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Online Aliens Games
Illegal Alien Game

Plays: 5581
Category: Action Games
You must play this new adventure filled with aliens, guns, and a lot of blood, defeat aliens armies, giants robots and avoid the tramps that your enemies has set to you. Fight for saving your planet in a gloomy environment, but remember, only the best will success.
Saving Lucy Game

Plays: 5552
Category: Action Games
Save Lucy! A highspeed chase through space.
Ben10 Alien Adition Game

Plays: 5515
Category: Education Games
Ben 10 aliens addition math game. You must click true answer for alien transformation.
Naval Infiltration Game

Plays: 5486
Category: Action Games
Aliens have infiltrated the naval command ship. You are the captain, you WILL go DOWN with your ship... The question is how many aliens will you take down with you? Excellent Graphics 15 Levels to Play - Clear a fixed number of waves to unlock next level. However a player can play an unlimited number of waves in each level. Difficulty increases with levels Simple Game Play - Click to Shoot Guns get over heated with continous fire Purchase additional auto firing guns for support Purchase Lasers and Mines to help you 20 Achievements to Unlock Shared Objects - Saves player unlocked levels and money Music Player - Choose to play three different types of tracks.
Ben10 Create Scene Game

Plays: 5468
Category: Action Games
Drag and drop aliens in to scene. Create your ben 10 cartoon scene. Enjoy.
Exterminator Game

Plays: 5454
Category: Action Games
Exterminator is a game of active cyborg shooting the aliens in the space lab!
Space Heroes 5 Game

Plays: 5416
Category: Action Games
In the year 20xx the earth is under the brink of total annihilation at the hands of a group of aliens! They had been attacking earth now for a few years and at first the people of earth were able to hold them back. But at last the space invaders broke through earth's defense and sent down a giant drill to destroy the earth's core. During this whole time, the nations of earth knew they would have to work together if they wanted to save the planet from being destroyed so they formed the Earth Alliance. They brought hundreds of the world's greatest minds together to build a mechanical machine that could stop the aliens. At last it was built and not a moment to soon. But as they turned the machine on it went crazy. It blew up destroying the building but the core was made out of the alien technology. After the energy blew everywhere it went into five people giving them unseen power and so the Earth Alliance recruited them and called them Space Heroes 5! They are the only ones who can fight to save the planet now!
Angry Aliens: Physiology Game

Plays: 5401
Category: Action Games
Angry aliens are invading earth! Shoot the invaders while teaching them a thing or two about physiology! Your knowledge and shooting skills just might save the world!
Crazy Taxi Game

Plays: 5388
Category: Action Games
Drive around destroying aliens in space in your taxi.
Alien Shooter 2007 Game

Plays: 5364
Category: Action Games
Classical shooting game. Try to kill as many aliens as you can, before they kill you.
Robots versus Aliens Game

Plays: 5348
Category: Action Games
Take hold of your robot and avoid the alien onslaught as long as you can!
Vector Defender Game

Plays: 5212
Category: Action Games
Defend the 10 planets from the invading vectors with your base gun. You WILL unlock planets as you successfully defend each one. Use the mouse to aim, click and hold the mouse button to build power, then release to fire. Red blockers on later levels cannot be destroyed Destroy passing satelites that fly across the screen to gain new weapons for a short period of time. Rebound your bullets of multiple enemies for greater scores.
Maho VS Zombies Game

Plays: 5132
Category: Action Games
The peaceful zombies life has over. Cruel aliens called maho has been come and try to conquer their planet. It's your destiny to lead the zombies to defend their basement from the enemies.
BFD (Bovine Flatulent Defense) Game

Plays: 5122
Category: Strategy Games
You play as a dairy farmer in a time when hostile aliens are invading the Earth. The only weakness that the aliens have is to the flatulents produced by bovine mammals... cows. You control the cows, equipping them with various weapons, and fighting various enemies leading up to a mother-ship battle.
Pest Busters SX3 Game

Plays: 5112
Category: Action Games
Shoot the aliens that threaten to destroy your ship!!!
Event Horizon Game

Plays: 5098
Category: Action Games
Navigate your ship through a multi-dimensional rift in spacetime. Destroy waves of inter-dimensional aliens as you fight your way back to Earth. Straight forward, yet compelling gameplay. This game puts the player into a pseudo 3d environment. The player can move forwards or backwards to avoid enemies. Naturally, the best approach in this game is to fire rapidly.
Earth Saviour Game

Plays: 5094
Category: Fighting Games
Just think you are an aero fighter. Now you have to save the world from the aliens. There are three levels. Level two & three are more exciting. Hope you will enjoy the glow graphics. This is its specialty.
Robot Jim Game

Plays: 5092
Category: Action Games
Aliens have taken over your space station help save it and post your top scores!
Submarine vs Aliens Game

Plays: 5079
Category: Action Games
Crazy shooter with a lot of enemies, weapons and upgrades!
Alien Escape! Game

Plays: 5048
Category: Action Games
Defeat aliens and make your escape!

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Tips: Go to Gameplay and choose Win On Timer for games where the enemy doesn't shoot and there is no way for you to be destroyed.