: The game is primarily sold on Steam and GOG for a low price (often under $5).
: Historical "trial" or demo versions were once available on various software hosting sites, though many of these original links are now discontinued. Gameplay Features Alpha Prime - Keith's Crappy Videogame Blog alpha-prime-pc-game-free-download-full-version
: A full version of the game has been preserved on Internet Archive , which is sometimes used for historical research and preservation. : The game is primarily sold on Steam
While players often search for "free full versions," it is important to distinguish between official free versions and third-party mirrors: alpha-prime-pc-game-free-download-full-version