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Online Alien Games
Kalien - Back To School Game

Plays: 2667
Category: Action Games
You control an alien called Kalian. Move him around the mouse and dodge the classroom objects, well maybe not all of them are classroom objects. Gain upgrades to make your alien smaller, bigger, more health, more enemies, rotation, extra points, and the most secret bonus, the computer.
Baby vs Alien Game

Plays: 2667
Category: Action Games
baby vs alien games, save the universe from the alien
Project Mayhem Game

Plays: 2664
Category: Action Games
You are a spy that was ordered to extract some alien DNA from area 51, You have the alien DNA but you must lose the tail you have earned yourself by all means necessary! Take them out before your mission is failed! Build your own game like this on Pulado.com! Build Your Own Games
Project Mayhem 2 Game

Plays: 2662
Category: Action Games
You are a secret agent ordered by the government to steal yet again another alien object from the secret military base area 51, Take the alien weapon device and use it to escape! Good luck! Build your own game like this on Pulado.com! Build Your Own Games
Mars Colonizer Game

Plays: 2653
Category: Action Games
Mars Colonizer is a small strategy game in space. The objective of the game is to capture the entire planet Mars by defeating your alien neighbours. Upgrade and use your spaceships to break down their resistance, once the resistance is low you can land on the surface to challenge the boss. Defeat all your enemies and rule over Mars.
Blast! Game

Plays: 2648
Category: Action Games
Blast through waves of enemies and destroy the alien boss! A fast-paced space shooter with various alien formations and a massive boss enemy. Your spaceship's rate of fire is upgraded automatically after completing a stage.
Twox Game

Plays: 2643
Category: Action Games
In this free online flash game you have to safe the twox creatures that are beamed down from the mothership while hostile aliens are trying to attack you.
Alien Invasion Game

Plays: 2639
Category: Action Games
Fun
Tales of the Demon Lords: Picardon's Galactic Campaign Game

Plays: 2637
Category: Action Games
The alien Picardon, the Demon Lord from planet Zorlos has started a campaign to take over the sixteen galaxies. It is up to you, a young starfighter named Lianmous to stop him. Special thanks to Loose Leaf for the awesome sprite generator I used to make the two sprites in the opening scene and Stencyl for the amazing game making program.
Age of Defense Mini Game

Plays: 2629
Category: Action Games
The mini soldiers are ready to the action! Battle through 32 units, unlock 32 unique skills, use tree-based upgrade system and beat over 100 levels!
Alien Kill Game

Plays: 2627
Category: Action Games
Alien Kill Choose your character and kill aliens.
2013 Invasion Game

Plays: 2624
Category: Action Games
This is UFO shooter game. UFO flying in space and palyer can shoot them for win. Be carefull with the time
Alien Avenger Game

Plays: 2623
Category: Action Games
The war against Aliens have begun. Help Army Man Rob destroy the aliens before they take over out planet! You have two guns to choose from.
Maya vs Aliens Game

Plays: 2623
Category: Shooting Games
Defend the city of Maya from aliens. Place cannons along road on which aliens move. Do not give any of them to get in city
Retro Attack Game

Plays: 2616
Category: Action Games
Fourty levels of non-stop classic retro arcade action! The game has an arcing storyline where you start out mining in an asteroid field, discover the alien attack, make a fighting retreat back towards Earth only to have it destroyed out from under you. From there you must seek to avenge your destroyed planet on the alien scum!
Fist Pumpin Game

Plays: 2607
Category: Action Games
While walking home from the nightclub, Louie finds the city taken over by aliens! Help Louie defeat the alien party crashers! Hop on enemies and combo for the win! Build your own games like this on Pulado.com! Make Your Own Games.
Comet Busters! Game

Plays: 2602
Category: Action Games
More awesome games at http://gamelash.tk
OPERATION SW23 Game

Plays: 2598
Category: Action Games
The war for survival has begun. The human race is threatened. Your mission is to repel the alien forces and defeat the bosses of each level! Another retro game by http://www.video-giochi.org
Brown Alien Coloring Game

Plays: 2597
Category: Customize Games
Brown Alien Coloring Game.
Mountains Find the Alphabets Game

Plays: 2597
Category: Puzzles Games
Analyze your power of observation by finding out the numbers. For each accurate click, score will get increased and for wrong click, score will get reduced.

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Tips: For a scope shot game you can go to Gameplay and enable Ghost to remove player/enemy collisions. Use invincible if you don't want enemy fire to hit your scope either.