Cloned Games

Free & Open Source Sci-Fi Games

489 free, open-source sci-fi games — real clones and remakes you can download, inspect the source of, and modify.

Kiloblaster screenshot
Kiloblaster

Clone of Kiloblaster

Platforms:DOS
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
Le Projet Doom screenshot
Le Projet Doom

Clone of Doom

Platforms:HP calculator
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
MacJJFFE screenshot
MacJJFFE

Clone of Elite III

Platforms:OSX
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
Metal Arms: Glitch in the System Source Code

Clone of Metal Arms: Glitch in the System

Platforms:XboxGameCube
LicenseUnknown
Genre: TPS
Theme: Sci-Fi
Missile Command Disassembly screenshot
Missile Command Disassembly

Clone of Missile Command

Platforms:Arcade
LicenseUnknown
Genre: Arcade
Theme: Sci-Fi
Missile10 screenshot
Missile10

Clone of Missile Command

Platforms:DOS
LicenseUnknown
Genre: Arcade
Theme: Sci-Fi
Moon Defense screenshot
Moon Defense

Clone of Planetary Defense

Platforms:Windows
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
No preview
NES Pesterminator Source Code

Clone of Pesterminator: The Western Exterminator

Platforms:NES
LicenseUnknown
Genre: Platform
Theme: Sci-Fi
New RAW screenshot
New RAW

Clone of Another World

Platforms:Linux
LicenseGPL2*
Genre: Adventure
Theme: Sci-Fi
Nighthawk screenshot
Nighthawk

Clone of Paradroid

Platforms:Linux
LicenseGPL2*
Genre: Shmup
Theme: Fantasy
No Gravity screenshot
No Gravity

Clone of Wing Commander series

Platforms:WindowsLinuxBeOS
LicenseGPL2*
Genre: Action
Theme: Sci-Fi
No preview
OpenJK

Clone of Star Wars Jedi Knight: Jedi Academy

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: Fighting
Theme: Fantasy
OpenJKDF2 screenshot
OpenJKDF2

Clone of Star Wars Jedi Knight: Dark Forces II

Platforms:WebWindowsLinux
LicenseUnknown
Genre: Fighting
Theme: Fantasy
OpenTrek screenshot
OpenTrek

Clone of Super Star Trek

Platforms:WindowsLinux
LicenseGPL2*
Genre: Simulation
Theme: Sci-Fi
No preview
OpenTyrian2000

Clone of Tyrian

Platforms:Windows
LicenseGPL2*
Genre: Shmup
Theme: Sci-Fi
Orbit-Hopper screenshot
Orbit-Hopper

Clone of SkyRoads

Platforms:WindowsLinux
LicenseGPL2*
Genre: Platform
Theme: Sci-Fi
No preview
Ordoor

Clone of Warhammer 40,000: Chaos Gate

Platforms:Linux
LicenseMIT*
Genre: Turn-Based Tactics
Theme: Sci-Fi
Penguin Command screenshot
Penguin Command

Clone of Missile Command

Platforms:Linux
LicenseGPL2*
Genre: Arcade
Theme: Sci-Fi
Privateer - Gemini Gold screenshot
Privateer - Gemini Gold

Clone of Wing Commander: Privateer

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: Action
Theme: Sci-Fi
Project: Random(SKY) screenshot
Project: Random(SKY)

Clone of Tyrian

Platforms:Windows
LicenseGPL3*
Genre: Shmup
Theme: Sci-Fi
Pylaga screenshot
Pylaga

Clone of Galaga

Platforms:Windows
LicenseGPL2*
Genre: Action
Theme: Sci-Fi
Rafkill screenshot
Rafkill

Clone of Tyrian

Platforms:Windows
LicenseLGPL2*
Genre: Shmup
Theme: Sci-Fi
No preview
Raid 2020 Source Code

Clone of Raid 2020

Platforms:NES
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
SkyRacer

Clone of SkyRoads

Platforms:TI calculator
LicenseUnknown
Genre: Platform
Theme: Sci-Fi
Space Glider screenshot
Space Glider

Clone of Starglider 2

Platforms:WindowsLinuxDOS
LicenseUnknown
Genre: Simulation
Theme: Sci-Fi
Space Opera screenshot
Space Opera

Clone of Galactic Civilizations

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: Turn-Based Strategy
Theme: Sci-Fi
No preview
Spacewar!

Clone of Spacewar!

Platforms:Web
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
Speedball 2

Clone of Speedball 2

Platforms:Windows
LicenseUnknown
Genre: Action
Theme: Sci-Fi
Star Castle 2600 screenshot
Star Castle 2600

Clone of Star Castle

Platforms:Atari
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
Star Fire II screenshot
Star Fire II

Clone of Star Fire

Platforms:Arcade
LicenseUnknown
Genre: shoot 'em up
Theme: Sci-Fi
No preview
Star Trek New Worlds Source Code

Clone of Star Trek: New Worlds

Platforms:Windows
LicenseUnknown
Genre: Real-Time Strategy
Theme: Sci-Fi
No preview
Star Trek Voyager : Elite Force Single Player Game Source

Clone of Star Trek: Voyager – Elite Force

Platforms:Windows
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
No preview
Star Wars: The Arcade Game Disassembly

Clone of Star Wars (1983 arcade game)

Platforms:Atari
LicenseUnknown
Genre: Arcade
Theme: Sci-Fi
No preview
Starquake disassembly

Clone of Starquake

Platforms:BBC Micro
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
Starship Command disassembly

Clone of Starship Command

Platforms:BBC Micro
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
Starship Commander Disassembly screenshot
Starship Commander Disassembly

Clone of Starship Commander

Platforms:Apple II
LicenseUnknown
Genre: Turn-Based Strategy
Theme: Sci-Fi
Stellar Conquest 3: Hostile Takeover screenshot
Stellar Conquest 3: Hostile Takeover

Clone of Stellar Conquest 3: Hostile Takeover

Platforms:DOS
LicenseUnknown
Genre: Strategy
Theme: Sci-Fi
The Planet of Death screenshot
The Planet of Death

Clone of Adventure A: Planet of Death

Platforms:TI calculator
LicenseUnknown
Genre: Adventure
Theme: Sci-Fi
The Rush screenshot
The Rush

Clone of Wipeout

Platforms:Windows
LicenseGPL2*
Genre: Racing
Theme: Sci-Fi

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