Idle Area 51

Contains adsIn-app purchases
4.01K reviews
Content rating
Rated for 16+
500K+
Downloads
Content rating
Rated for 16+
In-Game Purchases (Includes Random Items)
Learn more
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About this game

The aliens have CRASH landed!!
Salvage as much alien tech as possible from the downed UFO and take it to your super secret desert facility for research in Idle Area 51.

Start small and build your operation from scratch. Unlock the secrets of alien biology, UFO construction, high-powered laser weaponry and interstellar travel and gain more funding from the shadowy government department overseeing everything. Maximize the efficiency of your facility by speeding up your processes; buy more vans, get more salvage, increase your research stations, train your workers and grow your operations!

But you’ll need to work fast. Keep an eye out for the little green guys, get your tinfoil hats ready and expect a visit from the Guys in Black! Start a misinformation campaign to throw the public off the scent, watch out for raids on your facilities and upgrade your operations with goodies from interplanetary Star Gates and mysterious Quasars.

You’re in charge of the facility so develop your strategy, reduce costs, increase revenue and know that the choices you make will decide the fate of your operation ...and maybe even the world!
Become the best secret agent and run your own secret facility in this idle game.
Updated on
Oct 15, 2025
Available on
Android, Windows*
*Powered by Intel® technology

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.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

3.66K reviews
Jo Pi
August 2, 2021
Having an issue when I watch ads to gain money or emeralds, they don't always register to my totals after finishing the videos. I don't mind watching ads to gain some help, but after multiple times of the money or emeralds not coming through, well it's getting a bit daunting at this point. Probably delete if I don't get reimbursed, and the issue fixed. Otherwise a decent time killer game.
28 people found this review helpful
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T.J. Heinrichs
January 25, 2022
Game is great, only problem is when I click on the thing to watch an ad for more gems it resets my gems to 50 and then doesnt give me my reward. I have only been playing for a couple hours and this has happened 4 times now. I really dont mind watching ads for rewards but when I have to pay to watch the ad and then get nothing in return is pretty annoying for sure.
35 people found this review helpful
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alexdb82
June 20, 2022
The game is fun in the beginning but apparently there is nothing beyond 'Air force base'. Without ads , getting there is a few hours gameplay. For the agent adds approximately 30% to the current money in every 10 seconds, without spending any from the earnings 1.3 to the power of 30 is a nice multiplier. Leveling up departments, salvage area or loading/unloading makes no difference only taking all the savings for no reason.
10 people found this review helpful
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What’s new

bug fixes & app improvements :)