Lead an alien entity in an idle survival game to conquer the planet by consuming humans and evolving your army. Face formidable bosses and complete quests in exhilarating arcade action.




231+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our alien attack idle simulator 3d list covers 231+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | Yes | May 2026 | |
| 2 | Free | 4.6★ (7) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.0★ (3) | Yes | No | Jul 2026 | |
| 4 | Free | 4.8★ (127K) | Yes | Yes | Aug 2026 | |
| 5 | Free | 4.6★ (179) | No | Yes | Aug 2026 | |
| 6 | Free | 2.0★ (1) | Yes | Yes | May 2026 | |
| 7 | Free | 4.5★ (1.3K) | No | Yes | Aug 2026 | |
| 8 | Free | 4.5★ (123) | Yes | No | Jul 2026 |








Lead an alien entity in an idle survival game to conquer the planet by consuming humans and evolving your army. Face formidable bosses and complete quests in exhilarating arcade action.






Control a rapidly evolving alien lifeform and conquer Earth. Consume humans to grow stronger, unlock new mutations, and dominate every battlefield. Upgrade your abilities and spread your alien domination across the planet.


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 an endless sci-fi idle game battling alien waves. Customize your ship with unlockable weapons and defenses, and strategically upgrade various systems to increase your power. Make impactful decisions to counter enemy types and progress through a well-paced unfolding experience.


Engage in a thrilling zombie and alien invasion survival game. Equip yourself with a variety of futuristic weapons and gears to battle hordes of enemies. Experience an immersive storyline with numerous missions and challenging gameplay modes.


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.


Engage in a hyper-casual space war by tapping to destroy hostile spaceships. Upgrade your alien heroes to increase damage and unlock new abilities. Enjoy a stress-relieving, offline gaming experience.


Build a research station to uncover the secrets of a mysterious alien Obelisk. Manage employees, defend your base from alien invaders, and upgrade heroes. Progress continues even when you're offline.


Defend your home planet from an alien invasion in this unique tower defense strategy game. Instead of building towers, you'll destroy enemy structures using a variety of military units and upgrades. Engage in seamless battles with growing difficulty and diverse enemies.


Assume the role of an alien pilot tasked with invading Earth. Your mission is to collect various species and study them, all while evading Earth's police and army. Navigate your UFO through Earth's orbit and avoid detection to complete your objectives.


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.


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.




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.


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.




Build and manage a secret desert facility to research salvaged alien technology. Expand your operations, unlock advanced research, and defend against government raids and alien interference. Your strategic decisions will determine the fate of your facility and potentially the world.


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.


Lead an alien invasion to conquer Earth by building and evolving a monster army. Raid human bases, gather resources, and upgrade your lab and creatures for ultimate domination in this sci-fi strategy game.