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Free alien game downloads by genre reverse
Here you can find and download for free the best alien games, such as Alien Defense, Invadazoid, Desperate Space, Pulsarius, MachineHell, and more.
Order the games by:
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 6 MB
Invadazoid
June 28, 2005
Jump into dynamic, ball slinging, alien busting fun! This brick-busting shooter will give you an adrenaline rush that is out of this world! more…
June 28, 2005
Jump into dynamic, ball slinging, alien busting fun! This brick-busting shooter will give you an adrenaline rush that is out of this world! more…
Alien game 9 MB
Desperate Space
September 7, 2005
You and your team of allies must stop the aliens in their tracks. It's the shooter with mass appeal - Desperate Space! more…
September 7, 2005
You and your team of allies must stop the aliens in their tracks. It's the shooter with mass appeal - Desperate Space! more…
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 28 MB
Bookworm Adventures: Astounding Planet (Word games)
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! more…
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! more…
Alien game 57 MB
Harvest: Massive Encounter (Strategy games)
June 20, 2008
Use clever tactics, cunning defense priorities and daring base designs to repel hordes of aliens coming to destroy your mining venture! more…
June 20, 2008
Use clever tactics, cunning defense priorities and daring base designs to repel hordes of aliens coming to destroy your mining venture! more…
Alien game 39 MB
The Sims Carnival SnapCity (Strategy games) 
March 2, 2008
From the creators of The Sims comes a unique city-building simulation game with a puzzle twist. Place falling, color-coded blocks to assemble the best possible city! more…
March 2, 2008
From the creators of The Sims comes a unique city-building simulation game with a puzzle twist. Place falling, color-coded blocks to assemble the best possible city! 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 6 MB
Crimsonland (Shooting games)
April 18, 2003
Thousands of bad guys are on the attack - can you survive? A devastating arsenal will help you through hours of pressure packed fun. more…
April 18, 2003
Thousands of bad guys are on the attack - can you survive? A devastating arsenal will help you through hours of pressure packed fun. more…
All alien games are free to download, you can try and play all alien games listed for free.