173+ iOS apps & games curated and reviewed
Out of 173+ alien games invasion apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Pilot a lone spaceship to defend Earth from relentless alien swarms in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across numerous levels and intense boss battles.
Command an alien and grow its army by defeating humans in this idle RPG. Evolve your alien with new abilities, upgrade its stats, and face challenging boss battles to achieve extraterrestrial dominance.
Engage in epic online boss battles and challenging single-player missions in this action-packed shooter. Collect tons of gear, upgrade weapons, and customize your avatar to conquer alien invaders. Team up with friends for cooperative survival and intense multiplayer action.
Engage in a thrilling 3D invasion game where you must identify and eliminate hidden aliens disguised as ordinary people. Utilize scanners and blasters to complete levels, unlock new weapons, and rescue citizens from alien isolation across various city suburbs.
Engage in a thrilling tower defense game where you pilot a flying saucer to devour objects, gather resources, and build powerful cannons. Strategically defend your base against relentless zombie invasions by upgrading your saucer and fortifying your defenses.
Engage in alien invasion PvP combat with diverse character classes and unique abilities. Explore new galaxies, upgrade weapons, and battle giant bosses in this action-packed top-down shooter.
Engage in intense alien battles with a variety of realistic firearms. Explore immersive environments, unlock upgrades, and complete challenging missions. Experience thrilling gunfights with intuitive controls.
Defend a Texan farm from alien invaders in this action-packed runner and shooter game. Utilize a variety of crazy weapons and vehicle upgrades to stop the extraterrestrial corn thieves and protect the harvest. Enjoy a humorous story with redneck characters and challenging gameplay.
Embark on a terrifying quest for survival aboard a space station. Unprepared and underequipped, you must use your wits and courage to escape an unknown menace. Experience a faithful mobile replication of the classic survival horror game, complete with AAA visuals and an arresting narrative.
Play as an alien warrior on a mission to rescue allies and fight human factions for world dominance. Collect keys to unlock powerful weapons and armor, and enlist monstrous allies to aid in your conquest. Face challenging bosses and capture Earth to save your kin.
Become an alien invader and crush cities on Earth. Grow by abducting people and destroying buildings, but beware of other aliens who will try to swallow you. Compete against others in fast-paced, timed invasion battles.
Build defenses and fight off alien monsters in your room. Tap to create structures and upgrade weapons to survive the invasion until darkness passes. Outlast the devil monsters to win.
Lead an alien invasion in this fast-paced strategy game. Choose from various alien races, harvest resources, and upgrade your forces to conquer Earth. Experience challenging gameplay with multiple difficulty levels.
Hunt down disguised alien imposters hiding among humans and everyday objects. Use scanning equipment and futuristic guns to identify and capture them before they invade Earth. Merge captured aliens to discover new superior forms and unlock powerful upgrades.
Defend against an alien invasion in this RPG where you gather resources, upgrade your spaceship, and battle waves of extraterrestrial foes. Craft powerful upgrades and unlock new abilities to survive the relentless assault and claim victory in this captivating space adventure.
Defend your flock from an alien invasion in this strategic tower defense game. Deploy a variety of updated and new weapons across numerous maps and campaigns. Utilize unique character abilities and optional in-app purchases to overcome challenging enemies and bosses.
Embark on a sci-fi adventure as a brave spaceman in this rogue-like mobile game. Battle alien hordes, explore space, and uncover universal secrets. With stunning graphics and immersive gameplay, you'll need all your skills to survive.
Engage in a thrilling alien invasion defense. Wield powerful weapons and advanced scanners to eliminate extraterrestrial threats and protect city civilians. Upgrade your arsenal and skills to overcome diverse alien types and challenging missions.
Defend Earth from an alien invasion in this fast-paced arcade space shooter. Upgrade your ship with powerful enhancements and conquer over 150 unique levels, including challenging boss battles. Compete for high scores and save your progress.