Alien Invasion: RPG Idle Space

Contains adsIn-app purchases
4.3
308K reviews
10M+
Downloads
Content rating
Everyone 10+
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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
Aug 19, 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
294K reviews
Bobbie Caballero
October 23, 2024
Fun addicting but I Hate how there is so many menu pop ups that get in the way of the screen. They block your veiw at some times that are precise key moments. Move that junk I don't want to pump money into the game, I don't want to review it every other day, I know what that kiosk thing is stop popping up everytime im near. Please clear the screen more. Otherwise u get 'painting keeping up eith the game right on time or thereabouts. I wouldn't mind more optional ads for bonus 'money'
27 people found this review helpful
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CrazyLabs LTD
October 24, 2024
Hi there, Thanks for your helpful feedback and suggestions. We're continuously working to enhance our game to its fullest potential! Keep playing as we have new and exciting updates ahead! Alien Invasion Team
Fitz Xavier
February 5, 2025
It's a fun time waster. I like the concept of just eating the people for fuel and completing small missions lol. I wish it was easier to level up without having to watch a million ads (or paying for power ups), but the one thing I will say is that this game doesn't interrupt gameplay with forceful ads. That (and the fact that I'm a venom looking alien with spikes as I get bigger lol) is why I'm still playing.
28 people found this review helpful
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Anthony Mitts
November 27, 2024
Was good until..... Was really enjoying this game and then I hit lvl 10, now 75% of the ads I hit, which you use to get in game currency, freeze the game when you get out of the and don't give the rewards, though I assume the Dec still gets the ad revenue from the click. It is an unbearably long process to progress in any meaningful way without the ad rewards. I get this and expected it, i accept this give and take willingly, but when the user payout is taken away it is no longer acceptable.
235 people found this review helpful
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CrazyLabs LTD
November 28, 2024
Hey there, Let's get you back to smooth playing. Please email us at support@crazylabs.com and explain a bit more about the issue. Thanks, Alien Invasion Team

What’s new

Attention, Alien Invaders!

Update now and join the ultimate fight:

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Update now and keep invading!