Best Alien Idle Apps &amp; Games

4.8😐(128K ratings)

FreeAdsIn-App Purchases

#91in Games

Alien Invasion: RPG Idle Space screenshot 1

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Alien Invasion: RPG Idle Space screenshot 6

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.

What We Love

🚀 No forced ads
🚀 Optional ads for rewards
👍 Addictive gameplay
👍 Fun concept
👍 Good time waster

Room to Improve

🐛 Bugs and glitches
🔋 Game heats up device
💰 Expensive subscription
🕰️ Slow progression
🕰️ Repetitive grind
🕰️ Lack of new content
🕰️ Maxed out at level 13

Idle Area 51 by PlaySide

Alien Idle Game!

Strong Contender

4.8😐(10K ratings)

FreeAdsIn-App Purchases

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.

What We Love

🚀 Addictive gameplay
👍 Unique space theme
🤩 Impressive graphics

Room to Improve

🐛 Frequent crashes and bugs
💰 Expensive in-app purchases
🔋 Drains battery quickly
🕰️ Slow progression without ads

Alien Attack: RPG Idle Action! by HAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETI

Evolve, Devour, Conquer!

Worth Considering

4.0(3 ratings)

FreeAds

Alien Attack: RPG Idle Action! screenshot 1

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Alien Attack: RPG Idle Action! screenshot 6

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.

More Alien Idle apps to explore

Idle Transformation

Become a Beast

Human to creature transformationsWerewolf evolutionYeti evolution

Simulate incredible transformations from human to mythical creatures like Werewolves, Yetis, and Aliens. Explore various evolutionary paths and discover unexpected outcomes in this engaging simulation game.

(26K)

Feel the power of the Aliens!

Idle Alien

Tap to attack spaceshipsUpgrade alien heroesBoost damage and gold

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.

Idle Anomaly: Alien Control

(123)

ad-supported

Build Your Own Empire!

Build and upgrade research stationManage employees and monitor healthDefend base from alien attacks

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.

(364)

Shadow Hunter: Offline Games

Hack & slash action RPG

Intense hack and slash combatEpic boss fightsMultiple playable characters

Embark on a dark fantasy adventure as a Shadow Hunter, battling demons and monsters in a ruined world. Master intense hack and slash combat, face epic boss fights, and upgrade your gear to restore light.

(14K)

Invasion Breaker: Idle clicker

Alien invade. TD & click games

Destroy enemy towersDefend home planetIdle defense gameplay

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.

(1.3K)

Unnamed Space Idle

by JDOG CORP

Destroy alien wavesCustomize ship with weapons/defensesUnlockable systems and upgrades

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.

(199)

Alien Attack Idle Simulator 3D

Build a galactic empire!

Stickman Legends Offline Games

Action Offline Fighting Games

Offline shadow fighting gameplayMultiple stickman fighter classesExtensive item and skill upgrades

Engage in offline shadow battles as a stickman warrior, combining action and RPG elements. Face off against monsters and bosses, collect diverse fighters, and upgrade skills and items to conquer the dark world. Compete globally for the top spot.

(6.3K)

Alien Attack: Idle Arcade Game

by P.D. PLAYGENES INTERNATIONAL LIMITED

Eternal Evolution upgradesExhilarating arcade gameplayEpic boss battles

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.

(10)

Idle Aliens

Protect the universe!

Build cannon empireDefend worldsDiscover new technologies

Build an empire of cannons to defend worlds against alien invaders in this casual idle shooting game. Discover new technologies and blast your way to victory.

(9)

Space Tower Defense Shooter

UnderAttack: Idle TD

No WiFi Games - Offline Games

Fun Games to Play When Bored

Diverse game selection100% offline playRegular game updates

Discover a vast collection of engaging games playable entirely offline. Enjoy puzzles, strategy, word games, and more without needing an internet connection. Save progress, track scores, and unlock achievements in a user-friendly interface.

(6.4K)

Novafall: Idle Space Empire

Galaxy Tycoon & Colony Builder

Idle Planes: Airplanes & Jets

Plane Builder & Air Jet Games

Build historical airplanes piece by pieceCustomize your aircraft fleetEngage in aerial survival challenges

Build and customize historical aircraft piece by piece, then take them to the skies in challenging aerial survival missions. Earn in-game currency to expand your fleet and become an ultimate air force legend.

(502)

Idle Alien Octopus-Tycoon Game

Meet epic monster from legends

Octopus hunting simulationEvolve into a legendary sea creatureExplore diverse 3D environments

Control an octopus and evolve it into a fearsome sea monster. Hunt and consume everything in sight, from fish and humans to ships and even spacecraft, to grow stronger and explore vast underwater and outer space environments. Upgrade your creature's abilities to dominate the ocean and beyond.

(21)

Jump Alien

by Central Domains LLC