Featured Free Online alien invasion Games | |||||||
 Galaxy Guardian |  alien invasion |  the Utans |  Empire Island |  Zip Zap | |||
 Earth Defender |  Last Command |  Sky Hounds | |||||
Top Rated Online alien invasion Games | |||||||
Sky Hounds | Last Command | Galaxy Guardian | Earth Defender | Zip Zap | alien invasion | the Utans | Empire Island |
Newest Free alien invasion Games | |||||||
 Prepare For 2012 |  Alien Invasion 2 |  Space Runner |  Alien Invasion |  Jetfighter |  alien blaster |  Space Explorer Game |  Alien Invasion |
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Alien Invasion 2 Game  Plays: 17382 Category: Strategy Defend your base against the onslaught of alien invaders. Do whatever it takes to survive! | Empire Island Game Plays: 13697 Category: Action Build and defend your Empire Island through the ages. Build up your population to raise taxes. Choose 30 different types of construction unit including several types of weapon, ranging from mud-ball towers and cannons through to advanced futuristic weapons such as lasers and missiles. Place defences including mines, explosive balloons and tesla coils. Build banks and markets to increase revenue. Call upon powerful Acts of God, such as Lightning, Tsunamis and Firestorms. Fend off ever more advanced enemies, starting from simple wooden boats, right up to alien invaders. Upgrade almost everything! One of the most advanced physics-based strategy games available. This is a thinking-mans strategy game, not to be confused with a Tower Defence game. If you find you are not earning enough money - you probably need to try a different strategy. Walkthough here: http://armorgames.com/guide/empire-island-game-guide Video Walkthrough: http://www.thepodge.co.uk/readarticle8.html | |||
| Zip Zap Game Plays: 12120 Category: Shooting A sideways scrolling shoot-em-up in the style of the ancient arcade classic "Defender". Defeat the alien invasion by destroying all 10 waves of enemy spacecraft and rescue as many refugees as possible. | Last Command Game Plays: 9390 Category: Action Alien invasion has begun! You control the last platoon of soldiers that have survived the onslaught! Protect your bases! Once all the bases are destroyed the aliens will control everything! 5 stages, 10 waves each stage, and a big bad alien boss at the end of each stage! | |||
| alien invasion Game Plays: 9261 Category: Action defend your base from an endless onslaught of alien invaders. you can build buildings, units, and call for support! | Galaxy Guardian Game Plays: 6376 Category: Action Defend Earth from alien invasion. | |||
 Star command GamePlays: 6331 Category: Action Defeat the huge alien invasion approaching Earth with only three Starships. More tower defence games |  Green alien invasion GamePlays: 5984 Category: Adventure save green alien. | |||
 Xyphrilli Infinite Legion GamePlays: 5600 Category: Shooting Xyphrilli Infinite Legion is an intergalactic shooter where the player has to save the earth from the evil machine army called the Xyphrilli. There are eight stages, each with it's own unique boss. |  BFD (Bovine Flatulent Defense) GamePlays: 4910 Category: Strategy 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. | |||
 Troops Tower Defense GamePlays: 4826 Category: Action Protect the planet from alien invasion, buy cannons, get money, make upgrades, win challenges, unlock achievements and be the best of ranking. |  Alien Escape! GamePlays: 4723 Category: Action Defeat aliens and make your escape! | |||
 Last Hope TD GamePlays: 4661 Category: Action Welcome to Last Hope TD! Your main task will be protecting the Earth from alien invasion. To fulfill this important mission you will have the ship class AT-021. Unfortunately the Earth does not have enough resources to supply new arms to the ship, but you can improve the ship collecting weapons in the rubble after the fight. You can also buy combat turrets with unique properties and improve them. The campaign consists of 5 levels. Also available 2 additional free games. |  Alien Invasion GamePlays: 4573 Category: Action Stop the Alien Invasion! | |||
| Space Explorer Game Game Plays: 4478 Category: Action Space Explorer is the sci-fi top down action game with some RPG elements. You control the space ship in hostile environment of Alien base and should find the way to stop Alien invasion. |  Extraterrestrials GamePlays: 4430 Category: Shooting Obtain as many points as you can while fighting off the Alien Invasion with a variety of weapons. | |||
 OBL: One Button Left GamePlays: 4369 Category: Action Stop the alien invasion with your trusty space ship and avoid being hit. Actually, it is a typical hunt for the high score with an ever increasing difficulty. |  Alien Planet - BloodLust Mochi Edition GamePlays: 4292 Category: Action You are a space marine trainee who is assigned to protect a corporate flag from alien invasion. Protect your flag from being captured to the greys' UFO. Collect items that are dropped from your mothership and kill the incoming aliens. The key to survive in this game is to choose the right weapon against different kinds of enemy and balance the time for picking up items and protecting the flag. | |||
 Zegaloth Offensive GamePlays: 4251 Category: Action Zegaloth Offensive is a flash shooter game where you must defeat the Zegaloth Engineering Strike Team before they disable the beseiged planets generators. |  Santa Slays GamePlays: 4075 Category: Shooting Do you have what it takes to save the world from an Alien Invasion dedicated to stopping Christmas? Do you dream of driving Santa’s Sleigh, and using massive firepower to save defenseless Christmas Penguins? Then this is the game for you! Defend the arctic wastelands, battle into the urban frontier, and finally face the final Boss! | |||
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