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Free alien game downloads by popularity
Here you can find and download for free the best and most popular alien games, such as Science Girls!, The Mystery of a Lost Planet, Fantasy Mosaics 29: Alien Planet, Darkside, Crusaders of Space 2, and more.
Order the games by:
Science Girls! (Educational games)
July 23, 2009
The school is under attack and only the Science Club, using their superpowers, can save the day!
July 23, 2009
The school is under attack and only the Science Club, using their superpowers, can save the day!
Alien game 518 MB
The Mystery of a Lost Planet (Mystery games)
January 30, 2015
Can you solve the mystery of a lost planet and rescue the crew of a spaceship in distress? more…
January 30, 2015
Can you solve the mystery of a lost planet and rescue the crew of a spaceship in distress? more…
Alien game 89 MB
Fantasy Mosaics 29: Alien Planet
June 13, 2018
Help uncle Aaron explore the home planet of lady Una and solve new colorful puzzles! more…
June 13, 2018
Help uncle Aaron explore the home planet of lady Una and solve new colorful puzzles! more…
Darkside (Arcade games)
December 26, 2007
The Krainian Empire has invaded our outer territories! Hop into your ArkLight X-52 and take the fight back to the enemy, one battle at a time!
December 26, 2007
The Krainian Empire has invaded our outer territories! Hop into your ArkLight X-52 and take the fight back to the enemy, one battle at a time!
Crusaders of Space 2 (Shooting games)
June 22, 2006
You're a on a mission to eliminate alien foes across the galaxy with an arsenal of weapons and devastating missile attacks. Let the fun begin!
June 22, 2006
You're a on a mission to eliminate alien foes across the galaxy with an arsenal of weapons and devastating missile attacks. Let the fun begin!
Alien game 98 MB
Sylia - Act 1 (Arcade games)
November 30, -0001
Save the realms of Sylia in this exciting adventure game! more…
November 30, -0001
Save the realms of Sylia in this exciting adventure game! more…
Alien game 219 MB
12 Labours of Hercules IX: A Hero's Moonwalk Collector's Edition
September 9, 2019
Get on board the spaceship with Hercules, explore distant planets, find extraterrestrial life and save the galaxy from a dangerous monster! more…
September 9, 2019
Get on board the spaceship with Hercules, explore distant planets, find extraterrestrial life and save the galaxy from a dangerous monster! more…
Crusaders of Space: Open Range (Shooting games)
August 9, 2005
Victory was just a pipe dream. The aliens are back to settle the score and the Earth needs a gun-toting clean-up hitter. Batter-up!
August 9, 2005
Victory was just a pipe dream. The aliens are back to settle the score and the Earth needs a gun-toting clean-up hitter. Batter-up!
Hyperspace Invader
November 15, 2005
Explore hyperspace navigating the most advanced fighter craft ever created as you save humanity from alien aggressors!
November 15, 2005
Explore hyperspace navigating the most advanced fighter craft ever created as you save humanity from alien aggressors!
Bookworm Adventures: Astounding Planet 
December 3, 2009
Help Lex save the world from mutants and robots in this time-traveling, vocabularious adventure! It's up to Lex to set things right!
December 3, 2009
Help Lex save the world from mutants and robots in this time-traveling, vocabularious adventure! It's up to Lex to set things right!
All alien games are free to download, you can try and play all alien games listed for free.