Build Free Online Games - Play over 40,000 games online including online games , internet games , flash games , and all your own free games.
  Cupids Archery Range A Free Online Game
robot platformer A Free Online Game
robot platformer
airstrike1 A Free Online Game
airstrike1
Pwr friend group: Sonic A Free Online Game
Pwr friend group: Sonic
Rainbow Alien Attack of Doom A Free Online Game
Rainbow Alien Attack of Doom
Pikachu - World at War A Free Online Game
Pikachu - World at War
Alien Kill Zone A Free Online Game
Alien Kill Zone

Online Aliens Games
60 Seconds Invasion Game

Plays: 4285
Category: Shooting Games
Challenging space invaders with a 60 second limit.
Special Ops: Alien Encounter Game

Plays: 4284
Category: Shooting Games
You're a special forces commando. A killing machine. The news is everywhere. Aliens are invading earth. It's time to send them back from where they came, in this fast-paced action-packed shooter that will keep you clicking and clicking!
Alien Marauder Game

Plays: 4261
Category: Action Games
Play from a choice of two alien marauders, Brimstone or virago and battle through multiple levels to find their human informer, Charlie, only to discover a darker secret. Reveal a sci-fi story of two battle- hardened aliens, who fight against the evils of humanity, that wish to use their own planets' advance technology to destroy their kind! Traverse across terrain filled with challenging obstacles with in-depth shooting system that allows strategy and approach to enemies by jumping to higher or lower platforms. Discover a vast array of weapons Handgun, Laser gun, Rifles, Revolver, Grenades, Rocket Launchers, and RPGs
Asteroids - Galactic Mining Corp Game

Plays: 4254
Category: Action Games
This game is a new take on the arcade classic "Asteroids", in this remake you work for a deep space mining company and it's your job to collect as much gold as you can, beware of the vigilante aliens that will take any opportunity to swipe your loot!
Beat the Space Game

Plays: 4231
Category: BoardGame Games
Are you ready to beat the space? You can try! The aliens are trying to send you a message, but... can you decrypt to understand?
Asteroid Defense 3 Game

Plays: 4218
Category: Action Games
You have to defend your asteroid from alien attacks... you are in the last defended base of the humans... Don't let the aliens pass your base!!!
They Came From Space Game

Plays: 4215
Category: Shooting Games
They came from space ... when no one was looking. No one that is except for you. While all of the Earth's military were wiped out in a sneak attack you managed to scramble into the last tank and got ready to deal the alien scum some payback. It's time to kick those interstellar punks all the way back to Uranus and beyond. But don't go all trigger happy on us: you need to make your shots count and use your power ups to maximum effect and pick up the ammo they drop. TIP: try and bag more than one of these critters at a time to get multi-kills and more points! Good luck. We're counting on you!
UFOMania 2. Neon Galaxy Game

Plays: 4211
Category: Action Games
Abduct all humans! Save the race! In UFOMania you have to abduct all the humans from planets in danger to move them to more secure places.
Space Game Game

Plays: 4209
Category: Action Games
The astronaut is trying to beat all of the aliens. Can you help him? Be careful not to run out of air!
Aliens Must Die : The Jupiter Wars Game

Plays: 4207
Category: Shooting Games
Coding by Longanimals, Artwork by robotJAM Take control of the last starship and defeat endless rounds of alien bad guys, helped out by your co pilot annie.
SpaceSurvivors Game

Plays: 4205
Category: Action Games
Did you ever dream of appear in the zero gravity? It is partly physic puzzle and partly action. The spaceship was crashed and now you are supposed to evacuate spacemen avoiding different dangers, such as swamping holes, hungry aliens, sharp spikes, blowing fans, etc. There are 20 various cosmic modules (levels) expecting you. Also, there are 2 difficulty modes oriented for either fans of casual or hardcore games. You can always choose the difficulty mode in the settings menu. Are you cool enough to collect all the stars on each level? (However, it is enough to lead every spaceman to the exit to continue.) Good luck!
Destroyer of Worlds Game

Plays: 4198
Category: Shooting Games
It's time for the space invaders to have their revenge. The only thing standing in their way is some primitive human defenses. With three different endings based on time!
Ben 10 Jump Game

Plays: 4198
Category: Action Games
You must catch omnitrix watches. Click on Ben until the rays of light start spinning to prepare for flight...
Iron Wrath Game

Plays: 4197
Category: Action Games
It is a small game about the tank, which fight with different kinds of aliens. Each level has a different tactics for wins. Use arrow keys to move. Use mouse for aiming and left mouse button to shoot.
TomatoWars Game

Plays: 4185
Category: Action Games
TomatoWars is a funny shooter/defense game where your objective is to blow away all the tomatoes before they eat you!. 15 levels of explosive madness!
Ninja vs Aliens Game

Plays: 4184
Category: BoardGame Games
You are a Ninja in a very strange place, there are full of aliens! Can you survive the restless creatures attack?
Super Math Adventure Game

Plays: 4171
Category: Action Games
While taking a walk across his farm, Mr Moomoo was surprised to find that he was being attacked by aliens. As luck would have it, he found that using his math enabled him to defeat the aliens and make the farm a safe place once more. Before the farm is safe, he must first take a journey on top of a speeding train and space rocket to visit the alien's home planet! Nobody is sure exactly how he got off the farm though.... Enjoy 5 levels of arcade math game action that kids will enjoy whilst practising adding, subtraction and times tables. Features: * Defeat the baddies by answering simple math questions. * Choose between addition, subtraction and multiplication. * Normal mode - just answer the questions. * Arcade mode - answer the questions and control Mr Moomoo. Collect bonuses for more points. * Cartoon graphics keep the kids interested while learning.
Void Gunner Game

Plays: 4170
Category: Fighting Games
Fight off attacking pirates and aliens, choose your weapon and shield upgrades as you ship cargo from planet to planet in this slick and fast space shootemup!
Puzzle Fortress Game

Plays: 4165
Category: Action Games
Puzzle Fortress is an action-puzzle/maze game. Murakan aliens have kidnapped an important senator of the Galactic Congress. You must infiltrate the aptly named Puzzle Fortress, rescue the dignitary, and destroy the fortress.
Space Invaders Game

Plays: 4156
Category: Action Games
Survive all of the aliens

<<< Previous Page | 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 | Next Page >>>

Tips: