This is a liberated game: originally it was sold as shareware, but in 2005 author Mike Voss released the full version as a free download.
Puzzle, 1994Shareware
Puzzle, 1991Freeware (installed), Freeware
Puzzle, 1992Shareware, Shareware
Also known as TIM
Puzzle, 1993Playable demo
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1996Shareware (installed), Shareware
Puzzle, 1992Shareware (installed), Shareware
Puzzle, 1986Freeware
Puzzle, 1993Freeware