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sci fi games
Play free sci fi games online!
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sci fi game
you want to play from the list below. You can sort the games alphabetically, by date or by rating. Almost all of our sci fi games are playable on full screen. Have fun!
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Tripod Attack
Humanity is a virus that occupied this poor planet. They replicate uncontrollably and eventually destroy their environment. Awesome action game inspired by The War of the Worlds. It's time to clean up!
Tripod Attack
Earth Tower Defense
An exciting tower defense featuring lots of enemies and 30 levels. With special powers to unlock and the ability to submit your score, this is a game with a ton of content. Earth Tower Defense is simple, addicting, and CHALLENGING. Make Earth Tower Defense your next favorite tower defense game.
Earth Tower Defense
Dark Orbit
Free to play space shooter online. In the game DarkOrbit, which has achieved cult status among space games, millions of players roam the galaxies with their guns armed and ready for action. Enlist today and become a space pilot.
Dark Orbit
Battlestar Galactica Online
Fight in the epic battle between good and evil. Brave battle alone or with other pilots. Experience cooperative MMO strategy gameplay like you never have before: Choose between PvP or PvE modes, customize your own game character and fight in authentic-looking spaceships from the TV show Battlestar Galactica.
Battlestar Galactica Online
Paper Warfare
The planet earth is under attack. Fortunately, we have these advance battle suit to fight back. Engage and destroy incoming alien transports and shutdown their mothership. Give them hell.
Paper Warfare
Cyberoids
Cyberoids is a tower defense style game moves a player in year 2135, in the middle of conflict between Alliance - a joined forces of human race fights against extraterrestrial species known as Cyberoids. The player finds himself on a small planet lost in space. The war factory on this planet is one of the biggest factories the Alliance has to produce weapons. Obviously, the location of Alpha planet is no more a secret for the Cyberoids. You need to protect it at all costs until the Alliance fleet arrives. The base has a workshop which can produce various defense systems to guard the area. Your aim is to prevent any infiltration by enemy forces until reinforcements arrive.
Cyberoids
Gun Nomads
In a shattered America, you must survive raider onslaughts and prevent corporate domination of Arizona.
Gun Nomads
Galactic Star Shooters
A Fast Pace Action packed Sci-Fi Shooter, putting you up against an armada of enemies
Galactic Star Shooters
Lost Space Station
In the space has been found abandoned space station, which gives a signal of distress. To rescue the inhabitants of the station is sent to rescue expedition, which includes you. The task of the expedition - rescue the hostages station. In the game you will meet 5 types (15 modifications) enemy technology, which has its own set of unique characteristics. To combat them, you can use 4 types (8 modifications) weapons. This game consists of 15 exciting levels.
Lost Space Station
RepliCat
Avoid your past with your space ship while Time and Space are linked together!
RepliCat
Robots and Aliens: Reactor Twist 3D
Shoot the Robots before they destroy the Alien's reactor core - fast-paced gameplay in real-time 3D!
Robots and Aliens: Reactor Twist 3D
The Space Game
Defend your space mining outpost from attack by pirates! Use tactical lasers and missile structures to defend your operation and repair drones to keep you in the fight for longer but without a well designed energy network your base could fall to one of the 6 enemy fleets: fighters, missile corvettes, swarmers, o-rings, mothership carriers and kamikaze. Built in tutorials and an atmospheric sound-track bring this game to life for seasoned RTS players as well as those new to the genre.
The Space Game
Mecha Martyr
An intense mecha shooter game, with lot of upgrades and weapons to use against the army trying to stop you. Use explosives, pulse grenades, plasma bombs and your machine gun turret to destroy everything in your way.
Mecha Martyr
Mytheria
Mytheria is a sci-fi card game, where you battle your opponents, win challenges, and build your own decks.
Mytheria
Mars Raider
Navigate a marslander through hostile enviroment of rocks and aliens.
Mars Raider
Soul Core
A futuristic point and click adventure. The sequal to the Core escape games, this new adventure brings the whole story together, revealing the truth behind the core project, and that it is up to you to save the planet!
Soul Core
Galactic Rebellion
With the old republic gone, and outcry of resistance begins to spread across the galaxy in protest to the new Empire's tyranny. Lead rebel forces to free the galaxy from the tyranny. Defense game with strategy elements. Build and upgrade turrets, power stations, refineries, use air raids to defend command center from attacking enemy forces.
Galactic Rebellion
Alien Invasion
Defend your base from an endless onslaught of alien invaders. You can build buildings, units, and call for support!
Alien Invasion
Tech Wars
In Tech Wars you will have to fight against Towers throwing you all kind of blazing damage like radioactive mines, suicidal minions or controlled missiles. In a future dominated by machines, you will be alone to fight against this technology in a battleground where waves of death spawning from powerful towers will show through the ground to destroy you battleship.
Tech Wars
Alien Hill
Alien Hill is a top down shooter. Alien Hill is based on a deserted planet waiting to be colonized. You play the role of a mercenary (Jack), who is assigned to the planet to hold a key position for planetary terra-forming.
Alien Hill
Battle Mechs
The year is 2199, and the world's largest entertainment sport is 'Mech Wars'. You are a new mech pilot, looking to etch your name in the record books. Don't be shy! Strap on your nano-suit, and get in the cockpit! Opportunity waits for no one!
Battle Mechs
Omega Tower Defence 2
Build lasers, artillery, missiles, slow fields, shock generators and blade launchers to stop wave after wave of creeps, now with 4 maps, and 5 difficulty levels.
Omega Tower Defence 2
The Last Canopy
In this unique shooter, a baby bird falls from the last standing tree on Earth. Battle against the human race by absorbing their attacks to make them your own, all while carrying the poor birdie back to her nest.
The Last Canopy
Maxx The Robot
Maxx The Robot is an action packed shooting game. Your objective is to Shoot the enemies and find your exit path to unlock the next level. Save your game at save point in each level. Upgrade your weapons after every level.
Maxx The Robot
League Of Chaos
The sky has been dark ever since the war began. Its time for mankind to end the war before the war puts an end to mankind. League Of Chaos is a sideview strategy game aliek Epic war, with a controllable and progressive hero character and sci-fi theme.
League Of Chaos
Carveola Incident
Strategically place your droids along the map to defend against waves of alien attacks. Don't let the aliens reach your barricade or they'll destroy your turrets. Kill the massive flying alien to prevent regeneration and end each level. Shoot first—then ask questions! Who can you trust in this outerspace fight to the finish?
Carveola Incident
Neon Race 2
Race at super speeds through futuristic landscapes. More speed, more upgrades, more unlocks, more TURBO!
Neon Race 2
Super Defence
War has begun in Space. Enemy ships attacked the Space Station, It is extremely hard job to protect the Station from enemies. Armies are determined to fight back. Super Shooter has come to bring back the glory for diffender, by doing devastating destruction in battlefield. Experience the epic nature of war by using deadly weapons and its excellent upgrades. Declare war with Super Shooter and watch the devastating magic.
Super Defence
Orbital Onslaught
A real time/turn based, tactical-strategy game. Lead your mercenary forces against fugitive criminals in a sector, and fight for fame and fortune! Bring the fugitives to justice using a wide variety of unique mercenaries, including soldiers, turrets, gunships and more!
Orbital Onslaught
Effing Machines
Save your city from legions of dangerous machines, piloting your own mech suit. Hold back the machines long enough for the EMP to be built and save the day.
Effing Machines
Dead Metal
The game features over 30 unique enemy types across 5 races as well as 10 avatar ships with extremely varied weapons. The last mission is a survival mission, see how long you can last as hordes of enemy capital ships come down upon you and get the best score possible. The game saves after each mission completed. Dead Metal is a top down shooter set in space, built off our powerful BT3 game engine. In fact, summing it up as Bubble Tanks in space with Star Forge art would be a pretty good way to describe it. The game was a result of just tinkering with the game engine and seeing what we could do. Once we were flying around launching missiles and blowing stuff up, we agreed- this is awesome.
Dead Metal
Legends of Kong
An action platformer RPG from Nerdook! Lead your party across a randomly generated city, and play the way you want! You can be violent, stealthy, or anything in between. With 96 upgrades, 36 weapons, and a variety of characters, can you save the city from a mysterious villain?
Legends of Kong
Alien Robots
As a tribute to robot fans, we are proudly presents a newest video slot, Alien Robots. This game has a beautiful and playful space age theme with vivid graphics and a Free Spins mode featuring an Expanded Sticky Wild with re-spin. Through these and the game’s stunning symbol animations, players will be immersed in the wonderful world of robots in which they can take small steps toward 30 bet lines or even take a giant leap to 243 bet ways. A fun look, exciting features, and lots of chances to win – Alien Robots has everything for a stellar slot experience.
Alien Robots
Pipe Riders
Let's see how deep the rabbit-hole goes... Race your Tron-style bike down the holographic pipe, avoiding all obstacles...except green cubes. These recharge your shield or, if it's already 100%, give you a time bonus!
Pipe Riders
Terramek
Terracom have a problem. Experimental war-droids built using ancient alien bio-technology have gotten out of hand, now Terracom's secret underground labs have been overrun by hostile machines. There is a solution: Developed by a rival Terracom military-products department, the Terramek is a state-of-the-art turreted bipedal war machine with interchangable weapon systems.
Terramek
Prizma Puzzle Challenges
Prizma Puzzle Challenges is a new tile-based puzzler with the smooth and addicting gameplay, the fabulously 3D rendered graphics and excellent music. Try to complete all 8 zones with 40 levels and a lot of achievements!
Prizma Puzzle Challenges
Jet Velocity 2
3D futuristic action racing game. Blast your opponents to pieces.
Jet Velocity 2
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