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Best Alien Planets Apps & Games

174+ iOS apps & games curated and reviewed

4.7 avg rating
18 free apps & games
Updated July 2026

Whether you're new to alien planets or looking for an upgrade, our curated collection of 174+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Alien Planets

Galaxiga: Classic Arcade Game#3

Galaxiga: Classic Arcade Game by ONESOFT GLOBAL PTE. LTD.

80s Alien Space Galaxy Shooter
Worth Considering
🎮 Games
4.6😐(26K ratings)
FreeAdsIn-App Purchases
Galaxiga: Classic Arcade Game screenshot 1
Galaxiga: Classic Arcade Game screenshot 2
Galaxiga: Classic Arcade Game screenshot 3
Galaxiga: Classic Arcade Game screenshot 4
Galaxiga: Classic Arcade Game screenshot 5
Galaxiga: Classic Arcade Game screenshot 6

Engage in thrilling arcade-style space combat, defending the galaxy from alien invaders. Pilot customizable starships, upgrade weapons, and face challenging missions and bosses. Experience a blend of classic nostalgia and modern action with competitive multiplayer and leaderboards.

What We Love

  • 🚀 Fun and addictive gameplay
  • 🎮 Nostalgic arcade-style experience
  • 👍 No forced ads
  • 🎨 Great graphics and visuals

Room to Improve

  • 💰 Expensive in-app purchases
  • 🕰️ Slow progression without spending
  • 🔁 Repetitive gameplay

More Alien Planets apps to explore

4
Space Bound: Planet games
Space Bound: Planet games
Space Bound: Planet games
Earth game and alien RPG
Free

Embark on an epic space adventure as an astronaut exploring alien planets. Harvest resources, battle extraterrestrial foes, and upgrade your skills to uncover cosmic secrets. This game offers a vast universe to discover and conquer.

Explore alien planetsHarvest resourcesEngage in battles
🎮 Games
(482)
free with in-app purchases
5
Alien Hive
Alien Hive
Alien Hive
Match and Evolve your Alien
Free

This game blends match-3 and sliding tile puzzles to evolve aliens. Match tiles to hatch and evolve creatures, harvest resources, and build your ultimate alien hive. Strategically defeat villainous bots and uncover the planet's mysteries.

Evolving-aliens puzzle gameplayHybrid match-3 and sliding tile puzzlesMatch tiles to harvest resources
🎮 Games
(189)
free with in-app purchases
6
Planets
Planets
Planets
by Q Continuum
Free

Explore the solar system with a 3D guide. Discover planets, moons, and celestial events with interactive sky views and visibility information. Perfect for budding astronomers.

3D solar system guide2D sky view3D planetarium sky view
🔧 Utilities
(899)
free
7
Alien Invasion: RPG Idle Space
Alien Invasion: RPG Idle Space
Alien Invasion: RPG Idle Space
Spider evolution alien games!
Free

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.

Evolve alien for new abilitiesCrush humans and challenge bossesUpgrade capacity, speed, and radius
🎮 Games
(126K)
free with in-app purchases
8
Crazy Spaceship.io: Alien Wars
Crazy Spaceship.io: Alien Wars
Crazy Spaceship.io: Alien Wars
Alien invader crush cities!
Free

Become an alien invader and crush cities on Earth. Grow by abducting people and destroying buildings, but beware of other aliens who will try to swallow you. Compete against others in fast-paced, timed invasion battles.

Destroy buildingsAbduct peopleGrow by collecting
🎮 Games
(2.3K)
free
9
Idle Area 51
Idle Area 51
Idle Area 51
Alien Idle Game!
Free

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.

Salvage alien tech from crashed UFOsBuild and upgrade a secret desert facilityResearch alien biology, weaponry, and travel
🎮 Games
(10K)
free with in-app purchases
10
Solar Smash
Solar Smash
Solar Smash
by PARADYME LIMITED
Free
$3.99 | 100% OFF

Unleash your destructive power on planets with a vast arsenal of weapons. From nuclear missiles and lasers to monstrous creatures and asteroids, obliterate celestial bodies in this engaging simulator.

Planet destruction simulatorVariety of weaponsNuclear missiles
🎮 Games
(383K)
free with in-app purchases
11
Ancient Planet Tower Defense
Ancient Planet Tower Defense
Ancient Planet Tower Defense
They're coming right for you!
Free

Defend an ancient stronghold from alien invaders using powerful technologies. Build and upgrade towers in a classic tower defense experience with unique levels and diverse enemies. Enjoy an offline, ad-free strategy game with a compelling storyline.

Classic Tower Defense gameplayBuild towers anywhere on the field40 unique levels
🎮 Games
(1.1K)
free with in-app purchases
12
Find the Alien: Fun Adventure
Find the Alien: Fun Adventure
Find the Alien: Fun Adventure
Can you find the alien?
Free

Engage in a thrilling 3D invasion game where you must identify and eliminate hidden aliens disguised as ordinary people. Utilize scanners and blasters to complete levels, unlock new weapons, and rescue citizens from alien isolation across various city suburbs.

Identify and eliminate disguised aliensUtilize blasters and UFO scannersUnlock new weapons and locations
🎮 Games
(260K)
free with in-app purchases
13
Galaxy Attack: Alien Shooter
Galaxy Attack: Alien Shooter
Galaxy Attack: Alien Shooter
Classic Space War Invasion
Free

Pilot a lone spaceship to defend Earth from relentless alien swarms in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across numerous levels and intense boss battles.

Multiplayer modeHigh quality graphicsActive skills
🎮 Games
(649K)
free with in-app purchases
14
Galaxy Defense: Fortress TD
Galaxy Defense: Fortress TD
Galaxy Defense: Fortress TD
Defend Planet, Beat Aliens!
Free

Defend Earth from alien invaders in this idle tower defense game. Build diverse turrets, strategize your defense, and power up your character with unique skills and weapons. Collect resources and take on global challenges to protect the planet.

Build diverse turrets with unique skillsStrategize turret assembly based on enemy attributesPower up character with chips and weapons
🎮 Games
(8.9K)
free with in-app purchases
15
Alien Planet Game
Alien Planet Game
Alien Planet Game
by FortyTwoWarehouse LLC
Free

Fly an alien to dodge tractor beams and score points for your chosen state or country. Compete on a global leaderboard to see which territory reigns supreme. A simple, family-friendly game with infinite replayability.

Choose US states or world countriesOne-tap flying controlsGlobal leaderboard for territories
🎮 Games
(6)
free
16
ASTROKINGS: Galactic Survival
ASTROKINGS: Galactic Survival
ASTROKINGS: Galactic Survival
Command fleets, battleship war
Free

Command powerful fleets in epic space battles, manage resources, and build planetary facilities. Customize your starships and lead your alliance to conquer the galaxy in this sci-fi real-time strategy multiplayer saga.

Build and upgrade planetary facilitiesRecruit galactic heroesMine and trade space resources
🎮 Games
(1.9K)
free with in-app purchases
17
Alien Survivors
Alien Survivors
Alien Survivors
Survive planet of the aliens!
Free

Embark on a mission to save humanity from extinction by collecting vital energy crystals on an alien planet. Battle relentless alien creatures using advanced technology and strategic upgrades. Your choices will shape the development of technology and determine the fate of mankind.

Utilize dozens of technologiesDefeat endless hostilesLevel up your tank
🎮 Games
(130)
free with in-app purchases
18
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
Terraform Universe Planets
Free

Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.

Idle planet building simulatorReal science from NASATerraform planets and moons
🎮 Games
(32K)
free with in-app purchases
19
Alien Sky - Space Camera
Alien Sky - Space Camera
Alien Sky - Space Camera
Ultimate Space Editor
$4.99

Transform ordinary photos into futuristic space scenes. Add planets, galaxies, stars, and lens flares to create otherworldly images. Customize your sky and give your photos a unique sci-fi feel.

Space objects (planets, galaxies, moons)Bright suns and distant starsFuturistic lens flares
📷 Photo & Video
(129)
free
20
Alien Planet Casino
Alien Planet Casino
Alien Planet Casino
Futuristic Slot Machine Game
Free

Experience a futuristic slot machine game with alien and planet themes. Place wagers, spin reels with various symbols, and gamble winnings in a card game. Discover new planets and enjoy a unique galactic environment.

20+ pay linesWild and Scatter symbolsGamble winnings
🎮 Games
(2)
free with in-app purchases