This is a liberated game: it was originally sold as shareware, but in February 1996 author Greg Taylor released the registered version as a free download.
Also known as Chain Reaction
Puzzle, 1995Shareware
Puzzle, 1994Shareware
Puzzle, 1986Freeware
Puzzle, 1991Freeware (installed), Freeware
Puzzle, 1992Shareware, Shareware
Also known as TIM
Puzzle, 1993Playable demo
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1996Shareware (installed), Shareware
Also known as Crusher Castle 2
Puzzle, 1993Shareware