The shareware version includes the first 20 levels of the full game.
Also known as Chain Reaction
Puzzle, 1995Shareware
Puzzle, 1993Freeware
Puzzle, 1992Shareware, Shareware
Puzzle, 1991Shareware
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1994Shareware
Puzzle, 1996Shareware (installed), Shareware
Also known as BOB
Puzzle, 1995Full version
