To install and play the Win3.1 versions on a Win64 host system, you'll need winevdm (please see the links section below).
Puzzle, 1992Shareware, Shareware
Puzzle, 1995Shareware
Puzzle, 1994Shareware
Also known as BOB
Puzzle, 1995Full version
Puzzle, 1993Shareware (installed), Shareware
Also known as Crusher Castle 2
Puzzle, 1993Shareware
Puzzle, 1991Shareware
Puzzle, 1993Playable demo
Puzzle, 1991Playable demo (installed), Playable demo, Playable demo