The default controls for player one are: Right Ctrl and Right Alt to rotate the current block, Right Shift to drop it.
Also known as Chain Reaction
Puzzle, 1995Shareware
Puzzle, 1993Freeware
Puzzle, 1992Shareware, Shareware
Puzzle, 1991Shareware
Puzzle, 1995Shareware (installed), Shareware
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1994Shareware
Puzzle, 1996Shareware (installed), Shareware
Also known as BOB
Puzzle, 1995Full version