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Online invasion Games
Nation Invasion Game

Plays: 3575
Category: Action
Nation Invation Is a New Game ButIt Is Fun The Objective Is To Destroy All The Invaders That Are Trying To Take Over Your Nation
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Audacity Alien Invasion 2 Game

Plays: 3553
Category: Action
The galaxy is under attack - you are their best spaceship commander? Can you blast away the enemy in indie phenomenon?
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The Eve Of Invasion Game

Plays: 3355
Category: Shooting
The Narrows are coming... 04/06/12 www.thenarrows.co.uk
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Alien Invasion 2 Game

Plays: 3135
Category: Adventure
Awsome
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Invasion of the Hunchbots Game

Plays: 2915
Category: Action
Defeat the out of control robots! Also, check out hunchbotgame.webs.com, the game's site!
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Super Cat: Invasion Game

Plays: 2266
Category: Action
The city of felinopia have depended on Super Cat to keep them safe for years, but now evil aliens threaten the Peace that their precious super feline has given them. Help Super Cat defeat these evil aliens in the Pulado game Super Cat:Invasion.
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Planet Defender Game

Plays: 15379
Category: Strategy Games
PlanetDefender was inspired by the popular "Tower Defense" flash games like Elements TD, Desktop Defense or Vector Defense.
SkyFyre Game

Plays: 13008
Category: Shooting Games
A horizontal pixel shooter in long ago ages where men fly on fyre dragons. Play as Rhinn, the Fyre (dragon) rider of Aradu and help repel the invasion of monsters from a different world. Includes 4 upgradable fyre dragons, 6 bosses + minibosses, over 30 monsters and a secret bonus level.
Smileys Invasion 2 Frenetic Mode Game

Plays: 5699
Category: Action Games
Smileys Invasion is back in Frenetic Mode!! Try to eat as many Smileys as possible in an improved speedy environment!!
Space Hawk 2 Game

Plays: 5622
Category: Shooting Games
A vertical scrolling space shooting game. Pilot your space jet code named Spacehawk 2 to battle the invasion of the Arlozaxian galaxy's space fleet. With five different weapons, weapon upgrades, secondary weapons and several monster types , this game is fun for all ages.
G.R.C. Game

Plays: 4685
Category: Shooting Games
The G.R.C. is the earths only shield against martian invasion.
Spitfire: 1940 Game

Plays: 36293
Category: Action Games
The Fighter command needs your assistance and fast! The Battle of Britain is about to begin and you have been called upon to manage the British defences. Organize your men, build planes, check intelligence reports and send out your Spitfires to defend the country against the threat of German invasion.
Christmas Invasion Game

Plays: 24261
Category: Driving Games
This year, Santa and his trusty reindeer Rudolph have a bunch of problems on their hands. It's Christmas night and Santa has to deliver all the presents, but the aliens decided that children should not receive their presents this year and tried attacking Santa and keeping him from getting the presents to the children. Now, he has too get as many of the presents back as he can.
Alien Invasion 2 Game

Plays: 17362
Category: Strategy Games
Defend your base against the onslaught of alien invaders. Do whatever it takes to survive!
Sniper Game

Plays: 16586
Category: Shooting Games
June 6th 1944. The allied force is about to aunch the largest seaborne invasion in history off the coast of Normandy, France...
Sniper Hero Game

Plays: 13685
Category: Action Games
Japanese invasion of China, occupied most of China, a Chinese player to play sniper, alone latent Japanese stronghold, the assassination of the Japanese
Empire Island Game

Plays: 13661
Category: Action Games
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
Monster Invasion Game

Plays: 13374
Category: Action Games
As a soldier your only task is to survive as long as possible by killing all the monsters. As the game progress, you will gain new levels, learn new abilities and collect new weapons. Game contains: 3 different environments and 4 unique monsters 4 different weapons 12 abilities with various effects Monster Invasion is a fun typing shooter, where player has to type fast and think clear. Few seconds of low concentration will get you killed. Game features nice graphics, and has full sound and music.
Strafe - WW2 Western Front Game

Plays: 12143
Category: Action Games
Become a World War Two fighter pilot and dogfight your way through all the stages of the western front during the Second World War. Fly for five participating air forces and climb behind the controls of over 30 different aircraft. Work together with your wing men and fight the Battle of Britain, participate in the invasion at Normandy and move deep into the heart of the Reich. Strafe is the aerial combat game packed with non-stop action. Use all your cunning, tactics and skills to overcome wave after wave of incoming enemy aircraft including famous aircraft like the Supermarine Spitfire, Messerschmitt BF109, North-American Mustang, Douglas DC3 Dacota and the very first jet fighters to ever see action. Supported by original historical footage Strafe explains all the actual areal events of the western front during the Second World War. Watch your six and learn what is meant by "Always outnumbered but NEVER outgunned!"
Zip Zap Game

Plays: 12100
Category: Shooting Games
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.

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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.