Online Game Boss - Alien Games

Online Game Boss has a great selection of Alien Games. If you want to play Alien Games, this is the place to be.

All Alien Games :

Invader This addictive shooting game with nice graphics allows you to play in two different challenging modes. Your aim is to stay alive by controlling the UFO and shoot as many enemies as possible. In both the modes, you will face strong resistance by enemy cannons, choppers and other machines, so be careful and dont give them any chance to shoot at you. Good Luck... Play Invader Rating: 10/10

Sharp Shooter Your mission is shoot and kill as many monsters as you can within the allocated time. Play Sharp Shooter Rating: 10/10

Doom Runner This is a revolutionary space shooting game with a lot of thrill and powerful weapons that give you massive strength to shoot down the alien ships attacking from all directions. You have bullets, homing missiles, cluster bombs etc to defend your space ship. Remember to avoid the missiles fired at you and collect the power-ups scattered all over, to enhance your fighting abilities. The number of enemies keeps increasing as the game progresses. Also don't forget to keep an eye on your health meter. Play Doom Runner Rating: 10/10

Chicken Defense Your mission is to shoot everything that comes from above. You will need both speed and agility to survive. The difficulty of the levels gradually increases as you progress further in the game. Your ship's shield integrity is shown on the right corner of the screen, once it gets empty, the ship will take more damage...Good Luck Commander! Play Chicken Defense Rating: 10/10

My! Invasion To play the game you need to shoot down the UFOs by ricocheting your shots of the walls. The game gets harder each level and you only have one life for the whole game, so make sure that the Earths shield is not completely drained or it's game over. There are Shield boosts to pick up which will help you out throughout the game. Be careful when shooting as your shots will be destroyed if you hit any force fields. You do have some special weapons to pick up through the game, these will pass through force fields once activated (after they've been deployed.) Also be careful not to waste your special weapons in the Thunder & Lightning levels. They will be destroyed if they are not activated before being hit by lightning. Play My! Invasion Rating: 10/10

Space Dude While returning back to earth from a space mission, you had to do an emergency landing on an alien planet, due to a technical failure in the engine. This distant planet is inhabited by poisonous aliens who love human meat. Jump over the metal beams, shoot down the aliens with your pulse gun and reach the exit door to proceed to the next level. Play Space Dude Rating: 10/10

Warthog Launch The object of the game is to use grenades wisely in order to launch your warthog vehicle up in the air and destroy the enemies floating above. Position your warthog vehicle then place the appropriate amount of grenades in the right position and launch. Play Warthog Launch Rating: 10/10

Alien Hunter The goal is to destroy the source of the aliens by bombing it. Try to get more money by destroying these aliens and their base. Pick up powerups and buy new guns. Strategy would be to try and kill lots of aliens to gets funds for your guns. Destroy their base if you want to end the level. Have Fun! Play Alien Hunter Rating: 10/10

Space Voyage - Invasion Defend our planet from invading Aliens! Shoot’em all with tower defence elements. - 25 Levels; - Main Gun with 10 upgrades; - 5 Weapons with 10 upgrades; - Alien Laboratory; - Final Boss. Play Space Voyage - Invasion Rating: 10/10

Alien SOS An alien has been blasted off his home planet and crash landed on a strange planet called earth. The only thing the alien has is a particle gun. You must guide him to his ship by going through 40 levels. You start off with one gun mode evaporate. To get back you need to upgrade your gun and find different gun modes to pass the levels. Using the gun try to get to the each levels portal by evaporating and rebuilding blocks of the level. Includes a level editor! Play Alien SOS Rating: 10/10

Vermin Invasion The objective of the game is to reach the end of each level while collecting weapons, ammunition, health packs and extra points. These items are scattered all around each level so be keen on finding them. Try to rid each area of alien scum. Play Vermin Invasion Rating: 10/10

Alien Showdown The ugly aliens suffered a humiliating defeat at the hands of human beings in their last encounter but the threat of their possible retaliation cannot be sidelined. The human army has decided to eliminate these evil creatures for good to establish everlasting peace on the earth. Play Alien Showdown Rating: 10/10

Combat Instinct 2 This is a addictive first person shooting game with a nice story line and goals. The story begins: You've Crash landed on an Alien Planet, your mission is to simply survive. Shoot anything that moves and shoots back at you....get to your ship, pick up your team and go kill some Aliens. Play Combat Instinct 2 Rating: 10/10

Planet Racer Every racer in the universe dreams about becoming the next king. One day you hope to challenge and beat the king in a one on one race. Then you will win the crown, the king mobile and the king's moon. To reach your goal you will have to build a reputation, win money and modify your car. To build a reputation you need to win races against numerous other racers from around the universe. Have Fun! Play Planet Racer Rating: 10/10

School Invaders The objective of the game is to gather your schoolmates and attempt to end the invasion. Search the corridors of the school for clues and powerups that will help you through the game. Try to walk slowly because the aliens are invisible at first. Try to just spray your bullets. Have Fun! Play School Invaders Rating: 10/10

Uncle Sam The aim of this game is to help Uncle Sam rescue his cows from the aliens. Shoot the homing missiles at the UFOs and destroy the alien fleet. As the aliens sense their defeat they will be sending their powerful commanders to fight with you. Be brave and cautious and kill them to move a step closer to your goal. Collect the stars to get bonus points and hearts for one-ups. Play Uncle Sam Rating: 10/10

Alien Hominid Alien Hominid is a fast-paced 2D side-scroller shooting game. The idea of the game involves you to run, jump and shoot the FBI men across the globe in pursuit of the alien's coveted UFO. This game looks to be a truly original title with outstanding hand drawn cell-shaded graphics and animation. Play Alien Hominid Rating: 10/10

Gummy War Humans have disrupted the peace of a little pink planet with their toxic waste. Now these beings are seeking revenge. Protect our planet from the incoming pink gummy aliens and save our pitiful human lives. Play Gummy War Rating: 10/10

Brink Of Alienation After being released from a 5 year post serving the United ESS Army on planet Mars, you were returning back home when suddenly you received a signal from an unknown frequency. That message warned "YOUR GALAXY IS OURS. RESIST AND YOU WILL PERISH". Play Brink Of Alienation Rating: 10/10

Star Racer You have to drive your space mobile on different tracks and try to defeat all your opponents. You have 3 different space mobiles to choose from and four different racing circuits on distant planets. Clear the checkpoints before the time runs out. Avoid crashing your space mobile or you will lose speed. Go ahead and win all the tracks... Play Star Racer Rating: 10/10

Alien Hominid Alien Hominid is a fast-paced 2D side-scroller shooting game. The idea of the game involves you to run, jump and shoot the FBI men across the globe in pursuit of the alien's coveted UFO. This game looks to be a truly original title with outstanding hand drawn cell-shaded graphics and animation. Play Alien Hominid Rating: 10/10

Rescufo Play this awesome flash game and rescue little green men and women by controlling your spaceship through various obstacles to clear all the exciting levels. To clear a stage, you need to collect all the coins and keys to open the trap doors and pick the little green men or women, so you can rescue them. Once you get all the stuff, reach the base and land your ship successfully to advance in the next level. Play Rescufo Rating: 10/10

Doom Runner This is a revolutionary space shooting game with a lot of thrill and powerful weapons that give you massive strength to shoot down the alien ships attacking from all directions. You have bullets, homing missiles, cluster bombs etc to defend your space ship. Remember to avoid the missiles fired at you and collect the power-ups scattered all over, to enhance your fighting abilities. The number of enemies keeps increasing as the game progresses. Also don't forget to keep an eye on your health meter. Play Doom Runner Rating: 10/10

Go Green Go This is an exciting flash game, in which your goal is to land the UFO accurately on the destination platform in every level after passing through dangerous rocky caves. After every level you will receive a password, so you don't need to play previous levels again and again. Have Fun! Play Go Green Go Rating: 10/10

Gummy War Humans have disrupted the peace of a little pink planet with their toxic waste. Now these beings are seeking revenge. Protect our planet from the incoming pink gummy aliens and save our pitiful human lives. Play Gummy War Rating: 10/10

The Green Your objective in this fast paced action / fighting game set in space is to kill as many enemies as you can before they will kill you. Have Fun! Play The Green Rating: 10/10

Space Dude While returning back to earth from a space mission, you had to do an emergency landing on an alien planet, due to a technical failure in the engine. This distant planet is inhabited by poisonous aliens who love human meat. Jump over the metal beams, shoot down the aliens with your pulse gun and reach the exit door to proceed to the next level. Play Space Dude Rating: 10/10

Sharp Shooter Your mission is shoot and kill as many monsters as you can within the allocated time. Play Sharp Shooter Rating: 10/10