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.

Alien 8 screenshot
Alien 8

Clone of Alien 8

Platforms:WindowsLinuxOSX
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
Aliens Vs Predator source update

Clone of Aliens Versus Predator

Platforms:Windows
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
Alienwave screenshot
Alienwave

Clone of Xenon

Platforms:Linux
LicenseGPL2*
Genre: Shooter
Theme: Sci-Fi
No preview
Ard-Reil

Clone of Anacreon: Reconstruction 4021

Platforms:None
LicenseGPL2*
Genre: Turn-Based Strategy
Theme: Sci-Fi
No preview
Arena 3D

Clone of Unreal Tournament

Platforms:TI calculator
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
Arrakis screenshot
Arrakis

Clone of Dune 2

Platforms:DOS
LicenseUnknown
Genre: Real-Time Strategy
Theme: Sci-Fi
No preview
Atari Jaguar Source Code Collection

Clone of Alien vs Predator

Platforms:Jaguar
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
No preview
Avara

Clone of Avara

Platforms:Classic Mac OS
LicenseMIT*
Genre: FPS
Theme: Post-Apocalyptic
Battlezone Disassembly screenshot
Battlezone Disassembly

Clone of Battlezone

Platforms:Arcade
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
Blake4SDL screenshot
Blake4SDL

Clone of Blake Stone: Planet Strike

Platforms:WindowsLinux
LicenseGPL2*
Genre: FPS
Theme: Sci-Fi
No preview
Buck Rogers: Planet of Zoom source code for Atari computers

Clone of Buck Rogers: Planet of Zoom

Platforms:Atari
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
No preview
Cosmic Kidnap

Clone of Cosmic Kidnap

Platforms:Linux
LicenseUnknown
Genre: Action
Theme: Sci-Fi
Cylindrix screenshot
Cylindrix

Clone of Cylindrix

Platforms:DOS
LicenseLGPL2*
Genre: Shooter
Theme: Sci-Fi
D2X-XL screenshot
D2X-XL

Clone of Descent

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: FPS
Theme: Sci-Fi
Daleks screenshot
Daleks

Clone of Daleks

Platforms:HP calculator
LicenseUnknown
Genre: Turn-Based Strategy
Theme: Sci-Fi
Defendguin screenshot
Defendguin

Clone of Defender

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: Arcade
Theme: Sci-Fi
Devospace screenshot
Devospace

Clone of Mono Space

Platforms:Windows
LicenseUnknown
Genre: Shmup
Theme: Sci-Fi
Doom Legacy screenshot
Doom Legacy

Clone of Doom

Platforms:WindowsLinux
LicenseGPL2*
Genre: FPS
Theme: Sci-Fi
Doom89 screenshot
Doom89

Clone of Doom

Platforms:TI calculator
LicenseGPL3*
Genre: FPS
Theme: Sci-Fi
Dune Legacy screenshot
Dune Legacy

Clone of Dune 2

Platforms:WindowsLinuxOSX
LicenseGPL2*
Genre: Real-Time Strategy
Theme: Sci-Fi
Ecksdee screenshot
Ecksdee

Clone of Wipeout

Platforms:WindowsLinux
LicenseGPL2*
Genre: Racing
Theme: Sci-Fi
No preview
Elite : Harmless

Clone of Elite

Platforms:C64
LicenseCC-BY-NC-SA*
Genre: Action
Theme: Sci-Fi
Elite Disassembly screenshot
Elite Disassembly

Clone of Elite

Platforms:Apple II
LicenseUnknown
Genre: Action
Theme: Sci-Fi
Elite remake screenshot
Elite remake

Clone of Elite

Platforms:WindowsLinux
LicenseUnknown
Genre: Action
Theme: Sci-Fi
Epoch Disassembly screenshot
Epoch Disassembly

Clone of Epoch

Platforms:Apple II
LicenseUnknown
Genre: Simulation
Theme: Sci-Fi
No preview
Exile (Enhanced version) disassembly

Clone of Exile

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

Clone of Firetrack

Platforms:BBC Micro
LicenseUnknown
Genre: Shmup
Theme: Sci-Fi
No preview
Free Fall

Clone of Free Fall

Platforms:BBC Micro
LicenseUnknown
Genre: Action
Theme: Sci-Fi
Frontier 1337 screenshot
Frontier 1337

Clone of Elite II

Platforms:PSP
LicenseUnknown
Genre: Action
Theme: Sci-Fi
No preview
Hover Strike

Clone of Hover Strike

Platforms:Jaguar
LicenseUnknown
Genre: Shooter
Theme: Sci-Fi
No preview
ICBM3D

Clone of Missile Command

Platforms:BeOS
LicenseGPL2*
Genre: Arcade
Theme: Sci-Fi
In Pursuit of Greed screenshot
In Pursuit of Greed

Clone of In Pursuit of Greed

Platforms:WindowsDOS
LicenseUnknown
Genre: FPS
Theme: Sci-Fi
No preview
Intruders for Linux

Clone of Intruders

Platforms:Linux
LicenseGPL2*
Genre: Action
Theme: Sci-Fi
No preview
IronSeedSharp

Clone of Ironseed

Platforms:Windows
LicenseGPL3*
Genre: Simulation
Theme: Sci-Fi
Jake2 screenshot
Jake2

Clone of Quake 2

Platforms:None
LicenseGPL2*
Genre: FPS
Theme: Sci-Fi
No preview
JediAcademyLinux

Clone of Star Wars Jedi Knight: Jedi Academy

Platforms:Linux
LicenseGPL2*
Genre: Fighting
Theme: Fantasy
No preview
JediOutcastLinux

Clone of Star Wars Jedi Knight II: Jedi Outcast

Platforms:Linux
LicenseGPL2*
Genre: Fighting
Theme: Fantasy
Jump & Roll screenshot
Jump & Roll

Clone of SkyRoads

Platforms:Windows
LicenseGPL2*
Genre: Platform
Theme: Sci-Fi
K8Vavoom screenshot
K8Vavoom

Clone of Doom

Platforms:WindowsLinux
LicenseGPL3*
Genre: FPS
Theme: Sci-Fi

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