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Free sci-fi game downloads by genre
Here you can find and download for free the best sci-fi games, such as Global Defense Network, Darkside, Toy Defense: Sci-Fi, Snack to the Future, Greed: The Mad Scientist, and more.
Order the games by:
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Global Defense Network (Arcade games)
January 26, 2005
A combination of a fast paced shooter and rhythm action game superbly synchronized in a Sci-Fi plot.
January 26, 2005
A combination of a fast paced shooter and rhythm action game superbly synchronized in a Sci-Fi plot.
Darkside (Arcade games)
December 26, 2007
The Krainian Empire has invaded our outer territories! Hop into your ArkLight X-52 and take the fight back to the enemy, one battle at a time!
December 26, 2007
The Krainian Empire has invaded our outer territories! Hop into your ArkLight X-52 and take the fight back to the enemy, one battle at a time!
Sci-fi game 119 MB
Toy Defense: Sci-Fi (Arcade games)
February 10, 2015
Rally your army against the invading robots and experience the thrill of intergalactic warfare in this exciting new tower defense game! more…
February 10, 2015
Rally your army against the invading robots and experience the thrill of intergalactic warfare in this exciting new tower defense game! more…
Snack to the Future (Diner games) 
June 30, 2008
The Flo Through Time storyline concludes in this sky-high futuristic fun-fest! Meet new customers, dress up like it's Sci-Fi Con, and train a Flobot as you help Flo and Grandma Florence find their way back through time.
June 30, 2008
The Flo Through Time storyline concludes in this sky-high futuristic fun-fest! Meet new customers, dress up like it's Sci-Fi Con, and train a Flobot as you help Flo and Grandma Florence find their way back through time.
Sci-fi game 696 MB
Greed: The Mad Scientist (Hidden Objects games)
November 6, 2013
As Sara tries to find a miracle cure for her ailing brother, she unravels the dark events of her own past. more…
November 6, 2013
As Sara tries to find a miracle cure for her ailing brother, she unravels the dark events of her own past. more…
Sci-fi game 181 MB
Who Am I (Hidden Objects games)
January 15, 2014
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. more…
January 15, 2014
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. more…
Sci-fi game 937 MB
Esoterica: Hollow Earth (Mystery games)
January 8, 2014
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. more…
January 8, 2014
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. more…
Sci-fi game 149 MB
Stranded in Time (Mystery games)
February 17, 2015
Venture beyond time and space in this classic adventure game that will take you out of this world! more…
February 17, 2015
Venture beyond time and space in this classic adventure game that will take you out of this world! more…
Mr. Robot (Puzzle games)
July 11, 2007
Adventure through a massive 3D starship with platform-jumping puzzle-solving, sci-fi adventure, RPG style battle games and more!
July 11, 2007
Adventure through a massive 3D starship with platform-jumping puzzle-solving, sci-fi adventure, RPG style battle games and more!
Sci-fi game 149 MB
Cy-Clone (Shooting games)
November 30, -0001
In a sci-fi, high-flying Shooter game, you must use the enemy's own technology against them to save all of mankind. more…
November 30, -0001
In a sci-fi, high-flying Shooter game, you must use the enemy's own technology against them to save all of mankind. more…
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All sci-fi games are free to download, you can try and play all sci-fi games listed for free.