Game of the day:
Best sci-fi games for free download
Here you can find the best sci-fi games available for free download. You can download any sci-fi game and try it for free to decide whether you like it or not. Some games provide 60 minutes of gameplay, others can limit you with a 30 or 15 day trial period. Some of the sci-fi games are free at all. Choose any sci-fi game you like and try it!
Order sci-fi games by:
Lead a team of specialists as they unravel the darkest secrets of the first decades of human space exploration in this graphical text based thriller.
Lifeline is a playable, branching story of survival against all odds! Help Taylor make life or death decisions, and face the consequences together. Or see what happens when you make a different choice.
Venture beyond time and space in this classic adventure game that will take you out of this world!
Rally your army against the invading robots and experience the thrill of intergalactic warfare in this exciting new tower defense game!
Who am I is an immersive hidden object adventure of an epic scale! Take the role of an undercover agent investigating strange sci-fi incidents in the city.
The fabled land of Agartha awaits your discovery in Esoterica: Hollow Earth! Experience a sci-fi adventure that will take you to the depths of the Earth.
As Sara tries to find a miracle cure for her ailing brother, she unravels the dark events of her own past.
Coloring book software filled with 50 pages of airplanes and other things that fly. Published by Dataware.
Two human factions are at war, and Rick’s best friend and girlfriend have been captured in the turmoil! Can Rick save Vanessa and Yuki before it’s too late?
Help! Aliens! is our new 3D action adventure game for your PC, laptop, notepad or netbook set on an alien spaceship. You are a secret agent sent to rescue the President from the invaders. Your mission is simple: Kill them all!!!
Massive Assault Network is a 3D strategy game based on original Secret Allies concept, where two rival sides struggle for global domination in sci-fi environment. Lead your divisions, fleets and air squadrons to crush your enemies with no mercy!
The GDN is a combination of fast paced shooter and rhythm action game with an intriguing sci-fi plot spread evenly throughout.
Supernova combines chess with shoot'em up. Choose your side: the evil Red Legion or the mystic Blue Army? Every side has 10 unique ships, each ship has up to 3 different types of fire for a total of 26 different weapons!
The game is a kill'em all arcade shooter with skins support and screensaver features. In this game you will act as a defender of an "energium" quarry. Using a plasma gun and rocket launcher you should destroy as many planes of your enemy as possible.
From the window of the cockpit of your ship, you survey the planet as you fly swiftly between the buildings, around and over the mountains, and through the valleys destroying the enemy ships which have invaded your childhood home of Pangea. Armed wit
Massive Assault Network 2: a 3D strategy game based on an original Secret Allies concept. Rivals struggle for domination in a sci-fi environment. Are you smart enough? Lead your divisions, fleets and air squadrons to crush the enemies with no mercy!
Set in a futuristic sci-fi world you can play the classic mahjongg rules or one of many new variants including two
player competitive modes or Space Mahjongg.
DarkSide is a sci-fi based shoot'em'up in which you pilot your way around 100's of massive asteroids. Fly in and out of their dark sides as you battle a host of alien hostiles. Watch out for orbiting chunks of rock!
Control a space empire and its powerful fleet. Resources macro-management and detailed turnbased wargame battles put together to create one of the most detailed, yet fun to play, strategy sci-fi games.
In a sci-fi, high-flying Shooter game, you must use the enemy's own technology against them to save all of mankind.