Plan, strategize, and optimize your projects efficiently.
Alien vs Zombies: Invasion is an exciting tower defense mobile game where players control a flying saucer, devouring objects to collect resources and construct powerful cannons to defend their base against the relentless zombie invasion. Experience an immersive blend of action, strategy, and tower defense gameplay. Download now and save humanity from the impending doom!
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!
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!
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?
Engage in epic real-time galactic warfare in this online strategy game. Build bases, command armies, and fight for victory in intense PvP battles. Join the battle now and dominate the galaxy!
Forge alliances, lead armies, and engage in modern warfare in an action-packed SLG game with intense PVP and cross-server events. Build a formidable army base, plan military operations, and strategize to conquer bases using various weapons. Join the warfare now and experience the thrill of war firsthand - lead your troops into battle, unleash devastating attacks, and emerge victorious. Are you ready to claim your rightful place in history? Join the fight today!
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.
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!
Embark on a thrilling journey in a sci-fi space strategy game where you expand your base, customize ships, engage in massive battles, and interact with interstellar forces. Join alliances, explore uncharted space, and experience realistic 3D graphics. Are you ready to carve your path in the Lagrange System? Explore more at the links below!
Experience the terrifying power of asteroids in a visually outstanding puzzle game where you control impacts to maximize devastation on Earth. With detailed graphics and scientific models, this challenging game offers a unique and strategic puzzling experience.
Experience space thrills in a thrilling game where you destroy planets using various weapons and techniques, with increasing challenges as you progress. Download now for an action-packed adrenaline rush!
In this MMO Space Game, players build their space colonies, defend them from attacks, and form alliances with other players to dominate the universe. Join the battle for galactic supremacy today!
Experience epic sci-fi battles in a galaxy of chaos with high-impact 3D graphics. Train, equip, and lead your team to conquer planets, challenge friends, and dominate the universe in intense head-to-head combat. Join the ultimate space adventure now!