Make your way through the eery levels of this 3D first-person shooter game and kill all of the aliens. Alien X was inspired by Doom and uses different Doom soundbites!
In this game you are Ben Tennyson from Ben 10. You have to try to find and rescue the other aliens. Transform from Swampfire into Ultimate Swampfire and defeat all of the guards.
In this game you will have to make your way past all the traps by copying and pasting items like blocks and ladders throughout the levels.
Jump from one floating platform to the next with your space fish in this game. Take your time to pick the right moment to jump, because many of the platforms move quite fast.
Gustave has finally arrived in the village. Find the university and warn the people about the things you saw on the train. And catch that thief!
In this game you've been sent to a spaceship that has been attacked by aliens. Find your way around the ship and activate the doors. Shoot all the aliens you come across before they kill you.
Help the various Doctors solve puzzles and escape various dangerous situations in this Alpha version of this Doctor Who game.
Try to get into the alien base and shoot the robots and guards. Watch out for the canons and the jets with their powerful ammunition.
In this game you have to help Uncle Sam defend his farm against the alien invaders by shooting down their UFOs. You can choose whether you want to play this game in easy, medium, of difficult mode.
A great 3d game in which you have to find your way through a futuristic army base overrun by bloodthirsty aliens. Collect the ammo and find the right key cards, but watch out for the aliens. Shoot them before they get to you.
Choose all kinds of things to destroy the world with when the Mayan calendar completes its cycle in 2012. You can use all kinds of things. You start out only with stones, but you can work your way up to more destructive forces.
In this Riddle School adventure, you and your friend from the detention class have been kidnapped by aliens. Can you find a way out of your cell and out of wherever it is you are all held captive? Search for useful items that can help you escape!
Some scientist accidentally beamed a war signal into space. And the alines have answered it. Can you build enough cannons to stop them from invading the planet?
In this game you have to help the alien collect all the fuel for the rocket ship. You can dodge the obstacles and dangerous traps by fooling around with gravity.
Can you help the BE Gamer alien to be a fireman for the day? Find the way through the fire station, drive the fire truck, and put out the fire!
Become one of the Gamma Bros and fight off hordes of aliens in your spaceship. Shoot above, below, in front and behind you while avoiding alien spacecrafts, asteroids, and hostile fire. An addicting game.
Albert the Alien has crashed to the earth and is now locked up in a research facility. Use your point and click skills to help Albert escape the lab and find the way back home.
Shoot past all of the obstacles and try to hit all the aliens in every level. Can you hit them all with as few shots as possible?
Galaxy Commander is space shooter game! Aliens have taken over the galaxy, and one of your higher-ups is missing. You must defeat the enemy through choosing the right caliber of spacecraft at the right time. Whatever you do, don’t let them attack your base!
Roll through the levels with the slimy, sticky alien, Tio. Roll through all the openings and squeeze through to get to the door to the next level. Can you make your way through the whole space ship?
Lucas is a humanoid creature from the distant future. He has become bored with his ageless life and wants to travel back in time to connect with his human roots. Dodge the deadly Chovoks and pass the challenges the humans set for you.
Can you grab the three pieces of candy in every level with the strange little sticky monster? Make sure that you don't fall down or get trapped.
Help the little purple alien to find the way on a strange planet and collect all the diamonds. Use your laser to cut the blocks to make a path.
In this game the little creature is unhappy because it is small. Help it to feel bigger and feel better about itself by... collecting money? That's right! Can you collect the diamonds in all 30 levels?
Fly through space with the puppy and dodge the aliens and meteorites. Can you collect the bolts? Use the magnet to collect even more of them. Defeat the alien final boss at the end of the level!
Help the little aliens move the eyeball through the level and to the next one by getting it to the portal. The eyeball is quite delicate though, so don't drop it!
Something is not quite right at the fair. Can you help Harry the detective figure out what's going on? Use your camera to collect evidence.
Run and jump through the level to collect the orbs and find the portal. There will be some obstacles you can't pass on your own, so leave yourself a frozen clone and try again.
Watch out for the dangerous aliens and don't fall into the fire. Jump from one platform to the next with the astronaut and make it to the portal at the end of each level.
Rotate the level so that you can get all the stars. Sometimes you will have to collect bonus sweets too, and keys to open the magic portal.
Try to solve all the mini puzzles in this game. there are a few puzzles per round. Can you get through all of the rounds. The clock is running, so try to get a good score!
You've just escaped the Tooth Fairy Killer in the last terrifying chapter of this horror thriller. Now you have to deal with a new threat: Aliens!
The two aliens need to find their spaceship back. Can you help them get past all of the obstacles? You will have to work together to manage it.
In the future, aliens have wreaked havoc on earth and even turned docile livestock into monstrous killing machines. Gun down as many Aliens and other monsters as possible. Shoot everything you come across.
Invasion: Tactical Defence is set in the year 2134. The world is under alien attack. Can you fend off the attackers and save the world from alien domination?
Click away the blockades so that the aliens can roll into the wormholes. Can you click away the blocks in the right order. Look carefully.
Act as investigating lawyer and find out clues to the case of the abduction of Mayor Billy Bob by aliens. Was he really abducted, or is his story all an insurance scam?
In this game you play the extra-terrestrial in a UFO that kidnaps cows, pigs, sheep and people. Beam up as many animals and people as you can, but watch out for angry farmers and Area 51 security.
Roll the aliens through the level and try to reach the magic portal. Try to grab all the gems and the keys along the way. Don't fall down!
The aliens are attacking! They've built their base on earth, so you have to destroy it. Fight through the ages and become stronger as you go. The aliens will evolve too, so make sure to stay ahead!
In this brilliantly animated game you play a little alien with a big gun who comes to earth and is attacked by FBI agents. Kill the FBI and whatever else you come across, and watch out for the final bosses of the levels!
Test your reactions and skills in this nicely designed flying game. Manoeuvre your spaceship through vast halls and past hostile fire and shoot down adversaries with an array of weapons.
Fly your space ship through space. Try to conquer all the planets by beating the aliens armies. Grab the stars and the crystals to unlock and buy new weapons and extras.
Fly your UFO over town and direct your alien beams at the objects below. Yu can pull all kinds of silly alien pranks. Blow things up or mutate them with alien technology!
You have to repair the spaceship you crashed while fending off the angry alien robots in this game. Can you mine the crystals you need to carry out the repairs too?
The Scientific Android S.A.R.A. has landed on a strange planet. Help S.A.R.A. get out of trouble and collect data for research as you go in this fun point-and-click adventure.
Fly around in a spaceship with Ben tennyson from the Ben 10 cartoon series and shoot down all the aliens that are trying to attack you. They sometimes drop an upgrade icon. Try to grab those for more powerful fireblasts!
Defend the cities on the different planets by bringing in spaceships to defend them. For every enemy wave you get ot decide if you want to command the baqttle from afar of fight along.
Save the world from robot dogs and giant rats with guns in Alloy. Is your armour strong enough to resist all the enemy atttacks?
In this game you can create your own alien creatures. Everyone has their own idea of what an alien looks like. After you've made the alien you can even dress it up.
Make your way through the levels with Pico and his friends. Try to resist all the waves of evil creatures brought on by the Evil Faic.
The aliens are invading your farm and want to eat your brains. Make them walk a long route via the crop circles and put down all kinds of weaponry to deter and destroy them.
Try to make as much money as you can by breaking open the graves. But watch out for the ghost. It wants you to leave all the dead alone.
Run around with the two-man alien attack team. Defeat the aliens you meet along the way and find the robot mecha suit to defeat all your enemies.
You were on a mission to explore the purple planet and its inhabitants when you had an accident. Can you find the items you need to escape and make your way back home?
You've been stranded at a deep space outpost. Carry out the assignments you can find in your mission briefing. Shoot aliens and find objects in this dark space adventure game.
In this game you must arrange all the arrows to lead the aliens the right way. Make sure they don't go in the wrong direction or fall in Toon Shift.
In this game you can create your own alien. You can give him any appearance you want. Choose a nice colour, and give your alien creation a nice name.
Save the world from the aliens! In this game the earth is under attack. Shoot all of the UFOs with your tank and prevent the destruction of earth. Use your special weapons to shoot the UFOs.
Help the mutated hero escape the alien space station. Can you fight your way past all of the aliens and the zombies to get out of there?
Whack all of the aliens and make sure you don't get bitten. Also whack the bombs before they hit you.
Try to get as far as you can in this space ship. Dodge all the obstacles, the lasers, missile, and cables hanging down in your way. How far will you get?
Tetrishoot has got all you need rolled into one game: aliens, tetris, and shooting. You're tetris blocks can fire bullets to stop the alien invasion, but you will have to charge them up for the shots by making rows!
Beeku the Alien is left to clear up his owner's mess. Assist Beeku in his missions and apply his alien powers in this first person shooter with funny graphics.
Lead a team of cannon-like players on the footballs field in this futuristic version of football. In X-Hoc you score by shooting your ball into the opponent's goal.
Fly your space ship and shoot down all the buildings on Mars. You will have to shoot them all out of the way, because your ship is descending, flying lower and lower and closer to the buildings. Can you make it past the high buildings?
Buy and upgrade your troops and set out in your rocket to fly to distant alien planets and save the kidnapped humans. Can you shoot the aliens and release all the prisoners?
Direct the alien attack and knock everything over. Try to hit as much as you can. Hit the little puppets directly, or make the towers collapse under them.
Learning to control this space ship is a tricky feat to master, but once you do it's an addicting game. Shoot the alien spaceships and collect the weapons floating through space for extra firepower.
Try to shoot down the evil aliens in this Ben 10 game. Can you make it to the finish with Heatblast? You can shoot fire and throw bombs!
In this game you are a flesh-eating plant from outer space. Help this alien invasion along by gobbling up the people and growing your plant even bigger. Carry out the assignments to complete the levels.
You've crashed on a strange planet. You're almost immediately under attack, so fight back before they get you. Upgrade your skills and your weapons as you go.
Cover up the astronauts with any objects to keep them safe from the alien's killer beam. This game is a lot like the fun Cover Orange series. Can you figure out how to help the astronauts survive every level?
Planet earth has been taken over by aliens. Collect canisters for your gas mask, because of the poison gas in the air. Find the survivors and make your way to the bunker for shelter.
Are you good at maths? The aliens are coming, but keep a cool head. The only way to defeat them is by solving the sums floating over their heads! Can you do it?
You must explore Dr Rycrofts laboratory and discover what the evil scientist was up to. What happened here and why is everyone dead?
A slightly silly but highly addictive game. Shoot the killer aliens with your weapons. Some will be functional, others pretty goofy. Can you save up points for better upgrades?
Can you solve the mystery at the archeological digging site? You've found some strange rocks, and now people are falling ill. What's going on?
The hobo has been kidnapped by the aliens. Fight your way out of the space ship by hitting the aliens with all your unusual and gross combo attacks. Beat the clones as well!
In this fun and addicting 2D shooter you have to shoot down the alien space crafts before they invade earth. Defeat the boss at the end of every level.
Drive your Mars Buggy all over the surface of the planets Mars. Can you traverse the entire planet? Make sure you don't crash. Pick up some martians on the way!
In this point and click adventure aliens have brought you to the purple palace in order to retrieve the stolen magical stone on which their civilization depends. Can you get the stone back from the evil alien warlord?
Help Bubbleman the alien find his way through the maze and eat all of the eyeballs. The maze is full of obstacles and dangerous sharp things, so think carefully about which way you need to walk to complete the levels.
Fly around in a plane with Ben Tennyson from the Ben 10 TV series. Watch out for the evil aliens flying in front of you. They'll try to shoot you down. Dodge their shots and shoot back, but above all make sure they don't crash into you!
How smart are you? In this game you can try out all kinds of brain training puzzles. Can you work them all out and complete the game?
Your job has been taken over and ruined by space aliens. You quit! Now you just have to get out of the building full of deadly traps and alien guards. You're so enraged you can't stop running, so jump at all the right moments!
The killer alien monster form The Visitor is back. Can you trick and kill unsuspecting animals and humans in order to mutate into an even greater monster?
the humans are trying to attack your tower and steal your energy. Can you stop them with your laser guns and other weapons?
Send Gogy the alien flying through space. He wants to visit his girlfriend on another planet. Get him there by collecting useful upgrades.
Shoot all of the aliens so that the moon becomes safe to land on for your exploration crew. Use the money you make to upgrade your ship and its weapons so that you can survive later levels.
Walk around with your alien and shoot the bits of ground away to get to the green portal at the end. Can you make it without getting attacked by the earth creatures? Good luck!
Shoot all the creepy mummies coming at you and try to collect items as you go. Can you find your way through all of the rooms and vaults and find the treasure the mummies are protecting.
Run through the levels with Wigman and try to eat as much food as possible. Even more important are the coins, which you can use for upgrades. Collect the crystals that appear later in the levels to defeat the level boss.
Grab your gun and shoot the aliens while also charging up the ship's batteries to make a hyperjump. Can you survive the alien attack for long enough?
In this game you have to conquer all the planets and drive out the other alien forces. The different armies have different strengths. Figure out who to take out first!
Can you help Bobby the alien get past all of the obstacles and climb into his space ship? Use your sticky tentacles and a bit of momentum to swing yourself into the UFO.
You've been banished to a tiny planet. Find the way to get to the portals in each level and ultimately find your way back home.
You've landed on a strange planet, where a mysterious force known only as "The Power" is out to get you. Explore the levels and find out how to defeat this alien life-form.
Jump as the moving blocks come at you and land on top. Make sure you don't jump too late or too early or you'll be rammed out of the way so hard things won't end well for you.
Mommy Dragon-Alien, aka Dralien, has been kidnapped! Help the freshly-hatched baby alien go on a dangerous journey to find her back.
You're standing on a platform and you have to make sure that the aliens that are coming for you are shot dead. You can jump and duck to dodge them, but of course shooting them is easier.
In this game you play an alien invader. Snatch as much land as you can by cutting off big chunks of it with your alien ship. Make sure you and your line don't get hit while you are cutting the land.
Help Ben 10 catch the escaped alien criminal. Fly around in your space pod and dodge the alien's attacks. Shoot the missiles and the satellites. Can you catch up with the bad guy?
Shoot all of the monsters and zombies as soon as you come out of the elevator. Save as many hostages as you can for more EXP to collect upgrades.
Shoot all of the objects, monsters and mines and collect the coins in order to buy bigger and more powerful weapons for your ship.
A game in which you have to help Nickelodeon's Jimmy Neutron win the battle against the aliens. Make rows of three or more with the UFOs. You can use the mines and the lightsabres to get rid of the aliens too.
You are and alien in this game and you must fly around the earth in your UFO and abduct all of the human being. Use your tractor-beam to suck them up into your ship.
Try to destroy everyone on earth. In this game you're actually an alien in human disguise (well, sort of anyway). DShoot everyone and reach the doomsday device trigger in each country around the world.
Shoot all the items indicated. Don't hit anything else or it won't count. Your cannon is located on earth, which you have to defend.
Shoot down everything you encounter or it will come at you with lots of lasers and fire. Defeat the end boss at the end of every level in your space ship.
Try to chomp off as much of the coloured field as you can. There's a certain percentage you must cut off per level. Can you do it without getting hit by either the shark or the UFO.
Because of the events that took place in Life Ark 3, the universe is now about to be sucked up into a gigantic black hole. Travel through space and find a way to escape this fate by clicking on the objects and finding out how they can be used.
Pick up the aliens with your space ship and put them back down at their destination. While on your way you do have to make sure you don't crash into too many things, or your ship will break down.
Can you shoot all the aliens that are coming at you? Make sure you also grab some bonus points by jumping around. Keep aiming well to shoot the aliens and stay alive.
Find Duncan's trousers back. The aliens have stolen them all and you want them back. Kick the aliens you come across on the way back to where they belong!
Jump from platform to platform to get down to the bottom of the level. Don't fall down. You don't know what you'll fall onto or how far you'll fall down. Aim for the platforms.
In this colourful game you have to defend the earth against the alien invaders. Shoot them all and the UFO that keeps dropping off more of them!
Can you help Spaceman Bruno escape the space base so he can travel to a new planet and find some precious space diamonds? Find useful objects and figure out how to use them to get past the obstacles.
In this game you are an alien assassin and you need to find a new ID in order to make your way back to the city. Can you find the mysterious Mr Personality who can help you on your way? Look around, pick up items and figure out how to use them.
Help the alien collect all the candy and find the way to his girlfriend. Sometimes it looks like you won't be able to reach the right platforms, but no worries! You can flip the level. Look carefully and move to the right spot to flip it round.
Choose the ships to deploy against the player. Make the game challenging but manageable so that the player's fun level remains high.
The couple is on a journey through space. Their romantic holiday is not without danger. Can you help them get through every level. You'll have to fight aliens, dodge meteorites, and play platform adventure levels. Something new at each turn in this fun and diverse game.
Chase down the alien robots. Shoot them for coins and gems, which you can use to purchase upgrades and power-ups. Can you dodge all the obstacles and enemies and defeat the end boss?
Can you find the way home on this strange planet? There are many different ways in which the game can end. Explore carefully and find all of the alternative endings to this funny space adventure.
Can you make it to the end of the level with this strange little alien creature? Jump from one platform to the next and make sure you don't fall short or jump too far. Don't fall down!
Help the robot collect all the objects. Use the fast-growing plants to gain access to parts of the level that are hard to get to.
Help the hippie get past all of the blocks and other obstacles. Move them out of the way. Can you get her to the iron plate so the alien can come pick her up in his UFO?
The killer alien spiders are attacking. Can you protect your unit? Dodge the attackers and shoot them before they corner and kill you!
Jump on top of all the aliens to defeat them. Can you keep the aliens out of your tree hut? Save up points for handy upgrades!
Someone pushed a beam gun into your arms and them gets attacked by a huge alien. It's destroying your house! No time to explain, just start firing that gun!
The aliens have had to make a crash landing on a strange planet. Roll along and use your special abilities. Collect the keys and open the portals.
Teleport the Space Pets back home in as few turns as possible. Make sure you teleport the cats and dogs separately though. They don't travel well together.
Make your way through the levels. Dodge the monsters and shoot them with your laser gun. You can breathe and shoot underwater too.
Shoot the purple jelly at the aliens. They love to eat it. Can you help the astronauts feed all the aliens on the space ship?
Fly through the level with the little blue alien and dodge the walls and other obstacles. How far will you get?
Shoot your sheep through space with the cannon and try to knock over all the buildings and the aliens. Can you get rid of all of them?
Crazy Dad is sick and tired of the candy shop in town. Ideally he wants to shop gone, so he comes up with a crazy plan to make the shop shut down. Can you help him gather the items he needs?
Volcania is the strange plante of the Cellheads, where there's a new trick to completing every level. Can you figure them all out and find out where all the other Cellheads have gone?
Aliens have attacked the world with a sort of insanity gas. Can you help George stop the aliens and save all of his friends?
Travel through space and defeat all the alien and space pirate armies. You can upgrade your ship with bigger and better weapons and shields. Collect resources as you go.
Killer crabs from outer space are attacking the humans. Jump from one human host to the next and try to get as far as you can. Score point and upgrade your deadly space crab.
Can you play away all the slimes in this game? Rotate the level to drop the slimes into groups and click away colour combinations of three of more. Can you click away all of the slimes?
Fly around in your space ship and carry out various missions to protect the space base. Can you shoot down all your opponents?
In this great MMORPG game set in outer space you have to save mankind from extinction at the hands of a deadly alien menace. Join one of the three clans and send your space ships out to save humanity!
Help the bears protect the earth by knocking the aliens into the deadly pockets where they will be shot, incinerated, or otherwise destroyed. Just make sure your bears don't slip into the pockets too!
Aliens have landed on top of the school building. Run through the school and shoot the aliens. Make sure they don't touch you. They're poisonous and if they touch you you'll die instantly!
Fire your rockets to protect the earth. Try to shoot down all the UFOs before they get too close. Make sure you don't miss or you'll lose the game!
Can\'t get enough of Sci-Fi and aliens?
If you like Sci-Fi and aliens, this is the place for you! Play your favourite online alien games here. Play at being a space alien and abduct humans from their homes, or defend the earth against invading alien forces. It\'s up to you!
We like these games:Alien X, Ben 10: Ultimate Alien Rescue, Copy Shot, Alien Jump, Mesiria 3, Dark Base, Doctor Who: Brilliant Game, Battle for Planet Zogran, Uncle Sam, Alien Slayer 3D