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Eggs Attack A Free Online Game
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Defenders of the Universe A Free Online Game
Defenders of the Universe
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Online aliens Games
Flu Aliens Game

Plays: 1581
Category: Shooting Games
An army of aliens are attacking our world and only you can see them because you’re a tiny robot made by the people of earth to fight the alien’s back. Will you stop them or fail? Also you can upgrade and buy new ship.
Accion Game

Plays: 1570
Category: Action Games
Este "shooter" te pondrá al mando de un cañón , para parar el asentamiento de una fuerza extraterrestre .
Backyard Alien Defense Game

Plays: 1566
Category: Action Games
Simple point and shoot game. Your backyard is being invaded by creepy aliens and you need to defend it. Start with a basic gun and upgrade to better ones as you progress through the game. The game ends when you defeat the boss.
Robots aliens 2 Game

Plays: 1565
Category: Action Games
Robots taking over the planet. Required to reflect the attack from the air. Do you have a magic ball that turns into a powerful weapon.
E. T. Escapes...The Robot Reformatory Game

Plays: 1556
Category: Adventure Games
A point and click game from Artkivez.com. While cruising, a Robothian patrol intercepts you. Accused of possessing a tractor beam from a missing scout ship you are taken to a detention outpost. An unpleasant memory probe awaits you unless you can ESCAPE!
Alien Anarchy Game

Plays: 1553
Category: Action Games
The group of brave space voyagers made a crash landing on a distant planet. They’ve encountered hostile inhabitants who claimed to cut the invaders’ heads off. So, now you have to defend your crew as long as possible while repairing the ship. - 3 hero classes - 12 weapons - 7 weapon modifiers which provide unique abilities and unlock various strategies - 7 skills with 10 levels each - hundreds of enemies trying to get you dead or alive What else do you need to have fun? Oh, did we mention that the planet was the Earth and the voyagers were the aliens?
Killroom Game

Plays: 1548
Category: Action Games
An alien army is invading earth. Your job as a weapons engineer is to build a killroom to protect yourself. This is a different approach of an endless tower defense game. You have 6 different weapons in your arsenal. A lot of them require electricity so make sure to upgrade the tiles you want to place the weapons on. All weapons can be upgraded.
Lava Alien Assault Game

Plays: 1543
Category: Adventure Games
Aliens from the sun have planned an attack on earth, Make sure that they do not succeed, Dodge fire balls and alien ships while defending the planet earth.
Flu Aliens 2 Game

Plays: 1535
Category: Action Games
Aliens are sending down a virus from outer space and the only lines of defense humans have are nano machines that can fight them back.
Alarm! A Man on the Moon Game

Plays: 1532
Category: Action Games
A spaceship landed near the small moon city. Aliens are racing for loot.
Emily's Thrilling Adventure Game

Plays: 1527
Category: Adventure Games
Point-and-click adventure about a little girl that is fighting with aliens ;)
Aliens in the Box - Revenge Game

Plays: 1526
Category: Action Games
The aliens are back!!! Use your mighty powers of gravity to drop the little green dudes into the box. Be fast if you want to save the world and return them to their planet.
Last Line Of Defense Game

Plays: 1525
Category: Action Games
Aliens ave invaded Earth and you are one of the last remaining fighter pilots left. It is up to you to defend Earth and save the Human race! You are the last line of defense against the Shadow invaders!
Super Space Roller 2 Game

Plays: 1523
Category: Adventure Games
The game is a space themed, grid based puzzle where your challenge is to paint the space paths red while avoiding aliens.
Rocket Game 2: Space Survivor Game

Plays: 1519
Category: Action Games
Fly your space rocket, kill as many aliens ships as possible and collect stars to unlock new upgrades!
Aliens N Zombies Game

Plays: 1518
Category: Action Games
Aliens have landed on your planet, and converted some of the zombies as their slaves.These zombies started to attack the persons and properties on your planet. You have to shoot down these zombies, and finally make the aliens leave your planet boarding their spaceship. .
Fashion Abduction Game

Plays: 1492
Category: Dress-Up Games
Aliens from outer space all wear the same clothes. It's one standard-issue uniform out in intergalactic space travel. But these aliens are trying to abduct some style and class! But this young fashionista will probably need to head back home to show off her cute belts and high heels!
Defeat the aliens Game

Plays: 1490
Category: Shooting Games
Towers,tanks copters,special powers,all the things are waiting for your orders.Commander,welcome back and teach the alien a lesson !!!
Eroc Game

Plays: 1486
Category: Action Games
"While travelling aboard the SS-Spoogob, E-roc happens to fall overboard. Landing on the planet GA5-X, he must collect as many energy cells to be able to power himself back off the planet, and back onto his luxury cruise across the galaxy!" 16 levels of rolling, bouncing, jumping and simple puzzle solving. Complete each level by finding the goal, collecting the energy cells and squashing the aliens! Lose points for getting hurt on the harder levels.
Math Apocalypse Game

Plays: 1486
Category: Action Games
The earth has been invaded by aliens who feed from the human brain activity leaving unconscious the people. You are the last hope to resist the invasion. You will have to use your mind power to defeat them.

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Tips: Explosion graphics animate until the end of their timeline and then disappear. A single frame explosion will disappear almost instantly and not look that great. Usually 20-40 frames for an explosion should work well.