Alien Invasion: RPG Idle Space

Contains adsIn-app purchases
4.3
297K reviews
10M+
Downloads
Content rating
Rated for 7+
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About this game

Spread your venom, defeat, evolve, and dominate in this addictive Alien Invasion: RPG idle survival game. Command an alien seeking supremacy, growing its army by eating every idle human. But beware – a powerful monster boss stands in your path, determined to halt your ascent. And you cannot kill it with fire, so you need to adapt and evolve your alien venom to triumph!


Defeat for an eternal evolution: Become the ultimate alien overlord by defeating each idle human and evolving. Strengthen your spider alien's capacity, attack speed, and catching radius to devour foes more efficiently. Make sure there isn’t a single survivor of your powerful venom!

Face powerful bosses: Epic boss battles test your strategic skills. Only the strongest aliens survive and thrive. Can you emerge victorious while playing their survival games? This is the Alien Invasion: Idle RPG game and you are the main character - show them your full venom power!

Fight in epic battles: There is no alien isolation for you in your base. Different enemies plan a galaxy attack and come to find the alien, fearing its powerful monster evolution. Always upgrade your skills, grow your alien and catch them all - your mission will be rewarded!





FEATURES:
EVOLVE your spider alien for new abilities and dominance.
CRUSH waves of humans, challenge mighty monster bosses.
UPGRADE capacity, speed, and radius for efficiency.
CREATE your own army of spider alien monsters.
PROGRESS through levels by completing quests.
UNLOCK new locations and face untamed enemies.
IMMERSE yourself in stunning visuals and sound.


You don’t need to search for more alien games - find the alien power within you, defend your base against every enemy and come out as a victorious survivor!
Dominate or be defeated by the human crowd evolution – download Alien Invasion now, the only one of the survival RPG offline idle games you’d endlessly enjoy, and assert extraterrestrial dominance!

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Updated on
Apr 13, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.3
283K reviews
Sevasti Madis (Silvia)
February 1, 2025
Honestly, this is my new favourite mobile game for killing time. It can keep me occupied for ages. Yes it's simple, but there's always something to do. I'm on level 14 and I still enjoy playing. Progress can be slow but it makes it more rewarding when you finally level up or get the resources to level up furnaces, for example. The weekly challenges always help keep it more interesting.
196 people found this review helpful
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CrazyLabs LTD
March 7, 2025
Hey, Thanks a million for the fantastic review! Great to hear you're such a fan! Keep evolving, one catch at a time, Alien Invasion Team
Chris Cillo
March 2, 2025
Looks like they raised the level cap finnaly, it is just sad you don't get any updates to your alien by leveling up, just access to new areas. Over 500 trillion to unlock the last units is ridiculous. Edit: Fixed how many humans you can eat at once. The Galaxy mini game, 2 levels the boss never showed up and had to exit with no reward. Waited 30 min both times.
19 people found this review helpful
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CrazyLabs LTD
March 4, 2025
Hi there, Let's get this sorted. Please contact us at support@crazylabs.com and let us know more about the issue. Thanks, Alien Invasion Team
Jeff Leja
March 1, 2025
Since the new update, the game seems very glitchy, and support has not been helpful at all. Also some of the new events are useless. You spend a ticket to teleport to another world, and are now some kind of robot. After exploring this area for 15 or 20 minutes I got a message saying the boss was approaching, but nothing ever happened. This happened twice, wasting both of my tickets. Looks like it's about time to uninstall this garbage.
130 people found this review helpful
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CrazyLabs LTD
March 4, 2025
Hi there, Let's get you back to enjoying our game! Please contact us at support@crazylabs.com and give us more details about the issue. Thanks, Alien Invasion Team

What’s new

Attention, Alien Invaders!

Update now and join the ultimate fight:

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Evolve and overpower!