Play sci games online

Play 166 free sci games online.

  • Advertisment
  • Gun Nomads game Gun Nomads Rated 1/5 based on 1 user ratings In an America that's no longer united, you must survive raider onslaughts and prevent corporate domination of Arizona.
  • Galaxy Wars Retro game Galaxy Wars Retro Rated 5/5 based on 1 user ratings A retro game based on classic vertical shooters.
  • Sci-Fi geek dress up game Sci-Fi geek dress up Rated 5/5 based on 1 user ratings Dress up the Sci-Fi geek girl with clothes and accessories from several famous Sci-Fi shows and games...
  • Earth Defender Extreme Supreme game Earth Defender Extreme Supreme "One for all, all for nothing." Earth has entered an enormous asteroid belt and mankind is facing extiction! It's up to Frank and his trusty Earth Def...
  • Robots and Aliens: Reactor Twist 3D game Robots and Aliens: Reactor Twist 3D Shoot the Robots before they destroy the Alien's reactor core - fast-paced gameplay in real-time 3D!
  • Steampunk Killer game Steampunk Killer Rated 1/5 based on 1 user ratings First person shooter game in Steampunk world, battle through 10 waves of shooting rage, unlock 12 trophies and beat the highscore
  • Tyrian TD - Chapter 2 game Tyrian TD - Chapter 2 Rated 1/5 based on 1 user ratings After the successful defeat of the first wave of creeps, the advantage is now on your side. The remains of the enemy fleet, on their way to re-group,...
  • Gravity Wars game Gravity Wars Gravity Wars is a turn based Puzzle/Combat game where you must use the force of gravity to bend your missiles toward your target. There are 50 levels...
  • Robot Run game Robot Run Guide "Robby the Robot" down the corrirors, jumping the gas tanks, ducking the plasma clouds and avoiding the buzzsaws in this action arcade game. Col...
  • Avatar movie Puzzle Game Avatar movie Puzzle Game Rated 3/5 based on 2 user ratings Online puzzle game from the new Sci-Fi movie Avatar from director James Cameron! The game consists of three posters for the film. Enjoy!
  • Future War Jigsaw game Future War Jigsaw Rated 5/5 based on 1 user ratings 25 Piece Jigsaw of a amazing Future War scene. Try to complete the puzzle as quickly as you can with or without the background picture to help.
  • Asteroid Interceptor game Asteroid Interceptor Pilot your Interceptor spaceship to protect the Earth from asteroids heading its' way and neutralize any hostile threats.
  • Space Runner game Space Runner Space alien invasion game!
  • Little Stars for Little Wars game Little Stars for Little Wars A strategy game. Capture, fight, defend, domination... sitting at the "special military terminal". The aim of the game is to capture all star systems...
  • Mini Cave Defense game Mini Cave Defense Protect the human base from waves of hungry, pissed-off monsters.
  • Sagittarius: 2172 game Sagittarius: 2172 Sagittarius: 2172 is a real-time puzzle/space strategy game. Instead of using classic color tetris rules, «Sagittarius: 2172» revolves around a spaces...
  • Last Xenos III game Last Xenos III Rated 3/5 based on 2 user ratings Last Xenos III : Revolutions The long awaited sequel to Last Xenos II : Reel’s Revenge is now available ! Intense space fights and careful squad manag...
  • Asteroid Run game Asteroid Run Asteroid Run is an arcade game. You participated in a space battle, but unfortunatelly your army lost. Now you must escape. Gain enough speed to use a...
  • Planetary Pile-up game Planetary Pile-up A galactic scale puzzle game. Match the same coloured planets together to destroy them as you try to keep from getting crushed.
  • Inverse Invaders game Inverse Invaders Rated 1/5 based on 1 user ratings Inverse Invaders is a modern remake of the classic Space Invaders arcade game. The catch here is that you are not in control of the Earth defender shi...
  • Galactic 123 The Mission game Galactic 123 The Mission Galactic 123: The Mission. The militaristic Terran Union controls a considerable region of space. A league of planets, however, have rebelled. In orde...
  • Mutant Zombie Meltdown game Mutant Zombie Meltdown Defend humanity against endless hordes of radioactive mutant zombies using nothing but molotov cocktails and hand-eye coordination. Hold your ground....
  • Earth Tower Defense game Earth Tower Defense An exciting tower defense featuring lots of enemies and 30 levels. It is simple, addicting, and CHALLENGING. Make Earth Tower Defense your next favori...
  • Battle Ships game Battle Ships Protect your planet from the aliens invaders. Collect points and become the hero of your nation.
  • Little Stars for Little Wars Players Pack game Little Stars for Little Wars Players Pack A strategy game. Capture, fight, defend, domination... sitting at the "special military terminal". The aim of the game is to capture all star systems...
  • Hyper Collider game Hyper Collider A retro sci-fi themed mouse avoider game. Dodge asteroids and perform difficult maneuvers for bonus points.
  • Robot Reaction game Robot Reaction Try to blow up as many robots as you can!
  • Penguin Racer game Penguin Racer Penguin slalom ski races start. The bear-trainer launches the penguin, rule using Left and Right arrow buttons, collect fish, evades firs and boxes....
  • Automaton 2015 game Automaton 2015 Rated 5/5 based on 1 user ratings A UFO has lands near Area 51, ready to attack America's most top-secret military compound... and to take back the flying saucer that crashed near Rosw...
  • Tower Core game Tower Core An ancient enemy is approaching earth, as the care taker of the planet it is up to you to activate the defences! Your mission send you to a far away w...
  • Fuel Station 612 game Fuel Station 612 Fly your ship to score points. Pick up fuel to prolong your flight and land safely to win. Warning! If your ship crashes, you lose all points!
  • Alien Fly Hunter game Alien Fly Hunter Shoot as many flies as you can.
  • Millennia Space Adventure game Millennia Space Adventure Millennia Galactic - In this game, control up to 4 characters in a space adventure, as they seek survival and ultimately a new future. Move with arrow...
  • Planet Defense G10 game Planet Defense G10 Planet Defense is a tower defense style game that requires offensive tactics to win. You control a small ship that can build towers and capture bases....
  • MindLab game MindLab Rated 5/5 based on 1 user ratings Advance through dozens of challenges as a mouse test subject implanted with telekinetic abilities. Use your powers to mind control, electrify, or move...
  • Story Tales game Story Tales Find hidden objects across 4 beautifully crafted floating islands in this eerie feeling game. Unlock mysteries and discover missing puzzle pieces whil...
  • Corporate Wars The Second Wind game 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...
  • Fleet Defender game Fleet Defender This is an old school Galaxian style shooter with a twist. Your goal, instead of just looking out for yourself, is to protect the 3 transport ships th...
  • Defensor game Defensor The enemy missiles are atacking your six cities. Your only defense is dropping some bombs to kills them. The ship defines where the bomb will explode...
  • Star Squadrons game Star Squadrons This is a space real-time strategy game that combines epic space battles and development on planets. You take on the role of a young commander Aldrin,...
  • Cat Astro Phi game Cat Astro Phi An unfortunate accident leaves your pet cat stranded. Explore and battle your way through three hostile alien planets. Each with their own puzzles, tr...
  • The Pixel Pirate game The Pixel Pirate Rated 5/5 based on 1 user ratings An exciting 2D RTS-lite game set in space featuring cute, pixelated graphics and retro sounds. Become the ultimate space pirate as you attempt to take...
  • Sci-fi -1 game Sci-fi -1 Sci-fi coloring page game
  • Asteroids Reinvented game Asteroids Reinvented Rated 5/5 based on 1 user ratings A new competitive fun & stylish remake of the old game Asteroids. Upgrading system, levels & easier steering is what Asteroids Reinvented stands for!...
  • Somewhere in space game Somewhere in space A space shooter game, defeat all enemies and complete all 10 levels. Buy upgrades at the end of each level. A cool space shooter with a lot of action....
  • Hexagon Planet TD game Hexagon Planet TD Year 2222. People invented a portal - the technology making the movement of objects at any distance available through the use of the so-called mole ho...
  • Subject C13 game Subject C13 Defend your energy cores during 15 stages against hordes of erupted lab subjects. Your arsenal consists of 4 attack turrets and 4 support towers. Ther...
  • Treasure of the Abandoned City game Treasure of the Abandoned City This top-down action-adventure game follows a Space Pirate captain in his quest for Laserbeard's Treasures. This journey takes him to the gates of an...
  • Prizma Puzzle Challenges game 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....
  • The Last Shelter game The Last Shelter Rated 5/5 based on 4 user ratings Instructions: Use mouse to play Hotkeys: 1 or 7 – build Rapid-fire Minigun 2 or 8 – build Heavy Weapon 3 or 9 – build Rocket Launcher 4 or 0 – build E...

1 2 3 4

Most liked games

addictive games486addictive games aliens games368aliens games combat games179combat games defender games216defender games earth games193earth games fi games168fi games fiction games54fiction games future games138future games futuristic44futuristic galaxy games144galaxy games invaders games220invaders games planet games283planet games planets games102planets games real games175real games robot games445robot games science games118science games scifi games75scifi games spaceship games323spaceship games story games359story games wars games273wars games