Build Free Online Games - Play over 40,000 games online including online games , internet games , flash games , and all your own free games.
  Scuba Catcher Xtreme A Free Online Game
UFO Attack A Free Online Game
UFO Attack
dog fight 2 A Free Online Game
dog fight 2
WW2 Invasion A Free Online Game
WW2 Invasion
Pumpkin vs Zombies A Free Online Game
Pumpkin vs Zombies
Pirate Hunters A Free Online Game
Pirate Hunters
v
v's vs z's

Online alien Games
Graviton X Game

Plays: 23210
Category: Action
You are one of the greatest pilots in the intergalactic armada. Extra-dimensional alien beings have invaded the cosmos and are wreaking havoc on all peaceful planets in the federation. Most of the armada's ships have been destroyed by the hoards of hostile aliens. You are the armada's last hope. Good luck soldier!
Tags: , , , , ,
Earth Destroyer Game

Plays: 20086
Category: Adventure
You as an alien are ordered to seek and destroy the human race! Good luck.
Tags: , , , , , , , ,
Alien Invasion Game

Plays: 11682
Category: Action
You as an alien have invaded earth, Use your energy blast in order to take over the planet earth Aka your dinner, now get busy with it!
Tags: , , , , , , , ,
Battle of The Universe Game

Plays: 8470
Category: Adventure
Destroy the opposing aliens that have began destroying earth! Make sure they pay for their insulting attack!
Tags: , , , , , , , ,
Fist Pumpin Game

Plays: 8415
Category: Adventure
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!
Tags: , , , ,
Alien Invasion 2 Game

Plays: 8294
Category: Shooting
You are the greatest alien pilot in the galaxy. Your mission is to destroy all human military aircrafts to prepare for the grand invasion!
Tags: , , ,
Phoenix Fighter Game

Plays: 7524
Category: Action
You as a fire alien must take out the opposing aliens before they find the source of your planets power!
Tags: , , , , , , , ,
Defend The Tree Ship Game

Plays: 6743
Category: Shooting
Defend the treeship from the evil aliens!
Tags: , , , , , , , ,
Bugarach 2012 Game

Plays: 6501
Category: Shooting
Defend Earth from alien invaders in the town of Bugarach in 2012! For freedom! Unite Earthlings!
Tags: , , , , ,
Shadow Alien Invasion Game

Plays: 6347
Category: Action
Shadow alien invaders are coming for Earth. The military has selected from a group of top military test pilots to lead the first line of defense against the alien attack. You have been strapped into a prototype starfighter which has just been launched from Earth's rickety space station. Defend Earth or die trying!
Tags: , , ,
Lava Alien Assault Game

Plays: 5654
Category: Adventure
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.
Tags: , , , , , , , ,
Terra Defence League Game

Plays: 5093
Category: Shooting
You are part of an elite group of space cadets that must defend Terra from alien attacks!
Tags: , , , ,
Defend The World Game

Plays: 4037
Category: Shooting
Defend the world from alien invasion. It's down to you to save the world from the alien attack, work your way through the levels destroying alien ships and scoring as amny point as possible. Challenge your frineds to beat your high score to see who is the best defender of the world!
Tags: , , , , , , , , ,
Mech Wars 5000 Game

Plays: 3300
Category: Shooting
You have just landed on a desert planet to do a recon mission for the high command. Suddenly you are set upon by a horde of alien mechs. Defend yourself and escape to warn the high command of the danger. Don't let us down marine!
Tags:
dog fight Game

Plays: 3201
Category: Shooting
you must take out the alien ships invading are planet
Tags: , , ,
Omnitrix Unleashed Game

Plays: 28700
Category: Adventure Games
Now that the security guards have been hypnotized, you can use the Omnitrix and help Ben and his friends fight the remaining enemies!
alien fury Game

Plays: 14128
Category: Strategy Games
Defense game with a lot of stages, weapons,armors,special power , enemies and blood splaters. Excellent graphics
Zott Game

Plays: 12800
Category: Shooting Games
Zott is a fast paced top down space shooter. Make your way though six levels of aliens and increrasing difficulty. Reach the final battle and save the universe by defeating the empire of Zott. Collect blue powerups to increase you health, shields, weapons, and lives. Beat the highest score by collecting the most yellow powerups.
The Slob Game

Plays: 12766
Category: Adventure Games
The world is a psychedelic alien planet, run and jump skill game with personable alien plants, strange creatures and a slug like character.
Blue Knight Game

Plays: 9029
Category: Adventure Games
Explore an alien planet in a mission to clear it of enemy threats, ready for a new human colony. Pixel rich game with cool twists.

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | Next Page >>>

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.