Play free online space games, alien games, puzzle/ strategy games: Fun space games for PC, Mac desktop, laptop, notebook players, no download required. Top-rated arcade space...
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Free Alien & Space Games Online

Rating: 7.3/10 - 1262 votes

Fun free space & alien-themed games for children, teens & nostalgic grownups to play now on Learn4Good.com. From classic arcade space invaders games, mouse-click shooting action games to more challenging space strategy games. 

Space Games
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Moon Defender

Moon Defender: Squeezed into your tiny turret, you have to defend yourself and your planet against a barrage of huge asteroids flying around in this fast-paced shooting game. It is your duty to control the tiny turret in this one-player game and stop the asteroids from smashing into the ground. You have no time to spare. Protect humankind from the asteroids. Destroy them before they cause serious irreversible damage. 

Shoot as many of the asteriods out of the sky as fast as possible, do not let them hit the ground! You will score bonus points for shooting multiple asteriods at once with your explosive weaponery! This will test your fast hand on the mouse and reaction times! The faster your mouse agility and mouse clicking speed, the more success you will have!

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Sky Hunter 3D

In the far future, where technologically advanced weapons have become common, the once tame skies are now filled with fighter class spaceships. Sky Hunter 3D is an aggressive game of aerial combat fought with rocket-launching high-tech ships and fought within arenas of clear skies. Destroy all you get in your way, collecting coins as you do so to upgrade your ship or purchase new ones, and most importantly, have fun!

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Space Imposter

In Space Imposter, you are in command of a colorful little imposter looking to survive. Jump over obstacles, avoid enemies and always keep moving forward.

This game looks a lot like one of the most popular games in the world and that only makes it more enticing. Aside from its style, the controls are quick and responsive and the game is colorful and bright and fun to look at.

The game is fast-paced and can be a bit intense and some of the obstacles can be quite challenging and hard to overcome. You will attempt levels multiple times before you find success!

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Asteroid Crusher

Asteroid Crusher is an easy-to-understand and hard-to-master space-faring adventure game that feels both familiar and cutting edge. Use your spaceship to blast away the dangerous space debris that is floating through the sky and stay alive as long as you can.

The game has you stationed in the center of an interstellar storm, a mess of asteroids looking to do you damage. Rotate your guns around and fire endlessly to try and take them all out. But be careful, some of these asteroids can sneak up on you. And if you get hit, the damage is catastrophic.

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Alien Invaders io

Tired of shooting aliens? How about playing the aliens in Alien Invaders io

In this neat little game, you're going to be flying around in an alien saucer and gobbling up those hapless humans to grow as big as you possibly can. The more you beam up into the spaceship the faster you're going to get bigger and you want to get bigger because the other players are aiming to gobble you up too! It's an intense race to beam up as much as you can before your opponent does. But at first, you're only going to be able to drag up what you can actually fit inside the ship, the bigger you are the more you can gobble up. So start small before you tear into those cities!

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Asteroids Wave

The Earth needs you to defend it from a galactic threat, only not quite as you might imagine it. In Asteroids Wave, you will take charge of an alien ship that has made it its duty to defend the human homeworld and other plants from waves of incoming asteroids. Use the alien vessel to destroy the asteroids before they have a chance to hit any of the planets, ensuring not to hit other spaceships by accident. Successfully defend Earth to unlock two other plants to protect.

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Missile Command

Take a trip down memory lane with Atari Missile Command, a truly classic game that will evoke some strong nostalgic memories within you. Take on the role of the missile commander as you try to uphold your task of defending the city from incoming enemy aerial bombardments. Allow the city to be completely destroyed and it's game over. Atari Missile Command is playable for all ages, offering a game that is surprisingly challenging yet still enjoyable.

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Portal Of Doom: Undead Rising

Portal Of Doom: Undead Rising is a terrifying first-person shooter that tests your aim and your spine!

Something terrible has happened. You’ve received a distress signal and as a private security contractor, you now have the responsibility of checking it out. Upon your arrival at the space station, you can see that something has gone horribly wrong. People have been brutally killed by something that is taking over the station! Creatures start to appear out of portals! You have to take them out and reveal what has happened at the station, at any cost! Find keycards and more ammunition to navigate your way through the space station in your search for the truth. Will you make it out alive? Play through the thirty-three levels to find out!

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Space Rush

Space Rush is an exciting side scrolling action game from the makers of Among Us, where you need to collect coins and rescue your friends as you rush across the screen. Get stuck behind obstacles, fall between gaps or get blown up by bombs, and you’ll lose. Rescue your friends from cages, and you’ll have more characters in your entourage, which in turn will allow you to pass through certain obstacles in your way. Save up coins to buy cool upgrades such as higher jumping abilities!

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Space Conflict

Space Conflict is a fun shooting/flying game in which the user must navigate a spacecraft and keep it out of danger from all the astreroids flying about. One hit from one of these asteroids and it is game over! Luckily you do have weapons on your side. Fire your bullets at the asteroids and they will burst open with some coins inside. Do your best to collect as many of these coins as possible! Good luck, and stay safe out there Captain!

Stay alive for as long as possible and collect as many coins as you can to get a high score. This game requires exceptional control as the spacecraft is difficult to control on the PC. One slight error in movement and control and you are as good as dead! So be careful! You will also need good reactions to react to a quick danger coming your way. Make sure you are always on the ball!

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Kingdom Defence Alien Shooting

Kingdom Defence Alien Shooting is a fun, action-packed alien shooting game for young children where you have to aim and fire at the nasty aliens flying towards you! You wont have long to react so ensure you are fully focused and before you know it, you will have spent hours playing this excellent, addictive game!

The aim of this game is to survive each round and defend your kingdom! Collect the coins to spend on upgrades to help improve your fire power and your chances of success! You will need expert aiming skills for this as the aliens are quick to move and try and disrupt your easy target practice! They will make it difficult for you so you best get fired up and ready for an intense battle. Defeat each wave to progress onto the next! Enjoy!

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Desafio Gamer 2

Desafio Gamer 2 is a sequel to one of the internet's most frustrating challenges - a sideways based take on the popular flappy bird genre. Helped by your virtual assistant Viki (who you can choose to talk to you in either Spanish or English), your aim is to make your way as far as you can through the puzzling path, avoiding obstacles on the screen, as if you touch them you will lose and return to the main menu! The longer you survive, the more coins you will earn, which can be spent in-game to unlock new differently shaped avatars.

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Invace Spaders

Take to the endless skies of deep space in the classic arcade inspired Invace Spaders as you fly further and further into the unknown. Blast through and dodge the nearly endless number of alien ships as they stand in your way. The more you take down the more points you will get to later unlock other types of spaceships; use your blasters and powerups to do the job. But remember, all it takes is three of their shots to bring you down also, so play wisely not recklessly.

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Galaxy Warriors

Ready to take on a bunch of enemies in an interstellar battle? Strap in for Galaxy Warriors! This game will put you in the driver's seat of a space ship that is floating through space and avoiding missiles and firing a few of its own too.

This game is bright and loud and somewhat chaotic, just like a good shooting game should be!

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UFO Hoop Master 3D

UFO Hoop Master 3D: Ever dreamed of seeing a UFO? Well now you can fly one! This comes with the added excitement of flying the UFO through the hoops using rockets attached to either side of your UFO. Have you got the precision required, along with the technical ability and patience? Come and find out in UFO Hoop Master 3D!

Fly your UFO through the hoops for points, which you can collect and upgrade your UFO. This game is very challenging as you have to carefully use your jets to control height, direction and speed, all whilst aiming for a hoop to pass through! You must have effective keyboard skills to control the UFO to a high standard.

Use the arrows on the keyboard to control the jet. Left arrow blasts on the left side, and Right arrow blasts on the right side! Be careful as hitting the bottom will result in game over, and you must go through hoops to regenerate fuel! On mobile devices, press the left/right side of the screen to blast left/right respectively! Good luck!

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Newtonian Inversion

Newtonian Inversion is a funky physics based puzzle game, where you need to get to level markers by traversing unusual platforms in space! Gravity holds you down to each platform, but jumping between platforms manually or in a cannon can shift you to other platforms with different gravity… Work out the right routes to jump your way to the markers for the end of the level!

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Star Shooter

Relive the joy of those classical galactic arcade space shooters as you play Star Shooter! Play as a lone space fighter as you take on a whole enemy armada, filled with all kinds of deadly weapons ships. Your objective: shoot down as many enemy ships as you can to get the highest score! But remember, you only have three lives so playful carefully. Go forth Pilot and clear the skies in Star Shooter!

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Two Aliens Adventure

Follow the explorations of two inquisitive alien travelers as they make their way through a series of platform puzzles as they explore this new world! In Two Aliens Adventure, you will help and control both of the aliens as they jump over obstacles and collect shiny gems to create keys that they will need to unlock the next level. Only the catch is that you will have to control them simultaneously! Two Aliens Adventure is an addictive puzzle platform game that will leave you equally enthralled and disorientated.

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Cyber Racer Battles

Take part in cybernetic space races and witness the insanity of race ships that go faster than the speed of light. Cyber Racer Battles is a futuristic space racing game where you will compete against other cybernetically advanced pilots and race ships to see who is the fastest in the galaxy. You can even race against a friend in two-player mode. But speed isn’t the only thing that matters, as races in Cyber Racer Battles do not prohibit the use of deadly laser guns and explosive missiles. That said, Cyber Racer Battles is not just a racing game, try out missions mode for some exciting single-player missions where you will have to take out enemy convoys and sabotage their base camps. This game has little of everything for anyone who enjoys a good old space race!

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Minecaves Lost in Space

Help our adventurous hero as he navigates himself through dark monster-filled and partially flooded dungeons and caves in Minecaves Lost in Space. Dash through narrow corridors, dodging spikes and monsters as you do so, all in search of shiny gems and stars! Collect all gems and stars to unlock the door of each level and progress to the next; see if you can complete all 25 levels! Minecaves Lost in Space is appropriate for all ages and is sure to keep you entertained for many hours!

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King Soldiers

King Soldiers is a simple shooting game for teens and adults where you get to “take out” a wide range of fearsome opposition, using skill, cunning and lightning speed! You need to eliminate as many “nasties” as you can. This stylish shooting game is hours of non-stop, fast-paced action and excitement! 

The aim of the game is to eliminate all the enemies from their stands! This will test your aiming skills with the mouse, your hand eye coordination and probably most importantly, your ability to anticipate an enemies movement. As the levels progress and get more difficult, the enemies will be more difficult to hit so this is where you must use your inner soldier to be as accurate as you can and not be wasting ammunition.

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Space Battle

Space Battle is a fascinating space strategy game for kids, teens and adults where you have to defend our planet from incoming space attacks. This stunning physics-based game is captivating, demanding and offers endless hours of ambient fun! Have a go! See if you can unleash and control the magnificent power of the stars!  

The aim of the game is to survive and defend your planet for as long as possible! You will have to fend out multiple attacks all at the same time. You will need razor sharp aiming skills as you can only fire straight, so quick and nifty hand on the mouse will be useful too. You must react quickly to deal with all the attacks and above all else, be ruthless and aggressive in your attacks! 

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