Free Hard Science Fiction Audiobooks Download

Unabridged audiobook download for free in following below:

Outlaw Planet - M. R. Carey

Category: Sci-Fi 
Language: EnglishKeywords: Adventure  Hard Science Fiction  parallel universe  Space Opera 

Shared by:NGC300

M. R. Carey Outlaw Planet

Posted: 19 Nov 2025
Format: M4B / Bitrate: ?
File Size: 432.68 MBs

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Leif the Lucky [1-2] - Colin Alexander

Category: Adventure  Sci-Fi 
Language: EnglishKeywords: Hard Science Fiction  Space Opera 

Shared by:mangoa

Colin Alexander Leif the Lucky [1-2]

Posted: 15 Nov 2025
Format: M4B / Bitrate: Variable
File Size: 954.64 MBs

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Lost Starship 23 - The Lost Dimension - Vaughn Heppner

Category: Adults  Military  Misc. Non-fiction  Sci-Fi 
Language: EnglishKeywords: Adventure  Hard Science Fiction  Space Opera 

Shared by:Dallis24

Vaughn Heppner Lost Starship 23 - The Lost Dimension

Posted: 12 Nov 2025
Format: M4B / Bitrate: Variable
File Size: 472.66 MBs

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Contact: Echoes in the Dark - Joshua T. Calvert

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: First Contact  Hard Science Fiction  Robotics  Survival 

Shared by:mangoa

Echoes in the Dark

Posted: 31 Oct 2025
Format: M4B / Bitrate: ?
File Size: 543.95 MBs

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The Rift 03 (Trilogy) - Douglas E. Richards, Joshua T. Calvert

Category: Adults  Sci-Fi  Thriller 
Language: EnglishKeywords: First Contact  Hard Sci-Fi  Hard Science Fiction  Mystery  Suspense  Technothriller  Thriller 

Shared by:Dallis24

Douglas E. Richards, Joshua T. Calvert The Rift 03 (Trilogy)

Posted: 9 Oct 2025
Format: M4B / Bitrate: Variable
File Size: 371.46 MBs

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The Rift 02 - Douglas E. Richards, Joshua T. Calvert

Category: Adults  Sci-Fi  Thriller 
Language: EnglishKeywords: First Contact  Hard Science Fiction  Mystery  Suspense  Technothriller  Thriller 

Shared by:Dallis24

Douglas E. Richards, Joshua T. Calvert The Rift 02

Posted: 9 Oct 2025
Format: M4B / Bitrate: Variable
File Size: 298.37 MBs

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The Minotaur; First Contact - Peter Cawdron

Category: Adults  Sci-Fi 
Language: EnglishKeywords: First Contact  Hard Science Fiction  Space Exploration 

Shared by:Dallis24

Peter Cawdron The Minotaur; First Contact

Posted: 1 Sep 2025
Format: M4B / Bitrate: Variable
File Size: 608.31 MBs

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The Complete Battle for Mars Series - Dietmar Wehr

Category: Adults  Sci-Fi  Thriller 
Language: EnglishKeywords: Adventure  Cyberpunk  Hard Science Fiction  Interstellar  Mars  Science Fiction  Space Exploration 

Shared by:Dallis24

Dietmar Wehr The Complete Battle for Mars Series

Posted: 3 Aug 2025
Format: M4B / Bitrate: Variable
File Size: 573.11 MBs

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The Rift - Book 1 - Douglas E. Richards, Joshua T. Calvert

Category: Adults  Sci-Fi  Thriller 
Language: EnglishKeywords: First Contact  Hard Sci-Fi  Hard Science Fiction  Mystery  Technothriller  Thriller & Suspense 

Shared by:Dallis24

Douglas E. Richards, Joshua T. Calvert The Rift - Book 1

Posted: 17 Jul 2025
Format: M4B / Bitrate: Variable
File Size: 396.56 MBs

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