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Free alien game downloads by popularity reverse
Here you can find and download for free the best and least popular alien games, such as Pulsarius, MachineHell, Alien Defense, Cosmic Stacker, Mighty Rodent, and more.
Order the games by:
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Alien game 12 MB
Alien game 10 MB
MachineHell
March 4, 2005
The world has been invaded by an alien race of machine warriors. The mission is simple, but tough - search and destroy all the alien machines and reclaim Earth! more…
March 4, 2005
The world has been invaded by an alien race of machine warriors. The mission is simple, but tough - search and destroy all the alien machines and reclaim Earth! more…
Alien game 11 MB
Alien Defense
July 5, 2005
A classic arcade shooter...with a twist! It's survival at all cost as you conquer the enemy that has laid waste to your home world. more…
July 5, 2005
A classic arcade shooter...with a twist! It's survival at all cost as you conquer the enemy that has laid waste to your home world. more…
Alien game 11 MB
Cosmic Stacker (Puzzle games) 
May 2, 2006
The stars are full of puzzling fun in this brain-bending challenge! It's one stellar way to unwind your mind! more…
May 2, 2006
The stars are full of puzzling fun in this brain-bending challenge! It's one stellar way to unwind your mind! more…
Alien game 8 MB
Mighty Rodent (Shooting games)
March 20, 2006
A hero of power, of stature and of pure meteoric strength...Sgt. Fluffles is here to blast the evil Space Aliens back where they belong! more…
March 20, 2006
A hero of power, of stature and of pure meteoric strength...Sgt. Fluffles is here to blast the evil Space Aliens back where they belong! more…
Alien game 9 MB
Alien Stars (Shooting games)
May 1, 2006
Travel to the year 2741 in this breathtaking vertical scrolling space shooter with 12 diversely themed missions that aim to please! more…
May 1, 2006
Travel to the year 2741 in this breathtaking vertical scrolling space shooter with 12 diversely themed missions that aim to please! more…
Alien game 19 MB
Xeno Assault II
February 14, 2005
Xeno Assault II will capture your mind with breath taking game play and heart pounding arcade action, the likes of which is rarely seen in a retro shooter. more…
February 14, 2005
Xeno Assault II will capture your mind with breath taking game play and heart pounding arcade action, the likes of which is rarely seen in a retro shooter. more…
Alien game 12 MB
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! more…
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! more…
Alien game 14 MB
Clash N Slash: Worlds Away (Shooting games)
May 25, 2006
Defend your planet from waves of alien attacks in Worlds Away, the sequel to one highly addictive arcade space shooter! more…
May 25, 2006
Defend your planet from waves of alien attacks in Worlds Away, the sequel to one highly addictive arcade space shooter! more…
Alien game 5 MB
Hap Hazard (Arcade games)
July 27, 2007
Save Space Station Icarus from Otto Oblivion in this fantastic tribute to Jumpman! Jump, Dodge, Climb and Dive to grab all the bombs! more…
July 27, 2007
Save Space Station Icarus from Otto Oblivion in this fantastic tribute to Jumpman! Jump, Dodge, Climb and Dive to grab all the bombs! more…
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All alien games are free to download, you can try and play all alien games listed for free.