Alien Invasion: RPG Idle Space

Contains adsIn-app purchases
3.38L reviews
Content rating
PEGI 7
1Cr+
Downloads
Content rating
PEGI 7
Mild violence
In-game purchases
Learn more
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About this game

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 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 to triumph!

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

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 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 alien for new abilities and dominance.
CRUSH waves of humans, challenge mighty bosses.
UPGRADE capacity, speed, and radius for efficiency.
CREATE your own army of aliens.
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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Playing idle RPG alien games? Find the alien isolation base & leave no survivor!
Updated on
9 Nov 2026

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

3.22L reviews
Martyn Harris
19 December 2022
Great idea poorly implemented. The game is just far too much of a slog to be enjoyable. You HAVE to watch adds to gain any meaningful progress, this was okay at first, I don't mind watching adverts in f2p games, especially if they provide a small boost, but after a short time you realise you watch an ad to progress, then watch an ad to progress, then watch an ad to progress.... really not much of a game, which is a shame, I want to like it so badly
7 people found this review helpful
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hairyhaggler
27 December 2022
The game is good. But there are so many bugs. Also there is no way to restore your game.!! I killed the mechanicle monster and all the quest people disappeared and i had no way of finishing quests. Closing the game, clearing cache had no affect .i had to reinstall the game and it started fresh with no way to restore my old game. Please fix this issue !!!
33 people found this review helpful
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Darran Martin
30 October 2022
Nice little game but I do have a massive problem. On my first run through I got my alien to level 5. Closed the game and came back to it after some sleep and I was back to level 1. Some of the previous purchases are still there but had to play through to level 3 to find out. Went on again and back to level 2. It's a bit frustrating when enemies are walking through walls which has been said in previous posts. Would like to be able to come back to where I finished.
114 people found this review helpful
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