The default controls for player one are: Right Ctrl and Right Alt to rotate the current block, Right Shift to drop it.
Puzzle, 1992Shareware, Shareware
Puzzle, 1996Shareware (installed), Shareware
Puzzle, 1995Shareware
Puzzle, 1994Shareware
Also known as BOB
Puzzle, 1995Full version
Puzzle, 1992Shareware
Puzzle, 1993Shareware
Also known as Crusher Castle 2
Puzzle, 1991Shareware
Puzzle, 1993Playable demo