Register to earn points!
Login
Register
Homepage
|
Subscribe
|
Member list
sci fi games
Play free sci fi games online!
Choose the
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!
Newest
|
Oldest
|
Top Rated
|
A-Z
|
Z-A
2020: The Beginning
Skill and strategy is the only way to win the war against the evil aliens. If you are looking for a mix between Master of Orion 2 and a space shooter you should look at this game.
2020: The Beginning
A.R.C.S
An endless battle waged by Megacorps, Robots, Aliens, Fanatics, and Mutants. Each faction trying to gain, and retain control of resources. Command a squad of mercenaries to protect your base.
A.R.C.S
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
Alien Invasion
Defend your base from an endless onslaught of alien invaders. You can build buildings, units, and call for support!
Alien Invasion
Alien Planet Escape
The spaceman have landed on an alien planet and he is on mission to collect samples from the planet. Help spaceman collect the samples and get to the base safely. Use the truck gun power to defeat all the monsters and use shield to protect from meteor attack.
Alien Planet Escape
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
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
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
Bomb Runner
A maze-riddled mix of minigolf and pinball set in deep space. Guide your bomb through 24 levels, improve your ship with upgrades, battle against epic bosses and save the galaxy!
Bomb Runner
Bots Strike
Real-Time Strategy game by Esabra Game Studio. Use your tactical and strategy skills to build a Robot armies and upgrade them to add more strength to fight. Defend your base and attack your enemy with your assault robot, sniper robot, missile robot, and rocket robot. Fight on desert, coast, forest, volcanic mountain, and the facility. The Clan War has begun!
Bots Strike
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
Central Alien Agency
As a special interplanetary agent your task is to prevent galactic conflict. Shoot to kill all alien life forms on sight.
Central Alien Agency
City Siege 4: Alien Siege
Get out there and kick some alien-plant butt! Arm yourself with advanced units and laser guns and take on the evil plants from this crazy world. After all they have valuable gems we need... Oh, and there are also some humans they abducted for you to save. The fourth installment of the City Siege franchise and the first to be set on another planet.
City Siege 4: Alien Siege
Colony Defenders TD
Build strong defenses and lead your troops to victory against Kron Corporation's invasion in this action-packed tower defense game.
Colony Defenders TD
Corporate Wars: The Second Wind
Take part in a new war on the planet PX-21. Build a towers, defend the base and win! Learn the history of PX-21 in 8 new bloodiest chapters. - Classic tower defence in sci-fi setting. - 8 addictive missions. - Lots of different towers. - Tons of enemies and FUN!
Corporate Wars: The Second Wind
Crusaders Truck
Sabotage the alien base from inside. Collect enough explosives located in different sectors of the base, to destroy the main power source of extraterrestrials.
Crusaders Truck
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
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
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
Defender Of The Galaxy
Shoot countless waves of incoming enemies and upgrade your spaceship to defeat the evil forces who threaten our galaxy. Save the Galaxy in this epic arcade shooter! 20 levels and bosses, 3 modes of difficulty, 3 challenge modes, dozens of enemies, upgrades, and pure action!
Defender Of The Galaxy
Desert Moon
Survive for 5 days battling hordes of hostile creatures on a distant planet. You'll gain new weapons and support as you battle through each day.
Desert Moon
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
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
Electric Armor
The world is under attack by a mysterious army of robots! A team of heroes has been assembled to infiltrate their base and stop them. This team is unnamed, but they all wear Electric Armor. You will choose your armor, and your partner's. Together you will blast your way to victory, or suffer world domination.
Electric Armor
Escape Machines
Awesome game with graphics and sound never seen before in a browser game. You are one of the last survivors since an incident happened. All of your produced war machines evolved on their own, made a breakout and captured the most of your friends.
Escape Machines
FreeFall Tournament
FreeFall Tournament is a fast-paced, space marines third person shooter (TPS). It's a free to play browser game made by Free Range Games in Unity 3D. Unique combat and balance separates this sci-fi action game from other FPS.
FreeFall Tournament
Fujitsu Defender
Tower defense game based on levelling your tower. Lots of towers, enemies, achievments and upgrades. Ballanced game with very wide range of game strategies.
Fujitsu Defender
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
Galactic Star Shooters
A Fast Pace Action packed Sci-Fi Shooter, putting you up against an armada of enemies
Galactic Star Shooters
Glean
Explore and mine minerals! Visit alien planets and mine for the resources you need to upgrade yourself and your ship. Features procedurally generated levels and an object-based crafting system for upgrades. Find 18 artifacts to unlock all story pieces and "finish" the game, or keep playing to get all the upgrades.
Glean
Gun Nomads
In a shattered America, you must survive raider onslaughts and prevent corporate domination of Arizona.
Gun Nomads
Gunfire Echoes
Gunfire Echoes is the first 3D shooter with tower defense elements and achievements! 6 Complete Levels with Epic Boss Battles! Save the world by destroying all the enemy soldiers.
Gunfire Echoes
Jet Velocity 2
3D futuristic action racing game. Blast your opponents to pieces.
Jet Velocity 2
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
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
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
Mars Colonies
Mars Colonies is a RTS game about building and protecting your own colonies on Mars. Hire skillful colonists, help them survive marsquakes, dust storms and other threats, and build the most successful colonies on Mars. With Science!
Mars Colonies
Mars Raider
Navigate a marslander through hostile enviroment of rocks and aliens.
Mars Raider
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
Mecha Arena
Management game in which your objective is to build, upgrade and training your mechanical robots. Hire the best rider for your machines and fight against other mechs.
Mecha Arena
1
2
Next »
Newest Games
Whack Your Boss Superhe…
Flappy Bird 2
Word Striptease
Nose Surgery
The Rainbow Poop
Stomach Surgery
Naughty Vacation
Naughty Babysitter 2
Tequila Zombies 3
Ear Surgery
Your favourites
Log-in to save favourites
Popular Games
Bubble Shooter 3
Happy Wheels
Pepsi Flipper
Sexy Puzzle
Babe Space
Super Mario Crossover
Sports Heads Football C…
Flash CHESS III
Spiderman Slot
Tank 2012