Best Alien Idle Apps &amp; Games

4.8😐(129K ratings)

FreeAdsIn-App Purchases

#70in 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

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

Evolve, Devour, Conquer!

Strong Contender

4.0(3 ratings)

FreeAds

Alien Attack: RPG Idle Action! screenshot 1

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Alien Attack: RPG Idle Action! screenshot 3

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Alien Attack: RPG Idle Action! screenshot 5

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.

Idle Area 51 by PlaySide

Alien Idle Game!

Worth Considering

Feel the power of the Aliens!

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

More Alien Idle apps to explore

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.

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.

Human to creature transformationsWerewolf evolutionYeti evolution

(26K)

Idle Anomaly: Alien Control

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)

Perfect Golf - Satisfying Game

New Offline Fun Mini Puzzle

Realistic golf physicsObstacle challengesUnlockable chests and rewards

Experience a satisfying golf puzzle game with realistic physics. Master your swing to overcome obstacles and aim for the perfect shot, earning stars to unlock surprise rewards and collect unique golf balls.

(40K)

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.

(203)

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)

Alien Attack Idle Simulator 3D

Build a galactic empire!

Brain Test: Tricky Puzzles

(0)

Can you solve them all?

Unconventional puzzle designSurprising twistsSimple mechanics

Engage your mind with a collection of clever and surprising puzzles that use misdirection and playful logic. This app offers unconventional challenges designed for casual enjoyment and creative thinking, perfect for solo play or sharing.

(1.5M)

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)

Alien: Isolation

Run. Hide. Survive.

Survival horror gameplayStealth and evasion mechanicsResource scavenging and crafting

Embark on a terrifying quest for survival aboard a space station. Unprepared and underequipped, you must use your wits and courage to escape an unknown menace. Experience a faithful mobile replication of the classic survival horror game, complete with AAA visuals and an arresting narrative.

(1.3K)

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)

Tomb of the Mask: Pixel Maze

Retro arcade in the labyrinth!

Infinite procedurally generated labyrinthWall-climbing abilityVariety of traps and enemies

Embark on an adventure in a procedurally generated vertical labyrinth. Discover a mask that grants the ability to climb walls, leading to exciting challenges with traps, enemies, and power-ups.

(1.5M)

Alien Trade: Earth Shop Tycoon

Idle Space Merchant Tycoon

Idle Planes: Airplanes & Jets

(0)

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 Planet Defender: Space TD

Idle Space Tower Defense

Idle Alien Octopus-Tycoon Game

(0)

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)

Sol Frontiers - Idle Strategy

Explore, battle and upgrade!

Explore uncharted cosmosBattle the Swarm and Deeper DarknessUpgrade mothership and starfighters

Embark on a sci-fi odyssey to reclaim humanity's lost home. Captain a mothership, awaken your crew, gather resources, and battle cosmic threats in an idle strategy adventure.

(120)