This is a liberated game: it was originally sold as shareware, but on 10 October 1997 author Tim Sweeney and Epic MegaGames made the complete registered version of ZZT free to download and play.
Also known as Indy IV, Indiana Jones IV, FoA
Adventure, 1992Playable demo
Also known as GTA
Adventure, 1997Playable demo (installed), Playable demo, Playable demo, Playable demo, Playable demo
Adventure, 1992Full version
Adventure, 1991Full version
Adventure, 1987Full version
Also known as Circle of Blood
Adventure, 1996Preview, Playable demo
Adventure, 1986Full version
Adventure, 1998Shareware (installed), Shareware
Adventure, 2000Freeware (installed), Freeware
Adventure, 1994Full version, Playable demo